62 comparisons · 13 categories

Biomarker comparisons, side by side.

See how related blood test values differ — what each measures, when each is ordered, and how to read them together. Looking for a single value? Browse the A–Z biomarker directory →

Complete Blood Count (CBC)

8 comparisons
Hgb vs Hct

Hemoglobin vs Hematocrit

Hemoglobin (Hgb) and Hematocrit (Hct) are two related lab values that appear on the complete blood count (CBC) panel. Hgb is listed as a concentration of oxygen-carrying protein, while Hct shows the fraction of blood volume made up by red blood cells. The main difference between Hgb and Hct is that Hgb measures amount in g/dL, while Hct is reported as a percentage and reflects packed cell volume.

Compare
Hgb vs RBC

Hemoglobin vs RBC Count

Hemoglobin (Hgb) and Red Blood Cell Count (RBC) are two CBC lab values that describe different parts of red blood composition. Both Hgb and RBC usually appear on the complete blood count (CBC) panel, and they are often reviewed together on the same lab report. The main difference between Hgb and RBC is that Hgb measures the oxygen-carrying protein amount, while RBC counts the number of red cells.

Compare
MCV vs MCH

MCV vs MCH

Mean Corpuscular Volume (MCV) and Mean Corpuscular Hemoglobin (MCH) are two CBC values that describe different parts of red blood cell composition. Both appear on the same complete blood count (CBC) panel and are often reviewed together on a lab report. MCV reflects red cell size, while MCH reflects the amount of hemoglobin in each cell, so the difference between MCV and MCH is about size versus content.

Compare
Neutrophils vs Lymphocytes

Neutrophils vs Lymphocytes

Neutrophils (Neutrophils) and Lymphocytes (Lymphocytes) are two white blood cell values commonly listed on the CBC panel. They appear on the same lab report and help describe how white blood cells are distributed across different cell groups. The main difference between Neutrophils and Lymphocytes is that Neutrophils usually make up the larger share of circulating white cells, while Lymphocytes represent a smaller but still important share.

Compare
WBC vs Neutrophils

WBC vs Neutrophils

White Blood Cell Count (WBC) and Neutrophils (Neutrophils) are two related values reported on the CBC panel. WBC shows the total number of white blood cells in a blood sample, while Neutrophils shows the share or count of one major white blood cell type. Together, WBC and Neutrophils on a lab report help describe the makeup of circulating immune cells. The main difference between WBC and Neutrophils is that WBC is a total count, while Neutrophils is a specific subset and may be reported as a percentage or an absolute count.

Compare
MCV vs RDW

MCV vs RDW

Mean Corpuscular Volume (MCV) and Red Cell Distribution Width (RDW) are two CBC values that describe different features of red blood cells on a lab report. Both usually appear on the same complete blood count (CBC) panel, where MCV shows average red cell size and RDW shows how varied those sizes are. The main difference between MCV and RDW is that one reflects typical cell size in femtoliters (fL), while the other reflects size spread as a percentage (%).

Compare
Reticulocytes vs Hgb

Reticulocytes vs Hemoglobin

Reticulocytes (Reticulocytes) and Hemoglobin (Hgb) are two CBC blood values that describe related parts of blood composition. Both commonly appear on the complete blood count (CBC) and can be viewed together on the same lab report. Reticulocytes show the share of newly released red cells, while Hgb shows the oxygen-carrying protein amount in the blood.

Compare
Lymphocytes vs Monocytes

Lymphocytes vs Monocytes

Lymphocytes (Lymphocytes) and Monocytes (Monocytes) are two white blood cell values reported on the CBC panel. Both appear on the same lab report and help describe how white blood cell composition is distributed. The main difference between Lymphocytes and Monocytes is that Lymphocytes track one white blood cell group tied to adaptive immune cells, while Monocytes track another group that helps with cleanup and cell turnover in blood and tissues.

Compare

Lipid Panel

9 comparisons
Total Cholesterol vs HDL

Total Cholesterol vs HDL

Total Cholesterol and HDL are two lipid-panel values that are often divided to give the cholesterol/HDL ratio — a single number that summarises how much of the total cholesterol is the protective HDL fraction. Total cholesterol is the sum of every cholesterol-carrying particle in the blood; HDL is the protective subset. The ratio sits alongside the raw values on most lab reports and is one of the more commonly referenced lipid-panel calculations.

