81285 Fxn gene charac alleles
Also known as: FXN allele characterization, GAA repeat sizing
Frataxin (FXN) gene characterization of alleles to determine GAA repeat size and establish disease severity in Friedreich's ataxia.
In Plain Language
Ataxia severity assessment; Disease progression prediction
Clinical Context
Characterizes FXN GAA repeat sizes to predict disease onset age and progression rate. Larger repeats correlate with earlier symptoms.
RVU Information
CPT 81285 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 81285?
CPT 81285 (Fxn gene charac alleles) is a Pathology & Lab code. Frataxin (FXN) gene characterization of alleles to determine GAA repeat size and establish disease severity in Friedreich's ataxia.
Who uses CPT code 81285?
CPT 81285 is used by Pathology, Neurology, Genetics. Characterizes FXN GAA repeat sizes to predict disease onset age and progression rate. Larger repeats correlate with earlier symptoms.
When is CPT 81285 used?
Characterizes FXN GAA repeat sizes to predict disease onset age and progression rate. Larger repeats correlate with earlier symptoms.
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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.