84402 Assay of free testosterone
Also known as: free testosterone, bioavailable testosterone, unbound testosterone
Quantitative assay of free testosterone concentration in serum, measuring unbound biologically active hormone.
In Plain Language
active male hormone test
Clinical Context
More physiologically relevant than total testosterone; evaluates hypogonadism and androgen excess; accounts for SHBG variations.
RVU Information
CPT 84402 does not have a physician work RVU assigned by CMS. Reimbursement for this code is determined by payer-specific fee schedules.
Billing & Documentation
Lab and pathology codes require an order from the treating provider with clinical indication. For molecular pathology and genetic testing, document the specific analytes tested and clinical rationale.
How This Code Compares
This code has a work RVU of 0.00, meaning it does not have a physician work component assigned by CMS. In the Pathology & Lab category, 94% of codes share this characteristic.
Specialties
Frequently Asked Questions
What is CPT code 84402?
CPT 84402 (Assay of free testosterone) is a Pathology & Lab code. Quantitative assay of free testosterone concentration in serum, measuring unbound biologically active hormone.
Who uses CPT code 84402?
CPT 84402 is used by Clinical Chemistry, Endocrinology, Urology. More physiologically relevant than total testosterone; evaluates hypogonadism and androgen excess; accounts for SHBG variations.
When is CPT 84402 used?
More physiologically relevant than total testosterone; evaluates hypogonadism and androgen excess; accounts for SHBG variations.
Track This Code in RVU Edge
Log procedures, calculate wRVUs, and benchmark against national data — all in one app.
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.