82135 Assay aminolevulinic acid
Also known as: ALA level, aminolevulinic acid, porphyria screening
Enzymatic or chromatographic assay measuring aminolevulinic acid in serum or urine to screen for acute intermittent porphyria.
In Plain Language
porphyria test; rare blood disease screening; nerve pain disorder test
Clinical Context
Markedly elevated during acute porphyria attacks; diagnostic for acute intermittent porphyria and other porphyrias.
RVU Information
CPT 82135 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 82135?
CPT 82135 (Assay aminolevulinic acid) is a Pathology & Lab code. Enzymatic or chromatographic assay measuring aminolevulinic acid in serum or urine to screen for acute intermittent porphyria.
Who uses CPT code 82135?
CPT 82135 is used by Pathology, Genetics, Neurology. Markedly elevated during acute porphyria attacks; diagnostic for acute intermittent porphyria and other porphyrias.
When is CPT 82135 used?
Markedly elevated during acute porphyria attacks; diagnostic for acute intermittent porphyria and other porphyrias.
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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.