HIV Phenosense (Sendout)

General Information

Lab Name

Lab Code

801

External Test Id

FHPIV

Description

Clinical Use: Determines viral phenotype resistance to antiretroviral drugs (NRTIs, NNRTIs, and PIs). Viral replication capacity is included.

Ordering Requirements: This test is intended for use only for patients with viral loads greater than or equal to 500 copies/mL. For best results, viral loads should be confirmed within two weeks prior to submission for testing. The results of the most recent viral load and the collection date that the viral load value was obtained are required for testing.

Synonyms

FPHIV, HIV Phenotype Resistance, Phenosense HIV Drug Resistance Replication Capacity

Interpretation

Method

Polymerase chain reaction (PCR) amplification and viral culture

Ref. Range Notes

Interpretive report will be provided.

Ordering & Collection

Specimen Type

Blood

Collection

10 mL blood in LAVENDER TOP (EDTA) tube

Also Accepted: 2 x 10mL blood PEARL TOP (EDTA) tubes

Handling Instructions

Outside Laboratories:

  • Centrifuge sample(s) within 2 hrs of collection and remove immediately from the centrifuge. Promptly transfer plasma to a separate plastic screw-cap vial and freeze at -20°C.
  • Indicate the following on the DLMP requisition (mandatory information for testing):
    • Patient's most recent viral load
    • Viral load collection date

Stability: Frozen (required): 14 days; Refrigerated: Unacceptable; Ambient: Unacceptable.

Quantity

requested: 3 mL EDTA plasma
minimum: 1 mL EDTA plasma

Processing

Centrifuge sample(s) within 2 hrs of collection and remove immediately from the centrifuge. Promptly transfer plasma to a separate plastic SCREW-CAP vial and freeze at -20°C.

Login: SEND1-;FREEZE

  • RSNDT1: MAYMBI
  • RSTYP1: PLS
  • RTSRQ1: ;Phenosense HIV Drug Resistance Replication Capacity (Mayo Test FPHIV)

Sendouts:

  • Order Mayo test: FPHIV.
  • The patient's most recent viral load and the collection date that the viral load was obtained are mandatory for testing. If not provided or unavailable in the patient's Sunquest record, contact the ordering provider to obtain this information.

Stability: Frozen (required): 14 days; Refrigerated: Unacceptable; Ambient: Unacceptable.

Performance

LIS Dept Code

Performing Location(s)

Sendout Mayo forwards to Monogram Biosciences, Inc.
800-533-1710

345 Oyster Point Blvd.
South San Francisco, CA 94080

Frequency

Performed: Sunday through Saturday. Report Available: 16-22 days.

Available STAT?

No

Billing & Coding

CPT codes

Billing Comments

CPTs: 87903, 87904x11

LOINC