Test Name: *HUMAN PLATELET ANTIGEN 1 GENOTYPE
Test Code: 2196575
Alias: HPA-1
HPA-1a(PLA Plt Ag) Genotype
LAB9149
CPT Code(s): 81105  
Test Includes:

*Note: This test may require notification/prior authorization by insurance companies. Check the patient's insurance plan for qualifications prior to submitting testing.  If authorization is required, please submit with the test request.
Preferred Specimen: 5.0 mL whole blood
Container: 2 - EDTA (lavender)
Minimum Volume: 1.0 mL whole blood
Collection Instructions: Invert tube 5 to 10 times immediately after filling.
Transport Temperature: Room temperature
Stability:

Room temperature: 7 days
Refrigerated: 14 days
Frozen: Unacceptable

 
Rejection Criteria:

Received frozen
Schedule: Set up: Mon; Report available: Friday p.m.
Method: DNA-Based Capture Binding Assay
Performing Lab: Quest Diagnostics, Wood Dale > SJC; #10707
Clinical Significance: Human Platelet Antigen (HPA) polymorphism can lead to alloimmunization that clinically can manifest as neonatal alloimmune thrombocytopenia or post-transfusion thrombocytopenia purpura. HPA-1 genotyping allows screening for potential neonatal immunization in pregnancy.
Use: Updated 2/22/22

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The CPT codes included in this publication are in accordance with Current Procedural Terminology, a publication of the American Medical Association. CPT codes are provided here for the convenience of our clients; however, correct coding often varies from one carrier to another, and HealthLab may bill specific carriers using codes other than those shown. Clients who bill for services should verify the code(s) with the applicable payor to confirm that their use is appropriate in each case.
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