Every Biomarker We Test, Explained in Plain Language

Step 1 · Learn

What is a biomarker?

A biomarker is a measurable signal in your blood, like ferritin, vitamin D or cholesterol, that shows how your body is actually working. Search the full library below, or open any one to learn what it means and what your result is telling you.

Spot deficienciesLow iron, vitamin D or B12, often before you feel a thing.

Catch risk earlyHeart, metabolic and organ markers move before symptoms do.

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Step 2 · Find

Search the full library.

By name, symptom or lab code. Every result opens a plain-language explainer of what it measures and what your result means.

Try:vitamin D fatigue cholesterol thyroid testosterone

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These markers are tested together in the panel→

Showing all biomarkers

Holotranscobalamin (HoloTC)

holotranscobalamin, HoloTC, active B12, active vitamin B12

HOLOTC

fatigue, tingling, numbness, poor memory, pale skin, weakness

HOMA-Beta

HOMA-B, HOMA-%B, beta-cell function index

HOMAB

excessive thirst, tiredness, frequent urination

HOMA-IR

HOMA index, homeostatic model assessment of insulin resistance

HOMAIR

tiredness, weight gain around the middle, sugar cravings

Homocitrulline

Hcit, N6-carbamoyllysine

HCIT

vomiting, lethargy, confusion from high ammonia

Homocysteine (EDTA Plasma)

Homocysteine EDTA plasma, Total homocysteine, tHcy, Plasma homocysteine

HCYSP

Usually none, may relate to fatigue or symptoms of B12 or folate deficiency

Homocysteine (Serum)

Homocysteine, Total homocysteine, tHcy, Serum homocysteine

HCYS

Usually none, may relate to fatigue or symptoms of B12 or folate deficiency

hs-CRP / Albumin Ratio (CAR)

CAR, CRP-albumin ratio, hs-CRP/albumin ratio

CAR

fever, fatigue, unintended weight loss

hs-CRP / Ferritin Ratio

CRP/ferritin ratio, hs-CRP to ferritin ratio

CRPFER

fever, fatigue

hs-CRP / HDL Ratio

CRP/HDL ratio, hs-CRP to HDL ratio

CRPHDL

often none

Human Chorionic Gonadotropin (hCG)

hCG, human chorionic gonadotropin, total hCG, pregnancy hormone

HCG

missed period, nausea, pelvic pain, abdominal swelling

Hydroxylysine

Hyl, hydroxylysine

HYL

usually no specific symptoms, related to collagen and connective tissue

Hydroxyproline

Hyp, 4-hydroxyproline

HYP

usually no specific symptoms, marker of bone collagen turnover

IGF-1, SD

IGF-1 SDS, IGF-1 standard deviation score, IGF-1 z-score, somatomedin C SDS

IGF1SD

fatigue, changes in body composition, in extremes coarse features or short stature

Immature Granulocytes

IG, IG#, immature granulocyte count, immature neutrophils

fever, chills, feeling unwell, signs of infection

Immature Granulocytes %

IG%, immature granulocyte percentage, IG percent

IGPCT

fever, chills, feeling unwell, signs of infection

Indirect-to-Direct Bilirubin Ratio (I/D)

I/D bilirubin ratio, unconjugated to conjugated bilirubin ratio

IDBIL

yellowing of skin or eyes, dark urine, pale stools, fatigue

Insulin

Fasting insulin, serum insulin

INS

weight gain around the middle, fatigue after meals, sugar cravings, often none

Insulin-Like Growth Factor 1 (IGF-1)

IGF-1, somatomedin C, IGF-I

IGF1

changes in hand or foot size, coarse features, fatigue, often none

Iodine

iodine, iodide, urinary iodine

IODINE

tiredness, weight changes, neck swelling, feeling cold, often no symptoms

Iron

Fe, serum iron, eisen

fatigue, weakness, pale skin, shortness of breath, hair loss

Iron / Ferritin Ratio

serum iron to ferritin ratio

IRNFER

fatigue, paleness, breathlessness

Iron / Transferrin Ratio

serum iron to transferrin ratio

IRNTRF

fatigue, paleness, breathlessness, joint aches

Isoleucine

Ile, I

ILE

poor feeding, vomiting, lethargy, sweet smelling urine

LDL Cholesterol

LDL-C, low-density lipoprotein cholesterol, bad cholesterol

LDL

usually none until heart disease develops

LDL Cholesterol / Apolipoprotein B Ratio

LDL-C/ApoB ratio, LDL cholesterol to ApoB ratio

LDLAPOB

often none

LDL Cholesterol (Electrophoresis)

