81108 Hpa-4 genotyping
Also known as: HPA-4 typing, human platelet antigen 4
Genotyping of the human platelet antigen 4 (HPA-4) system to identify allelic variants related to platelet immunogenicity.
In Plain Language
blood platelet type test; HPA-4 variant analysis
Clinical Context
Ordered to detect platelet alloimmunization and manage transfusion complications in chronically transfused or pregnant patients at risk for alloimmunization.
RVU Information
CPT 81108 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 81108?
CPT 81108 (Hpa-4 genotyping) is a Pathology & Lab code. Genotyping of the human platelet antigen 4 (HPA-4) system to identify allelic variants related to platelet immunogenicity.
Who uses CPT code 81108?
CPT 81108 is used by Pathology, Hematology, Transfusion Medicine. Ordered to detect platelet alloimmunization and manage transfusion complications in chronically transfused or pregnant patients at risk for alloimmunization.
When is CPT 81108 used?
Ordered to detect platelet alloimmunization and manage transfusion complications in chronically transfused or pregnant patients at risk for alloimmunization.
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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.