Summary & Overview
CPT 84154: Free Prostate Specific Antigen (free PSA) Test
CPT code 84154 represents a laboratory test that measures free prostate specific antigen (free PSA) in serum. Free PSA testing plays a role in the clinical assessment of prostate conditions and can inform diagnostic considerations alongside total PSA and other clinical data. As a standardized CPT laboratory code, 84154 is used across clinical laboratories and hospital outpatient settings and carries national relevance for screening and diagnostic workflows in men's health.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context for free PSA testing, common service settings, and the aspects of billing and claims processing that typically affect laboratory services. The publication examines benchmarks and payer policy landscapes where available, summarizes coding and billing considerations, and highlights areas where readers may need to consult payer-specific policies for coverage criteria and reimbursement details.
Data not available in the input for some elements such as associated taxonomies, specific ICD-10 diagnoses, and related procedure codes is noted where applicable. The focus is national in scope and intended to support billing staff, laboratory managers, and policy analysts seeking a clear summary of the clinical and administrative role of CPT code 84154.
Billing Code Overview
CPT code 84154 describes a laboratory assay that measures free prostate specific antigen (free PSA) in a patient specimen, typically serum. The test quantifies the portion of PSA not bound to proteins, which can aid clinical evaluation related to prostate health.
Service Type: Laboratory test — clinical chemistry
Typical Site of Service: Clinical laboratory or hospital outpatient laboratory
Clinical & Coding Specifications
Clinical Context
A typical patient is a man aged 50–75 referred by his primary care physician or urologist for serum prostate cancer risk assessment after an elevated total prostate‑specific antigen (PSA) or an abnormal digital rectal exam. A blood specimen is collected in the outpatient clinic or laboratory; the specimen is sent to the clinical laboratory where a lab technologist or medical technologist performs an immunoassay to quantify free prostate‑specific antigen (free PSA). Results are reported to the ordering provider and incorporated into clinical decision‑making for prostate cancer screening, repeat testing, or referral for prostate biopsy. Typical sites of service include outpatient clinics, outpatient phlebotomy centers, hospital outpatient laboratories, and independent clinical laboratories. Common clinical workflow steps: patient encounter and order entry; phlebotomy and specimen labeling; specimen transport and accessioning in the lab; analytic testing for free PSA; result verification and release; provider review and patient counseling.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | Use when reporting only the professional interpretation or supervision portion if applicable to lab technical/professional splits in certain settings. |
TC |