Low-density lipoprotein cholesterol, bad cholesterol, LDL-C electrophoresis, beta lipoprotein

LDLE

Usually no symptoms, chest pain or leg pain with advanced artery disease, fatty skin deposits (xanthomas) when very high

LDL/HDL Ratio

LDL/HDL ratio, LDL-C to HDL-C ratio

LDLHDL

often none

LDL/HDL Ratio (Electrophoresis)

LDL to HDL ratio, LDL:HDL ratio electrophoresis, cholesterol ratio

LHRE

Usually no symptoms, chest pain or leg pain with advanced artery disease, fatty skin deposits (xanthomas) when cholesterol is very high

Leucine

Leu, L

LEU

poor feeding, vomiting, lethargy, sweet smelling urine

Lipase

Lipase, Serum lipase, Triacylglycerol lipase

LIP

Severe upper abdominal pain, nausea, vomiting when raised

Lipase/Amylase Ratio

lipase amylase ratio, L/A ratio

LIPAMY

severe upper abdominal pain, nausea, vomiting

Lipoprotein (a)

Lp(a), Lipoprotein little a, Lp little a

LPA

Usually none until cardiovascular disease develops

Luteinizing Hormone (LH)

luteinizing hormone, LH, lutropin

irregular periods, absent periods, infertility, low libido, hot flushes, erectile difficulty

Lymphocytes

Absolute lymphocyte count, ALC, Lymphocyte count

LYMPH#

Fever, sore throat, swollen glands, fatigue, recurrent infections

Lymphocytes (%)

Lymphocyte percentage, Lymphocytes relative, LYMPH%

LYMPH%

Fever, sore throat, swollen glands, fatigue

Lysine

Lys, K

LYS

developmental delay, low muscle tone, seizures, vision problems

Magnesium

Mg, serum magnesium, magnesium

muscle cramps, fatigue, weakness, palpitations, tremor

Magnesium, extracellular

Serum magnesium, Mg, magnesium extracellular

muscle cramps, fatigue, palpitations, tremor, weakness

Mean Corpuscular Hemoglobin Concentration (MCHC)

Mean corpuscular haemoglobin concentration, Mean cell haemoglobin concentration, MCHC

MCHC

Fatigue, pallor, weakness

Mean Corpuscular Hemoglobin (MCH)

Mean corpuscular haemoglobin, Mean cell haemoglobin, MCH

MCH

Fatigue, pallor, breathlessness, weakness

Mean Corpuscular Volume (MCV)

Mean corpuscular volume, Mean cell volume, MCV

MCV

Fatigue, pallor, breathlessness, weakness

Mean Platelet Volume (MPV)

Mean platelet volume, MPV

MPV

Easy bruising, prolonged bleeding, tiny skin spots

Mentzer Index

Mentzer index, MCV/RBC ratio

MENTZ

fatigue, paleness, breathlessness

Methionine

Met, M

MET

developmental delay, vision problems, blood clots, skeletal changes

Monocyte / HDL Cholesterol Ratio (MHR)

MHR, monocyte to HDL ratio, monocyte HDL ratio

MHR

often none

Monocytes

Absolute monocyte count, AMC, Monocyte count

MONO#

Fatigue, recurrent infections, low-grade fever

Monocytes (%)

Monocyte percentage, Monocytes relative, MONO%

MONO%

Fatigue, low-grade fever, recurrent infections

Monocytes/Lymphocytes Ratio (MLR)

MLR, monocyte lymphocyte ratio, monocyte-to-lymphocyte ratio

MLR

often none

MTHFD1 (B-Vitamin)

