Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

HIV ANTIGEN & ANTIBODY SCREEN W/ CONFIRMATION

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB2467         Geisinger Epic ID: 45912

SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Specimen required:
1 mL serum; minimum 1 mL

SPECIMEN PROCESSING
Specimen processing instructions:
Allow to clot. Centrifuge to separate serum. 
Transport temperature:
Refrigerated (preferred).
Specimen stability:
Room temperature: 7 days. Refrigerated(2 - 8°C): 4 weeks. Frozen: 3 months. No more than 5 freeze/thaw cycles.
Rejection criteria:
Specimen will be rejected if stability limit is exceeded or if specimen is hemolyzed or icteric. Add-ons available only to unopened tube.

TEST DETAILS
Reference interval:
Negative.
Interpretation guide:
CDC Recommended Laboratory HIV Testing
CPT code(s):
87389
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Qualitative detection of antibodies to human immunodeficiency virus type 1 and type 2. Positive result will be reflexed to "HIV1/HIV2 antibody differentiation assay.
Methodology:
Electrochemiluminescence Immunoassay
Synonyms:
HIV-1/HIV-2 ANTIBODY;HIV antibody combo, HIV GEN 4
HIV4G
Clinical significance:
HIV Ag/Ab Combo assay is an immunoassay for the simultaneous qualitative determination of human immunodeficiency virus (HIV) p24 antigen and antibodies to HIV type 1(HIV-1 group M and group O) and/or type 2 (HIV-2). Specimens with a reactive HIV AG/AB Combo assay result should be tested with a confirmatory assay that differentiates HIV-1 from HIV-2 antibodies.
Doctoral Director(s:)
Hoi-Ying Elsie Yu, PhD, DABCC
Sheng-Ying (Margaret) Lo, PhD, DABCC    
Review Date: 12/24/2020

Performing Locations

Geisinger Medical Center

Performing laboratory: Automated Chemistry
Technical Lead: Mariana Moyer, Jared Shepherd
Frequency: Daily
Performed stat? No
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