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HIV 1&2, Screen, Reflex to Differentiation
MessageMust collect in a dedicated tube. If ordered with other testing, please submit 2 tubes to lab.
Test Code
HIV 1&2 Screen, Reflex to Diff - NCMC
CPT Codes
87389
Includes
HIV 1/2 Screen
Reflexes to HIV 1&2 Antibody Differentiation, if positive
Reflexes to HIV 1&2 Antibody Differentiation, if positive
Preferred Specimen
2.0 mL serum from Serum Gel or Red Top
Minimum Volume
1.5 mL
Note: For neonate requirements see Neonate Minimum Blood Volumes
Note: For neonate requirements see Neonate Minimum Blood Volumes
Other Acceptable Specimens
2.0 mL plasma from LiHep
Instructions
Spin down within 24 hours of draw.
Specimen Stability
Specimen Type | Temperature | Time |
Serum SST | Refrigerated | 7 days |
Serum SST – Separated | Frozen | 30 days |
Red Top – Separated* | Refrigerated | 7 days |
Red Top – Separated* | Frozen | 30 days |
*Centrifuge and aliquot into a plastic vial.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis
Methodology
Two wash antigen/antibody sandwich immunoassay
Reflexes to immunochromatographic antibody differentiation
Setup Schedule
Monday thrugh Sunday; Continuously
Report Available
Same day
Reference Range
If reactive the result will be confirmed by HIV 1 & 2 antibody differentiation.
Performing Laboratory
North Colorado Medical Center Laboratory