Methylenetetrahydrofolate dehydrogenase 1, MTHFD1, G1958A, rs2236225

MTHFD1

No direct symptoms, gene variant linked to folate processing and studied for neural-tube-defect risk

MTHFR (Folate)

Methylenetetrahydrofolate reductase, MTHFR, C677T, A1298C, rs1801133, rs1801131

MTHFR

Fatigue, elevated homocysteine

MTR (B-Vitamin)

Methionine synthase, 5-methyltetrahydrofolate-homocysteine methyltransferase, MTR, A2756G, rs1805087

MTR

Fatigue, elevated homocysteine

MTRR (B-Vitamin)

Methionine synthase reductase, MTRR, A66G, rs1801394

MTRR

Fatigue, elevated homocysteine

Neuron-Specific Enolase (NSE)

NSE, neuron specific enolase, gamma-enolase, enolase 2

NSE

persistent cough, shortness of breath, fatigue, unexplained weight loss

Neutrophil/Lymphocyte Ratio (NLR)

NLR, neutrophil lymphocyte ratio, neutrophil-to-lymphocyte ratio

NLR

often none, may reflect fever or fatigue during illness

Neutrophils

Absolute neutrophil count, ANC, Neutrophil granulocytes, Segmented neutrophils

NEUT#

Fever, recurrent infections, fatigue, mouth ulcers, slow healing

Neutrophils %

Neutrophil percentage, Neutrophils relative, NEUT%, Segmented neutrophils percent

NEUT%

Fever, recurrent infections, fatigue, slow healing

Neutrophils / HDL Ratio (NHR)

NHR, neutrophil HDL ratio, neutrophil to HDL cholesterol ratio

NHR

often none

Non-HDL Cholesterol

Non-HDL cholesterol, Non-HDL-C, Atherogenic cholesterol

NONHDL

Usually none until cardiovascular disease develops

Omega-3 ALA, % (RBC)

ALA, Alpha-linolenic acid, RBC ALA

ALARBC

Usually none

Omega-3 DHA, % (RBC)

DHA, Docosahexaenoic acid, RBC DHA

DHARBC

Usually none

Omega-3 EPA, % (RBC)

EPA, Eicosapentaenoic acid, RBC EPA

EPARBC

Usually none

Omega-3 Index, RBC

Omega-3 Index, EPA+DHA index, RBC omega-3 index

O3IDX

Usually none, low levels linked to dry skin or poor concentration in some people

O-Phosphoethanolamine

PEA, phosphoethanolamine, O-phosphorylethanolamine

PEA

bone pain, fractures, soft or poorly mineralised bones

O-Phosphoserine

phosphoserine, O-phospho-L-serine

PSER

usually no specific symptoms

Ornithine

Orn

ORN

vomiting, lethargy, confusion from high ammonia; gradual vision loss

Pancreatic Amylase

Pancreatic amylase, P-amylase, Amylase pancreatic isoenzyme

AMYP

Severe upper abdominal pain, nausea, vomiting when raised

Parathyroid Hormone (PTH)

PTH, intact PTH, parathyrin, parathormone

PTH

fatigue, bone pain, kidney stones, muscle weakness, excessive thirst

Parathyroid Hormone (PTH), Plasma

PTH, parathyrin, intact PTH, parathyroid hormone plasma

PTH

bone aches, kidney stones, tiredness, muscle cramps

PDW-SD

platelet distribution width SD, PDW

PDWSD

usually none, easy bruising if platelet problems present

Phenylalanine

Phe, F

PHE

developmental delay, learning difficulties, musty body odour, eczema, seizures

Phenylalanine/Tyrosine Ratio

Phe/Tyr ratio, phenylalanine tyrosine ratio

PHETYR

often none in adults, developmental concerns if untreated in infants

Plateletcrit (PCT)

PCT, plateletcrit, platelet mass

PCT

usually none, easy bruising or bleeding if platelets abnormal

Platelet large cell ratio (P-LCR), %

P-LCR, platelet large cell ratio

PLCR

usually none, easy bruising if platelets abnormal

Platelets

PLT, thrombocytes, platelet count, thrombozyten

PLT

easy bruising, prolonged bleeding, nosebleeds, fatigue

Platelets/Lymphocytes Ratio (PLR)

