81243 Fmr1 gen aly detc abnl allel
Also known as: FMR1 repeat analysis, Fragile X expansion analysis
Molecular analysis of the FMR1 gene to detect abnormal CGG repeat expansions associated with Fragile X Syndrome.
In Plain Language
fragile X test; intellectual disability genetic screening
Clinical Context
Used to diagnose Fragile X Syndrome in males with intellectual disability by measuring FMR1 CGG repeat expansion.
RVU Information
CPT 81243 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 81243?
CPT 81243 (Fmr1 gen aly detc abnl allel) is a Pathology & Lab code. Molecular analysis of the FMR1 gene to detect abnormal CGG repeat expansions associated with Fragile X Syndrome.
Who uses CPT code 81243?
CPT 81243 is used by Genetics, Neurology, Pathology. Used to diagnose Fragile X Syndrome in males with intellectual disability by measuring FMR1 CGG repeat expansion.
When is CPT 81243 used?
Used to diagnose Fragile X Syndrome in males with intellectual disability by measuring FMR1 CGG repeat expansion.
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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.