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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
Documentation:
Custom Panel:
No
PRODUCTION SCHEDULE
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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