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

84155 Assay of protein serum

Pathology & Lab

Also known as: serum protein, total protein, TP

Quantitative assay of serum protein concentration, measuring total protein including albumin and globulins.

In Plain Language

blood protein level test

Clinical Context

Basic chemistry panel component; abnormal levels indicate malnutrition, liver disease, kidney disease, or immunologic disorders.

RVU Information

CPT 84155 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 ChemistryPathologyLaboratory Medicine

Frequently Asked Questions

What is CPT code 84155?

CPT 84155 (Assay of protein serum) is a Pathology & Lab code. Quantitative assay of serum protein concentration, measuring total protein including albumin and globulins.

Who uses CPT code 84155?

CPT 84155 is used by Clinical Chemistry, Pathology, Laboratory Medicine. Basic chemistry panel component; abnormal levels indicate malnutrition, liver disease, kidney disease, or immunologic disorders.

When is CPT 84155 used?

Basic chemistry panel component; abnormal levels indicate malnutrition, liver disease, kidney disease, or immunologic disorders.

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.