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84302 Assay of sweat sodium

Pathology & Lab

Also known as: sweat sodium, sweat chloride test, CF test

Quantitative assay of sweat sodium concentration, typically from pilocarpine-induced sweat for cystic fibrosis diagnosis.

Clinical Context

Gold standard for cystic fibrosis diagnosis; elevated chloride/sodium in sweat confirms defective salt reabsorption in CF patients.

RVU Breakdown

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Specialties

PediatricsPulmonologyLaboratory 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.