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

83529 Asay of interleukin-6 (il-6)

Pathology & Lab

Also known as: interleukin-6 assay, IL-6 test

Quantitative measurement of interleukin-6 (IL-6) in plasma, serum, or other body fluids using immunoassay methodology.

In Plain Language

inflammatory marker test

Clinical Context

Assessment of inflammatory state in infections, sepsis, rheumatologic diseases, and malignancies. Elevated IL-6 correlates with disease severity and mortality in critical illness.

RVU Information

CPT 83529 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

PathologyRheumatologyCritical Care

Frequently Asked Questions

What is CPT code 83529?

CPT 83529 (Asay of interleukin-6 (il-6)) is a Pathology & Lab code. Quantitative measurement of interleukin-6 (IL-6) in plasma, serum, or other body fluids using immunoassay methodology.

Who uses CPT code 83529?

CPT 83529 is used by Pathology, Rheumatology, Critical Care. Assessment of inflammatory state in infections, sepsis, rheumatologic diseases, and malignancies. Elevated IL-6 correlates with disease severity and mortality in critical illness.

When is CPT 83529 used?

Assessment of inflammatory state in infections, sepsis, rheumatologic diseases, and malignancies. Elevated IL-6 correlates with disease severity and mortality in critical illness.

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.