Lab Tests

Blood gases (pH, PaO₂, PaCO₂, HCO₃)

Body fluid analysis (CSF, synovial, pleural)

Calcium–phosphate balance, PTH, bone turnover markers

Coagulation studies (PT/INR, aPTT, fibrinogen, D‑dimer)

Complement proteins (C3, C4) and CH50

Hematology indices (Hb, Hct, RBC, WBC, platelets)

Serum electrolytes (Na, K, Cl, HCO₃, Ca, Mg, PO₄)

Endocrine assays (TSH, free T4/T3, PTH, AMH)

GI panels and serology

Glycemic control (FPG, OGTT, HbA1c)

Autoimmune serology (ANA and related panels)

Acute phase reactants (CRP, ESR, ferritin)

Iron studies (ferritin, transferrin, TIBC, % saturation)

Renal function (creatinine, eGFR, BUN)

Lipid profile (TC, LDL‑C, HDL‑C, TG, ApoB)

Hepatic function (ALT, AST, ALP, bilirubin)

Metabolic screening and inborn errors of metabolism

Microbiology (culture, PCR, serology)

Vitamin and nutritional status assays

Tumor markers (PSA, CA‑125, CEA, AFP)

Protein electrophoresis (SPEP/UPEP) and serum proteins

Therapeutic drug monitoring (assayed drug levels)

Toxicology (drug levels and tox screens)

Urinalysis (dipstick and microscopy)