ARUP's Laboratory Test Directory

0051664: Human Immunodeficiency Virus 1 RNA Quantitative bDNA with Reflex to Human Immunodeficiency Virus 1 Genotyping

Test Mnemonic: HIVBC GR
Methodology: Branched Chain DNA/Genotyping

Performed: Mon, Wed, Fri

Reported: 2-15 days

Specimen Required:  
Collect: Two 5 mL lavender (EDTA), pink (K2EDTA), or PPT.

Transport: 8 mL plasma, frozen. (Min: 5 mL) Submit specimen in an ARUP Standard Transport Tube.

Submit specimen according to Biological Substance, Category B, shipping guidelines.

Pediatric Collection/Transport: 4 mL plasma, frozen.

Submit specimen according to Biological Substance, Category B, shipping guidelines.

Remarks: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.  Separate plasma from cells within two hours.

Unacceptable Conditions: Serum, whole blood or heparinized plasma. Polystyrene tubes. Specimens exposed to repeat freeze/thaw cycles.

Stability: After separation from cells: Ambient: Unacceptable; Refrigerated: 2 hours; Frozen: 4 months

Reference Interval:
 
Test Number Components Reference Interval
0020466Human Immunodeficiency Virus 1 RNA Quantitative bDNA Less than 75 HIV RNA copies/mL
Less than 1.9 HIV RNA log copies/mL
0055670Human Immunodeficiency Virus 1, Genotyping By report

Note:
Genotyping will be performed when viral load is greater than or equal to 1000 copies/mL (3.0 log copies/mL).

CPT Code(s):
87536; if greater than or equal to 1000 copies/mL (3.0 log copies/mL), add 87901