Compare
Triglycerides vs HDL

Triglycerides vs HDL

Triglycerides (TG) and HDL Cholesterol (HDL) sit on the same lipid panel but describe completely different lipid biology. Triglycerides are the storage and transport form of dietary fat; HDL is the protective cholesterol fraction. Their ratio — TG divided by HDL — is one of the more interesting calculations on the lipid panel because it correlates with insulin resistance more closely than either value alone, especially in metabolic-health workups.

Compare
LDL vs HDL

LDL vs HDL

LDL Cholesterol (LDL) and HDL Cholesterol (HDL) are two lab values that often appear together on the same Lipid Panel report. Both describe related parts of blood fat transport and are commonly reviewed side by side in a lipid panel. The main difference between LDL and HDL is the direction of transport: LDL carries cholesterol outward, while HDL carries it back for recycling.

Compare
Total Cholesterol vs LDL

Total Cholesterol vs LDL

Total Cholesterol (Total Cholesterol) and LDL Cholesterol (LDL) are two related numbers often listed on the same lipid panel lab report. Total Cholesterol and LDL both describe parts of the blood’s fat-carrying picture, but they are not the same measurement. Total Cholesterol gives the broader count of cholesterol carried in blood, while LDL focuses on one specific cholesterol-carrying fraction that is usually tracked separately for comparison.

Compare
Triglycerides vs Total Cholesterol

Triglycerides vs Cholesterol

Triglycerides (Triglycerides) and Total Cholesterol (Total Cholesterol) are two related lab values that often appear on the same blood report and describe different parts of blood fat content. Both are commonly listed on the Lipid Panel, where they help organize information about circulating lipids in one place. Triglycerides reflects stored fat transport, while Total Cholesterol reflects the combined cholesterol amount across several lipoprotein fractions.

Compare
LDL vs ApoB

LDL vs ApoB

LDL Cholesterol (LDL) and Apolipoprotein B (ApoB) are two lab values that can appear on the same lipid panel and both describe related parts of blood fat transport. LDL is a concentration-based measure of cholesterol carried in LDL particles, while ApoB counts the main protein marker carried by atherogenic particles. Together, LDL and ApoB can show whether cholesterol load and particle number move in the same direction or not.

Compare
LDL vs Non-HDL Cholesterol

LDL vs Non-HDL Cholesterol

LDL Cholesterol (LDL) and Non-HDL Cholesterol (Non-HDL Cholesterol) are two related lab values that appear on the Lipid Panel and describe different parts of the cholesterol total. Both are commonly listed on the same lab report, where LDL focuses on one cholesterol fraction and Non-HDL Cholesterol groups several related fractions together. The key difference between LDL and Non-HDL Cholesterol is that LDL is a single measured fraction, while Non-HDL Cholesterol is a broader calculated value from the same blood test.

Compare
Lp(a) vs LDL

Lp(a) vs LDL

Lipoprotein(a) (Lp(a)) and LDL Cholesterol (LDL) are two lab values that can appear on the same Lipid Panel and both reflect blood lipid composition. On a lab report, Lp(a) is a specific particle measurement, while LDL estimates the amount of LDL cholesterol carried in the blood. The main difference between Lp(a) and LDL is that Lp(a) is usually reported as a direct particle concentration, while LDL is often reported as a cholesterol amount tied to LDL particles.

Compare
ApoB vs ApoA-1

ApoB vs ApoA-1

Apolipoprotein B (ApoB) and Apolipoprotein A-1 (ApoA-1) are two lab values that can appear on a lipid panel and describe different protein markers in blood. ApoB and ApoA-1 on a lab report help show how particles carrying blood fats are represented, using separate numbers rather than one shared value. The main difference between ApoB and ApoA-1 is that ApoB reflects the number of ApoB-containing particles, while ApoA-1 reflects the main structural protein in ApoA-containing particles.

Compare

Thyroid Panel

6 comparisons
TSH vs Free T4

TSH vs Free T4

Thyroid Stimulating Hormone (TSH) and Free Thyroxine (Free T4) are two lab values that often appear together on a thyroid panel. TSH and Free T4 on a lab report describe related parts of the same control system, but they measure different things. TSH reflects a messenger level in IU/L, while Free T4 reflects the unbound hormone level in ng/dL or pmol/L. Viewed together, the pair shows whether the numbers move in linked or opposite directions.

