Home
Career Stage
Medical Students Residents Attendings CPT Codes Resources Blog Support

84403 Assay of total testosterone

Pathology & Lab

Also known as: total testosterone, serum testosterone, testosterone level

Quantitative assay of total serum testosterone concentration, measuring both free and bound hormone.

In Plain Language

male hormone test

Clinical Context

Standard androgen assessment; evaluates hypogonadism, infertility, and virilization; must interpret with SHBG for clinical significance.

RVU Information

CPT 84403 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

Clinical ChemistryEndocrinologyReproductive Medicine

Frequently Asked Questions

What is CPT code 84403?

CPT 84403 (Assay of total testosterone) is a Pathology & Lab code. Quantitative assay of total serum testosterone concentration, measuring both free and bound hormone.

Who uses CPT code 84403?

CPT 84403 is used by Clinical Chemistry, Endocrinology, Reproductive Medicine. Standard androgen assessment; evaluates hypogonadism, infertility, and virilization; must interpret with SHBG for clinical significance.

When is CPT 84403 used?

Standard androgen assessment; evaluates hypogonadism, infertility, and virilization; must interpret with SHBG for clinical significance.

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.