Blood urea nitrogen (BUN) — lab reference
Protein intake, hydration, catabolism, GI bleeding, and kidney function affect result.
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880 resources86 duplicate listings grouped
What’s searchable?Creatinine — lab reference
Muscle mass, age, diet, medications, and assay matter. Ask your clinician to review with eGFR, not alone.
eGFR, 2021 CKD-EPI — lab reference
G2 60-89; G3a 45-59; G3b 30-44; G4 15-29; G5 <15. G1/G2 alone do not establish CKD without kidney damage.
BUN/creatinine ratio — lab reference
Calculated and context-dependent. Not a stand-alone diagnostic marker.
Calcium, total — lab reference
Correct for albumin when appropriate or measure ionized calcium.
Calcium, ionized — lab reference
pH and specimen handling materially affect results.
Magnesium, serum — lab reference
Normal serum magnesium does not exclude tissue depletion.
Phosphorus — lab reference
Ask your clinician to read this result with kidney function, calcium, vitamin D, and PTH.
Serum osmolality — lab reference
Measured and calculated values may differ. Ask your clinician to review osmolal gap when indicated.
Uric acid — lab reference
A gout treatment target is not the same as the healthy-population interval.
Lactate, venous — lab reference
Collection method, tourniquet time, exercise, and timing affect result.
AST — lab reference
Muscle, liver, hemolysis, alcohol, exercise, and medication context matter.
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