84285 Assay of silica
Also known as: silica level, serum silica, silicosis marker
Quantitative assay of serum or urine silica concentration, measuring this element for occupational and toxicological evaluation.
In Plain Language
occupational exposure test
Clinical Context
Evaluates exposure to silica dust in occupational settings; elevated levels associated with silicosis and lung disease.
RVU Information
CPT 84285 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 84285?
CPT 84285 (Assay of silica) is a Pathology & Lab code. Quantitative assay of serum or urine silica concentration, measuring this element for occupational and toxicological evaluation.
Who uses CPT code 84285?
CPT 84285 is used by Occupational Medicine, Toxicology, Clinical Chemistry. Evaluates exposure to silica dust in occupational settings; elevated levels associated with silicosis and lung disease.
When is CPT 84285 used?
Evaluates exposure to silica dust in occupational settings; elevated levels associated with silicosis and lung disease.
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.