Human Platelet Antigen 1 Genotype

Last Modified: 12/31/2020 9:05:20 AM

Medical Necessity Documentation:  
Client Notes:  
Specimen Requirements: 5.0 mL Whole Blood in (two) Lavender Top Tube(s) - EDTA 
Collection Instructions:  
Minimum Volume: 1.0 mL Whole Blood
Transport & Storage: Temperature/Stability: 7 days Ambient
14 days Refrigerated
Rejection Criteria: Frozen Specimen
Reference Range:

Refer to Interpretive Results

Critical Ranges:  
Test Comments:  
Methodology: DNA-Based Capture Binding Assay
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
Custom Panel: No


Turn Around Time: 2 to 4 days
Days Performed: Tuesday
Sites Performed: Quest - Chantilly to San Juan Capistrano
PHL Test Code: HPA1G
EPIC Test Code: LAB3191
Send Out Test Code: 10707
Alternate Test Names: HPA-1a(PLA Plt Ag) Genotype; Human Platelet Ag 1 Genotype
Included Tests:  
CPT Coding: 81105

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