Compare
TSH vs Free T3

TSH vs Free T3

Thyroid Stimulating Hormone (TSH) and Free Triiodothyronine (Free T3) are two lab values that can appear on the same thyroid panel and reflect related parts of thyroid-related blood regulation. Both are often listed together on a lab report, where TSH shows a control signal and Free T3 shows the unbound hormone fraction. The main difference between TSH and Free T3 is that TSH is measured in IU/L and Free T3 is measured in pg/mL, so they describe different types of information even when ordered together.

Compare
Free T4 vs T4

Free T4 vs Total T4

Free Thyroxine (Free T4) and Total Thyroxine (T4) are two related lab values that can appear on a thyroid panel. Both numbers describe thyroxine in the blood, but they are not the same measurement. Free T4 shows the unbound portion, while T4 shows the total amount of thyroxine measured in the sample. That difference helps explain why Free T4 vs T4 can move differently on a lab report.

Compare
Free T4 vs Free T3

Free T4 vs Free T3

Free Thyroxine (Free T4) and Free Triiodothyronine (Free T3) are two related lab values reported on a thyroid panel. Both appear on the same lab report when the panel includes circulating thyroid hormone markers, and both help describe how much hormone is present in the blood in free, unbound form. The main difference between Free T4 and Free T3 is that Free T4 reflects a larger storage form, while Free T3 reflects the more active form.

Compare
TSH vs rT3

TSH vs Reverse T3

Thyroid Stimulating Hormone (TSH) and Reverse Triiodothyronine (rT3) are two lab values that can appear on a thyroid panel and describe different parts of thyroid-related blood chemistry. Both TSH and rT3 may be listed on the same lab report, depending on the test order and lab format. TSH reflects a pituitary signal measured in IU/L, while rT3 reflects an inactive thyroid hormone form often reported in ng/dL or nmol/L. The difference between TSH and rT3 is that one is a control signal and the other is a hormone metabolite.

Compare
Tg vs Anti-Tg

Thyroglobulin vs Anti-Tg

Thyroglobulin (Tg) and Anti-Thyroglobulin Antibodies (Anti-Tg) are two blood values that can appear on the same thyroid panel. Tg reflects the amount of thyroglobulin protein in circulation, while Anti-Tg reflects antibodies that bind to that protein. On a lab report, Tg is a protein concentration, and Anti-Tg is an antibody result reported in units tied to the assay. Seeing both together helps show whether the measured Tg value may be influenced by Anti-Tg.

Compare

Liver Function Panel

5 comparisons
ALT vs AST

ALT vs AST

Alanine Aminotransferase (ALT) and Aspartate Aminotransferase (AST) are two lab values that often appear together on a Liver Panel and reflect related parts of blood chemistry. On a lab report, ALT and AST are usually listed as numeric enzyme results in IU/L, making them easy to compare side by side. The main difference between ALT and AST is what each enzyme is linked to in the body and how often each one shifts in step with the other.

Compare
ALT vs GGT

ALT vs GGT

Alanine Aminotransferase (ALT) and Gamma-Glutamyl Transferase (GGT) are two lab values that can appear on the same liver panel and help describe different parts of the blood report. ALT usually reflects an enzyme linked to cell contents, while GGT reflects an enzyme tied to membrane activity and fluid handling. On a lab report, the main difference between ALT and GGT is what each number represents and the usual pattern in which they change together.

Compare
Total Bilirubin vs Direct Bilirubin

Total vs Direct Bilirubin

Total Bilirubin (Total Bilirubin) and Direct Bilirubin (Direct Bilirubin) are two related lab values that appear on a liver panel and help describe how bilirubin is distributed in blood. Both are often reported together on the same lab report, making it easier to compare the total amount with the bound fraction. The key difference is that Total Bilirubin reflects the full amount measured, while Direct Bilirubin reflects the water-soluble portion included within that total.

Compare
AST vs LDH

AST vs LDH

Aspartate Aminotransferase (AST) and Lactate Dehydrogenase (LDH) are two lab values that can appear on the same liver panel and both help describe related aspects of blood composition. On a lab report, AST and LDH may be reviewed together because they reflect different markers in the sample rather than the same measurement. AST is a marker tied to enzyme release from body cells, while LDH is a broader marker tied to how many cells are turning over or breaking down. The main difference between AST and LDH is that AST is more tissue-specific in what it represents, while LDH gives a wider view of overall cell activity.

