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HelpTest Code LAB159 HIV Screen, Reflex to Confirmation
Useful For
Screening patients for HIV exposure
Profile Information
| Test Code | Test Name | Methodology |
Performing Laboratory |
Available Separately |
Always Performed |
|---|---|---|---|---|---|
| LAB159 | HIV Screen | Electrochemiluminescence Immunoassay (ECLIA) |
Bozeman Health Laboratory Services |
No | Yes |
Testing Algorithm:
If the HIV Screen is reactive, HIV antibody differentiation will be performed at an additional charge.
Reflex Tests
| Test Code | Test Name | Methodology | Performing Laboratory |
Available Separately |
Always Performed |
|---|---|---|---|---|---|
| LAB5113 | HIV Antibody Differentiation | Biorad Multispot Rapid Test | Sanford Laboratories | No | No |
Performing Laboratory
Bozeman Health Laboratory Services
Specimen Requirements
Specimen Type: Serum
Container/Tube: Gold top or red top
Specimen Volume: 3.5 mL
Specimen Minimum Volume: 2 mL
Collection Instructions: Allow specimen to clot completely.
Specimen Rejection: Grossly hemolyzed samples may be rejected.
Specimen Transport Temperature
Ambient/Refrigerated
Specimen Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Ambient | 7 days |
| Refrigerated | 4 weeks | |
| Frozen | 3 months |
Reference Values
| Result | Interpretation | |
|---|---|---|
| < 1.0 index | Nonreactive |
Considered negative for HIV‑1 Ag and HIV‑1/ 2 specific antibodies and does not need further testing. |
| ≥ 1.0 index | Reactive | Further testing requred, reflex testing performed. |
Critical value (automatic call-back): Reactive results on patients not yet diagnosed
Additional Information
- This assay detects the HIV p24 antigen and antibodies to HIV -1 (groups M and O)and HIV-2.
- Antibodies and antigen are not differentiated.
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
87389
86701 (if needed)
86702 (if needed)
87535 (if needed)