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