Compare
ALP vs GGT

ALP vs GGT

Alkaline Phosphatase (ALP) and Gamma-Glutamyl Transferase (GGT) are two lab values that can appear on the same Liver Panel report. ALP reflects an enzyme linked to bone and bile-related tissue activity, while GGT reflects an enzyme tied to bile-related tissue activity and exposure to certain substances. Together, ALP and GGT help show different parts of the same overall pattern on a lab report. The main difference between ALP and GGT is that ALP is found more broadly in the body, while GGT is more specific to bile-related tissue activity.

Compare

Diabetes Panel

4 comparisons
HbA1c vs Fasting Glucose

HbA1c vs Fasting Glucose

Hemoglobin A1c (HbA1c) and Fasting Glucose (Fasting Glucose) are two related lab values that appear on the Diabetes panel and describe different aspects of blood sugar data over time. Both can be listed together on the same lab report, making it easier to compare a longer-term marker with a same-day snapshot. HbA1c shows a percentage tied to older red blood cell exposure, while Fasting Glucose shows the amount of glucose present after a fasting period.

Compare
Insulin vs C-Peptide

Insulin vs C-Peptide

Insulin (Insulin) and C-Peptide (C-Peptide) are two lab values that can appear on the same Diabetes panel and show related parts of blood chemistry. Both values help describe how the body is handling insulin production and release, but they do not measure the same thing. Insulin shows the hormone level itself, while C-Peptide shows a matching fragment released with it, which makes the difference between Insulin and C-Peptide important when reading Insulin and C-Peptide on a lab report.

Compare
Insulin vs HbA1c

Insulin vs HbA1c

Insulin (Insulin) and Hemoglobin A1c (HbA1c) are two lab values that can appear on the Diabetes panel and reflect different parts of blood-related data. Insulin shows the amount of circulating hormone at the moment of the draw, while HbA1c shows the percentage of hemoglobin with attached glucose over time. Together, Insulin vs HbA1c gives a snapshot of short-term hormone level and longer-term glucose exposure on a lab report.

Compare
HbA1c vs eAG

HbA1c vs eAG

Hemoglobin A1c (HbA1c) and Estimated Average Glucose (eAG) are two related lab values that can appear on the same diabetes panel and describe connected parts of glucose-related blood data. Both may be reported together on a lab report, with HbA1c shown as a percentage and eAG shown as a glucose estimate in mg/dL or mmol/L. The main difference between HbA1c and eAG is that HbA1c is the measured lab value, while eAG is the converted average-glucose number derived from it.

Compare

Other

5 comparisons
HbA1c vs Glucose

HbA1c vs Glucose

Hemoglobin A1c (HbA1c) and Glucose (Glucose) are two lab values that reflect different aspects of blood composition and may appear on the same lab report. HbA1c is commonly found on a Diabetes panel, while Glucose is often listed on a Metabolic Panel panel. HbA1c shows a longer-term pattern tied to red cell protein binding, while Glucose shows the amount of circulating sugar at the time of the sample.

Compare
Hgb vs Ferritin

Hemoglobin vs Ferritin

Hemoglobin (Hgb) and Ferritin (Ferritin) are two lab values that describe different parts of blood composition on a lab report. Hgb is commonly listed on the CBC panel, while Ferritin is commonly listed on the Iron Studies panel. The key difference between Hgb and Ferritin is that Hgb reflects the oxygen-carrying protein in red blood cells, while Ferritin reflects stored iron.

Compare
25-OH D vs PTH

Vitamin D vs PTH

Vitamin D (25-OH D) and Parathyroid Hormone (PTH) are two lab values that describe different parts of body chemistry on a blood report. 25-OH D usually appears on a Vitamins & Nutrients panel, while PTH appears on a Hormones panel, and both can be reviewed together when a lab report is organized by related markers. The main difference between 25-OH D and PTH is that 25-OH D reflects the circulating storage form of vitamin D, while PTH reflects a hormone signal that helps regulate mineral balance.

Compare
Ca vs PTH

Calcium vs PTH

Calcium (Ca) and Parathyroid Hormone (PTH) are two lab values that can appear on the same blood report and describe related parts of blood chemistry. Ca is commonly listed on a Metabolic Panel, while PTH is commonly listed on a Hormones panel. The main difference between Ca and PTH is that Ca reflects the amount of calcium in blood, while PTH reflects a hormone signal that helps control Ca levels.

