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84545 Urea-n clearance test

Pathology & Lab

Also known as: BUN clearance, urea clearance test

Quantitative measurement of urea nitrogen (blood urea nitrogen/BUN) clearance through urinalysis and serum testing to assess renal function and glomerular filtration rate.

Clinical Context

Used to evaluate kidney function by measuring how effectively the kidneys filter urea nitrogen from the blood. Commonly ordered in patients with suspected renal disease, hypertension, or diabetes.

RVU Breakdown

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Specialties

Clinical PathologyNephrologyInternal Medicine

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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.