Lab Test Parameters
Normal ranges, causes of abnormalities and clinical significance of lab parameters.
In-depth articles about interpretation, symptoms and conditions are in Articles. For the complete list of lab tests that include each parameter, visit Tests.
EndocrinologyAMH (Anti-Müllerian Hormone): Normal Levels by Age and ReserveJune 27, 2026
RheumatologyASO (Antistreptolysin O): What an Elevated Result MeansJune 22, 2026
Infectious DiseasesHPV Test: How to Read It, Types 16 and 18, and a Positive ResultJune 22, 2026
Infectious DiseasesChlamydia (Chlamydia trachomatis): Reading IgG, IgA and PCRJune 22, 2026
Infectious DiseasesEpstein-Barr Virus (EBV): Reading VCA, EBNA, IgG and IgMJune 22, 2026
GastroenterologyHelicobacter pylori (H. pylori): Tests and What Positive MeansJune 22, 2026
Infectious DiseasesCytomegalovirus (CMV): Reading IgG, IgM and AvidityJune 22, 2026
EndocrinologySerotonin Blood Test: Normal Range, Deficiency and SymptomsApril 28, 2026
EndocrinologyProgesterone in Women: Normal Range by Cycle Day and Day 21April 28, 2026
EndocrinologyACTH Test: Normal Range, High and Low Levels, InterpretationApril 28, 2026
BiochemistryOmega-3 Index: Normal Range, Interpretation and How It's MeasuredApril 25, 2026
EndocrinologyIGF-1 (Somatomedin C): Normal Range by Age and Growth HormoneApril 25, 2026
EndocrinologyDHEA-S Blood Test: Normal Levels by Age, Interpretation and AgeingApril 25, 2026
BiochemistryApoB Blood Test: Normal Levels, Interpretation and Cardiovascular RiskApril 25, 2026
Infectious DiseasesHBsAg Blood Test: Meaning of Positive and Negative ResultsMarch 30, 2026
HematologyTIBC Blood Test: Normal Range, Low and High Levels ExplainedMarch 30, 2026
HematologySerum Iron Test: Normal Range, Low and High Levels ExplainedMarch 30, 2026
EndocrinologyAnti-TG Antibodies: Normal Levels and What Elevated Results MeanMarch 30, 2026
EndocrinologyAnti-TPO Antibodies: Normal Range and What Results MeanMarch 30, 2026
Infectious DiseasesHIV Combo Test: Window Period, Results and What They MeanMarch 30, 2026
Infectious DiseasesAnti-HCV Test: Hepatitis C Antibodies, Results and InterpretationMarch 30, 2026
ImmunologyAnti-CCP Antibodies: Normal Range, Results and Early ArthritisMarch 29, 2026
EndocrinologyCalcitonin Blood Test: Normal Levels, Results and Thyroid CancerMarch 29, 2026
HematologyFibrinogen Blood Test: Normal Levels, Results and CausesMarch 29, 2026
EndocrinologyC-Peptide Blood Test: Normal Levels, Results and DiabetesMarch 29, 2026
BiochemistryRheumatoid Factor (RF): Normal Range, Results and CausesMarch 29, 2026
ImmunologyAnti-dsDNA Antibodies: Normal Range, Results and LupusMarch 29, 2026
Laboratory DiagnosticsCA 19-9 Tumour Marker: Normal Levels, Causes and InterpretationMarch 28, 2026
Laboratory DiagnosticsAFP Tumour Marker: Normal Levels, Interpretation and Causes of RiseMarch 28, 2026
EndocrinologyAldosterone Blood Test: Normal Levels, High and Low ResultsMarch 28, 2026
Laboratory DiagnosticsCEA Tumour Marker: Normal Levels, Causes and InterpretationMarch 28, 2026
BiochemistryVitamin C Blood Test: Normal Levels, Deficiency and SymptomsMarch 28, 2026
BiochemistryZinc Blood Test: Normal Levels, Deficiency Symptoms and CausesMarch 28, 2026
EndocrinologyRenin Blood Test: Normal Levels, High and Low ResultsMarch 28, 2026
BiochemistryVitamin A Blood Test: Normal Levels, Deficiency and ToxicityMarch 28, 2026
Laboratory DiagnosticsCA-125 Tumour Marker: Normal Levels, Causes and InterpretationMarch 28, 2026
EndocrinologyhCG Blood Test: Normal Levels in Pregnancy by WeekMarch 27, 2026
BiochemistryBlood Selenium: Normal Levels, Deficiency and Test ResultsMarch 27, 2026
BiochemistryHomocysteine Blood Test: Normal Levels, Causes and ResultsMarch 27, 2026
BiochemistryTotal Blood Protein: Normal Levels, Interpretation and CausesMarch 27, 2026
UrologyPSA Blood Test: Normal Levels by Age, Results and CausesMarch 27, 2026
CardiologyBNP Blood Test: Normal Levels, Results and Heart FailureMarch 27, 2026
ImmunologyTotal IgE Blood Test: Normal Levels, High Results and CausesMarch 27, 2026
BiochemistryBlood Magnesium: Normal Levels and Causes of AbnormalityMarch 27, 2026
EndocrinologyFree T3 (Triiodothyronine): Normal Levels and Test InterpretationMarch 27, 2026
BiochemistryLDH Blood Test: Normal Levels, High Results and CausesMarch 27, 2026
BiochemistryBlood Urea (BUN): Normal Levels, Interpretation and CausesMarch 27, 2026