Compare
Homocysteine vs Vitamin B12

Homocysteine vs Vitamin B12

Homocysteine (Homocysteine) and Vitamin B12 (Vitamin B12) are two lab values that describe different parts of blood chemistry. In this comparison, Homocysteine comes from the Cardiac panel and Vitamin B12 comes from the Vitamins & Nutrients panel, so they may appear on separate sections of a lab report. Homocysteine reflects an amino acid-related measurement, while Vitamin B12 reflects a nutrient level tied to intake and circulating supply. Together, they can show whether related blood markers are moving in matching or opposite directions.

Compare

Comprehensive Metabolic Panel (CMP)

7 comparisons
BUN vs Creatinine

BUN vs Creatinine

Blood Urea Nitrogen (BUN) and Creatinine (Creatinine) are two lab values that often appear on the same blood report and reflect different parts of blood composition. Both are commonly listed on the Metabolic Panel, including the Comprehensive Metabolic Panel and Basic Metabolic Panel. BUN reflects the nitrogen portion of urea, while Creatinine reflects a waste product linked to muscle turnover. The main difference between BUN and Creatinine is that BUN is more affected by protein breakdown and fluid concentration, while Creatinine is more tied to muscle-related production.

Compare
Creatinine vs eGFR

Creatinine vs eGFR

Creatinine (Creatinine) and Estimated Glomerular Filtration Rate (eGFR) are two related lab values that often appear on the same Metabolic Panel report. Both are part of the same blood test panel and are used together to show different sides of the same measurement context. Creatinine is a measured concentration, while eGFR is a calculated estimate based on Creatinine and other inputs, so the difference between Creatinine and eGFR is not just the unit but also how each number is produced and reported.

Compare
Albumin vs Globulin

Albumin vs Globulin

Albumin (Albumin) and Globulin (Globulin) are two lab values that appear on the same Metabolic Panel report and describe related parts of blood composition. On a lab report, Albumin is usually shown as a concentration, while Globulin is often shown as a calculated concentration or related protein fraction. The key difference between Albumin and Globulin is that Albumin reflects the main transport protein level, while Globulin represents a broader protein group tied to many other proteins in the sample.

Compare
Albumin vs Total Protein

Albumin vs Total Protein

Albumin (Albumin) and Total Protein (Total Protein) are two lab values that appear on the Metabolic Panel and help describe blood composition. Both are listed on the same lab report in many routine panels, including the Metabolic Panel. Albumin is one protein fraction, while Total Protein combines Albumin with other proteins, so the two numbers often move together but do not mean the same thing.

Compare
Na vs K

Sodium vs Potassium

Sodium (Na) and Potassium (K) are two lab values that can appear on the same metabolic panel and show different aspects of blood composition. They are often reviewed together on a metabolic panel or related lab report because both are measured in mmol/L and help describe how dissolved salts are distributed in blood. Na mainly reflects the amount of sodium in the sample, while K reflects potassium, so the difference between Na and K is in both the element measured and the balance each number represents.

Compare
Na vs Cl

Sodium vs Chloride

Sodium (Na) and Chloride (Cl) are two lab values that often appear together on a metabolic panel and reflect parts of blood composition. They are commonly reported on the same lab report, where Na shows the main sodium concentration and Cl shows the main chloride concentration. The key difference between Na and Cl is that Na tracks the balance of the main positive charge in blood fluid, while Cl tracks the main negative charge partner.

Compare
Ca vs P

Calcium vs Phosphorus

Calcium (Ca) and Phosphorus (P) are two lab values that can appear on the same blood chemistry report and together reflect related parts of blood composition. Both are commonly listed on the Metabolic Panel, where Ca and P can be reviewed side by side on a lab report. The key difference between Ca and P is that Ca represents calcium concentration, while P represents phosphate content, so the two numbers help show different parts of the same mineral balance.

Compare

Iron Studies

5 comparisons
Ferritin vs Fe

Ferritin vs Iron

Ferritin (Ferritin) and Iron (Fe) are two related lab values that appear on the Iron Studies panel and describe different parts of blood composition. Both can be listed on the same lab report, even though Ferritin reflects stored iron and Fe reflects circulating iron at that moment. The main difference between Ferritin and Fe is that Ferritin tracks iron storage, while Fe shows the amount of iron moving in the blood sample.