PLR, platelet lymphocyte ratio, platelet-to-lymphocyte ratio

PLR

often none

Potassium

K, K+, serum potassium, kalium

muscle weakness, cramps, fatigue, palpitations, irregular heartbeat

Potassium, extracellular

Serum potassium, K, kalium, potassium extracellular

muscle weakness, cramps, palpitations, fatigue, irregular heartbeat

Progesterone

P4, Pregn-4-ene-3,20-dione

PROG

irregular periods, trouble conceiving, spotting, short cycles

Prolactin

PRL, Lactotropin

PRL

missed periods, breast milk when not nursing, low libido, trouble conceiving, headaches, vision changes

Proline

Pro, P

PRO

usually no specific symptoms, sometimes seizures or developmental delay

Prostate-Specific Antigen Free/Total Ratio (PSA F/T Ratio)

free/total PSA ratio, percent free PSA, f/t PSA ratio, fPSA/tPSA

FTPSA

trouble urinating, weak stream, frequent urination at night, pelvic discomfort

Quantitative Insulin Sensitivity Check Index (QUICKI)

QUICKI, quantitative insulin sensitivity check index

QUICKI

tiredness, weight gain around the middle, sugar cravings

RDW-SD

red cell distribution width SD, RDW-SD

RDWSD

tiredness, paleness, shortness of breath

Red Blood Cell Distribution Width Index (RDWI)

RDWI, RDW index, red cell distribution width index

RDWI

fatigue, paleness, breathlessness

Red Blood Cells (RBC)

RBC, erythrocytes, red cell count, erythrozyten

RBC

fatigue, shortness of breath, pale skin, dizziness, headache

Red Cell Distribution Width (RDW)

Red cell distribution width, Erythrocyte distribution width, RDW-CV, RDW

RDW

Fatigue, pallor, breathlessness, weakness

Rheumatoid Factor, IgM

RF, rheumatoid factor IgM, RF IgM, rheumatoid factor

RFIGM

joint pain, joint swelling, morning stiffness, fatigue

Sarcosine

N-methylglycine

SARC

usually no specific symptoms

Selenium, extracellular

Serum selenium, Se, selenium extracellular

fatigue, hair loss, nail changes, weakened immunity

Serine

Ser, S

SER

seizures, small head size, developmental delay

Sex Hormone-Binding Globulin (SHBG)

SHBG, Sex steroid binding globulin, Testosterone-estrogen binding globulin

SHBG

low libido, acne, excess hair growth, fatigue, irregular periods

Sodium

Na, Na+, serum sodium, natrium

headache, confusion, fatigue, muscle cramps, nausea, excessive thirst

Sodium, extracellular

Serum sodium, Na, natrium, sodium extracellular

thirst, headache, confusion, fatigue, nausea

Sodium/Potassium Ratio

Na/K ratio, sodium potassium ratio

NAK

thirst, muscle weakness, palpitations, fatigue

sTfR

soluble transferrin receptor, sTfR, TfR

STFR

tiredness, paleness, shortness of breath, poor concentration

SULT1A1 (Detoxification & Hormone Processing)

Sulfotransferase 1A1, SULT1A1, SULT1A1*2, rs9282861

SULT1A1

No direct symptoms, gene variant affecting how the body processes hormones, medications and dietary compounds

Syphilis

syphilis serology, treponemal screen, lues test

SYPH

painless sore, rash, swollen glands, often no symptoms

Systemic Immune-Inflammation Index

SII, systemic immune-inflammation index

SII

often none

Taurine

Tau, 2-aminoethanesulfonic acid

TAU

usually no specific symptoms, sometimes linked to heart muscle or vision changes when very low

Testosterone

Total testosterone, serum testosterone

TESTO

low libido, fatigue, muscle loss, low mood, erectile difficulty, irregular periods, acne, unwanted hair growth

No biomarker matches that. Try a different name, a symptom like “fatigue”, or clear the search to browse them all.

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Every biomarker we measure, in plain language.

What is a biomarker?

Search the full library.

It all starts with an Aniva Membership