81109 Hpa-5 genotyping
Also known as: HPA-5 typing, human platelet antigen 5
Genotyping of the human platelet antigen 5 (HPA-5) system to identify allelic variants in platelet surface antigens.
In Plain Language
blood platelet type test; HPA-5 allele identification
Clinical Context
Used to identify platelet alloimmunization status and support transfusion management in immunized patients, particularly in neonatal and obstetric populations.
RVU Information
CPT 81109 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 81109?
CPT 81109 (Hpa-5 genotyping) is a Pathology & Lab code. Genotyping of the human platelet antigen 5 (HPA-5) system to identify allelic variants in platelet surface antigens.
Who uses CPT code 81109?
CPT 81109 is used by Pathology, Hematology, Transfusion Medicine. Used to identify platelet alloimmunization status and support transfusion management in immunized patients, particularly in neonatal and obstetric populations.
When is CPT 81109 used?
Used to identify platelet alloimmunization status and support transfusion management in immunized patients, particularly in neonatal and obstetric populations.
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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.