Compare
Fe vs TIBC

Iron vs TIBC

Iron (Fe) and Total Iron-Binding Capacity (TIBC) are two related lab values on the Iron Studies panel that describe different parts of blood iron handling. Both Fe and TIBC can appear together on the same lab report and are often reviewed as a pair for a clearer view of iron movement in blood. The key difference is that Fe reflects circulating iron, while TIBC reflects the blood’s binding capacity for that iron.

Compare
Ferritin vs Transferrin

Ferritin vs Transferrin

Ferritin (Ferritin) and Transferrin (Transferrin) are two iron-related lab values that appear on the Iron Studies panel and help describe how iron is stored and transported in blood. On a lab report, Ferritin and Transferrin are often read together because they reflect related but different parts of iron handling. The main difference is that Ferritin reflects stored iron, while Transferrin reflects the transport protein that carries iron through the bloodstream.

Compare
Transferrin vs TIBC

Transferrin vs TIBC

Transferrin (Transferrin) and Total Iron-Binding Capacity (TIBC) are two related lab values that describe how iron-carrying protein is present in blood. Both often appear on the Iron Studies panel or lab report. Transferrin reflects the measured amount of the transport protein, while TIBC reflects how much iron the blood can bind in total, so the two numbers often move in similar directions.

Compare
TSAT vs Ferritin

Iron Saturation vs Ferritin

Iron Saturation (TSAT) and Ferritin are two lab values that appear on the Iron Studies panel and describe related parts of blood composition. TSAT is often listed alongside Ferritin on the same lab report, which makes TSAT vs Ferritin a common comparison. The key difference between TSAT and Ferritin is that TSAT reflects how much iron is circulating on transport proteins, while Ferritin reflects stored iron in the body.

Compare

Hormone Panel

6 comparisons
Testosterone vs Free Testosterone

Total vs Free Testosterone

Testosterone (Testosterone) and Free Testosterone (Free Testosterone) are two related lab values that can appear on the Hormones panel and describe different parts of the same hormone signal in blood. Testosterone usually reflects the total amount present, while Free Testosterone shows the unbound portion available in circulation. Together, Testosterone and Free Testosterone help show whether the total amount and the available fraction move in the same direction or differ.

Compare
LH vs FSH

LH vs FSH

Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH) are two lab values that may appear on the same Hormones panel. Both are reported in IU/L and help show how the body is signaling through related hormone messages in blood. LH vs FSH is mainly a comparison of two separate signals: LH reflects one hormone message, while FSH reflects another, so the difference between LH and FSH is in what each one represents on the report.

Compare
Testosterone vs SHBG

Testosterone vs SHBG

Testosterone (Testosterone) and Sex Hormone Binding Globulin (SHBG) are two related lab values that can appear on a Hormones panel. Testosterone reports the amount of a circulating hormone, while SHBG reports a binding protein that carries hormones in blood. Together, Testosterone vs SHBG helps show the difference between a hormone amount and the protein that changes how much of it is bound versus free.

Compare
E2 vs Progesterone

Estradiol vs Progesterone

Estradiol (E2) and Progesterone (Progesterone) are two hormone lab values that can appear on the same Hormones panel and help describe related parts of blood chemistry. Both E2 and Progesterone on a lab report are measured as separate numbers, so they can be compared side by side. The key difference is that E2 reflects estradiol concentration, while Progesterone reflects progesterone concentration.

Compare
Cortisol vs ACTH

Cortisol vs ACTH

Cortisol (Cortisol) and Adrenocorticotropic Hormone (ACTH) are two blood values that appear on the Hormones panel and help describe related parts of hormone signaling. Both can be listed on the same lab report, where Cortisol shows the amount of cortisol in blood and ACTH shows the amount of ACTH in blood. The main difference between Cortisol and ACTH is that Cortisol reflects the output signal, while ACTH reflects the upstream signal that helps drive it.

Compare
LH vs Testosterone

LH vs Testosterone

Luteinizing Hormone (LH) and Testosterone (Testosterone) are two lab values that can appear on the Hormones panel and reflect related parts of blood chemistry. When LH and Testosterone are reviewed on a lab report together, they help show how one signaling value and one sex-hormone value relate. The main difference between LH and Testosterone is that LH is a hormone signal from the pituitary axis, while Testosterone is the measured sex hormone level in blood.

Compare

Have a lab report in front of you?

Upload your blood test and see every value explained side by side — with your own numbers in context.

Get Started