EndocrinologyFree T4 (Thyroxine): Normal Levels, Interpretation and CausesMarch 27, 2026
EndocrinologyFSH: Normal Levels in Women and Men, Causes of AbnormalitiesMarch 23, 2026
BiochemistryAST in Blood: Normal Levels, Causes of Elevation and InterpretationMarch 23, 2026
EndocrinologyInsulin in Blood: Normal Levels, HOMA-IR and Insulin ResistanceMarch 23, 2026
BiochemistryLipase in Blood: Normal Levels and Causes of ElevationMarch 23, 2026
BiochemistryFolate (Folic Acid): Normal Levels, Deficiency and Test InterpretationMarch 23, 2026
EndocrinologyLH: Normal Levels in Women and Men, Causes of AbnormalitiesMarch 23, 2026
BiochemistryAlkaline Phosphatase (ALP): Normal Ranges and InterpretationMarch 23, 2026
BiochemistryAmylase Blood Test: Normal Range, Causes and InterpretationMarch 23, 2026
BiochemistryALT in Blood: Normal Levels, Causes of Elevation and InterpretationMarch 23, 2026
EndocrinologyTestosterone: Normal Range for Men and Women, CausesMarch 22, 2026
BiochemistryUric Acid in Blood: Normal Levels, High Causes and GoutMarch 22, 2026
EndocrinologyVitamin D Blood Test: Normal Range, Deficiency and How to Correct ItMarch 22, 2026
HematologyBasophils in Blood: Normal Levels, High and Low CausesMarch 22, 2026
BiochemistryVitamin B12: Blood Levels, Deficiency Symptoms and CausesMarch 22, 2026
BiochemistryCalcium in Blood (Ca): Normal Levels, Causes of AbnormalitiesMarch 22, 2026
EndocrinologyBlood Glucose: Normal Range, Causes of High and Low LevelsMarch 21, 2026
HematologyLymphocytes in Blood: Normal Levels, Causes and SignificanceMarch 21, 2026
EndocrinologyTSH Thyroid-Stimulating Hormone: Normal Range and CausesMarch 21, 2026
BiochemistryBilirubin in Blood: Normal Levels, Causes and InterpretationMarch 21, 2026
BiochemistryPotassium in Blood: Normal Levels, Causes and TreatmentMarch 21, 2026
EndocrinologyProlactin: Normal Levels, Causes and Blood Test InterpretationMarch 21, 2026
HematologyMonocytes in Blood: Normal Range, High and Low Levels ExplainedMarch 21, 2026
BiochemistryPhosphorus in Blood: Normal Levels, Causes and TreatmentMarch 21, 2026
HematologyNeutrophils in Blood: Normal Levels, Causes and SignificanceMarch 21, 2026
EndocrinologyEstradiol: Normal Levels, Causes and Blood Test InterpretationMarch 21, 2026
HematologyHematocrit Blood Test: Normal Range, Causes of High and Low LevelsMarch 21, 2026
HematologyMCV Blood Test: Normal Range, Causes of Changes and Anaemia DiagnosisMarch 21, 2026
HematologyEosinophils: Normal Range, Causes of High and Low CountMarch 21, 2026
HematologyESR Blood Test: Normal Range by Age and Sex ExplainedMarch 21, 2026
HematologyPlatelets: Normal Count in Adults, Causes of Low and High ValuesMarch 21, 2026
BiochemistryTotal Cholesterol: Normal Levels, Causes and TreatmentMarch 21, 2026
BiochemistrySodium in Blood: Normal Levels, Causes and TreatmentMarch 21, 2026
BiochemistryTriglycerides in Blood: Normal Levels, Causes and TreatmentMarch 21, 2026
HematologyReticulocytes in Blood: Normal Levels, Causes and MeaningMarch 21, 2026
BiochemistryGGT Blood Test: Normal Levels, Causes and InterpretationMarch 21, 2026
BiochemistryCRP (C-Reactive Protein): Normal Range, Causes and InterpretationMarch 21, 2026
HematologyHemoglobin: Normal Range, Causes of Low and High ValuesMarch 21, 2026
HematologyWhite Blood Cells (WBC): Normal Range, Causes of High and Low CountMarch 21, 2026
EndocrinologyMelatonin Blood Test: Normal Levels, Function and CausesMarch 21, 2026
HematologyTransferrin Blood Test: Normal Range and Role in Anaemia DiagnosisMarch 21, 2026
CardiologyCK-MB Blood Test: Normal Levels, Causes and SignificanceMarch 21, 2026
HematologyFerritin in Blood: Normal Levels, Causes and SignificanceMarch 21, 2026
HematologyD-Dimer Blood Test: Normal Levels, Causes and SignificanceMarch 21, 2026
EndocrinologyCortisol Blood Test: Normal Levels, Causes and InterpretationMarch 21, 2026
HematologyRDW Blood Test: Normal Levels, Causes and InterpretationMarch 21, 2026
BiochemistryCreatinine Blood Test: Normal Levels by Age and eGFRMarch 21, 2026
BiochemistryHDL Cholesterol: Normal Levels, Causes and How to Raise ItMarch 21, 2026
BiochemistryAlbumin Blood Test: Normal Range, Low Levels and SignificanceMarch 21, 2026
EndocrinologyParathyroid Hormone (PTH): Normal Levels and InterpretationMarch 21, 2026
BiochemistryLDL Cholesterol: Normal Levels, Causes and How to Lower ItMarch 21, 2026
CardiologyTroponin in Blood: Normal Levels, Causes and SignificanceMarch 21, 2026