84202 Assay rbc protoporphyrin
Also known as: RBC protoporphyrin, zinc protoporphyrin, ZPP
Quantitative assay of red blood cell protoporphyrin (zinc protoporphyrin), measuring this porphyrin precursor in erythrocytes.
In Plain Language
red blood cell porphyrin test
Clinical Context
Elevated in lead poisoning, iron deficiency anemia, and erythropoietic protoporphyria; used to screen for lead exposure and evaluate anemia.
RVU Information
CPT 84202 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 84202?
CPT 84202 (Assay rbc protoporphyrin) is a Pathology & Lab code. Quantitative assay of red blood cell protoporphyrin (zinc protoporphyrin), measuring this porphyrin precursor in erythrocytes.
Who uses CPT code 84202?
CPT 84202 is used by Hematology, Toxicology, Clinical Chemistry. Elevated in lead poisoning, iron deficiency anemia, and erythropoietic protoporphyria; used to screen for lead exposure and evaluate anemia.
When is CPT 84202 used?
Elevated in lead poisoning, iron deficiency anemia, and erythropoietic protoporphyria; used to screen for lead exposure and evaluate anemia.
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.