84203 Test rbc protoporphyrin
Also known as: RBC protoporphyrin screening, zinc protoporphyrin screen, ZPP screen
Qualitative screening test for red blood cell protoporphyrin (zinc protoporphyrin), detecting presence of elevated levels.
In Plain Language
red blood cell porphyrin screening
Clinical Context
Screens for lead exposure and erythropoietic protoporphyria; positive results warrant quantitative follow-up testing.
RVU Information
CPT 84203 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 84203?
CPT 84203 (Test rbc protoporphyrin) is a Pathology & Lab code. Qualitative screening test for red blood cell protoporphyrin (zinc protoporphyrin), detecting presence of elevated levels.
Who uses CPT code 84203?
CPT 84203 is used by Hematology, Toxicology, Laboratory Medicine. Screens for lead exposure and erythropoietic protoporphyria; positive results warrant quantitative follow-up testing.
When is CPT 84203 used?
Screens for lead exposure and erythropoietic protoporphyria; positive results warrant quantitative follow-up testing.
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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.