HIV Phenosense (Sendout)

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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
Components

Interpretation

Method

Polymerase chain reaction (PCR) amplification and viral culture

Reference Range
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

Receiving Instructions

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.

Misc Sendout

Performance

Lab Department
Frequency
Performed: Sunday through Saturday. Report Available: 16-22 days.
Available STAT?
No
Performing Location(s)
Sendout Mayo forwards to Monogram Biosciences, Inc.
800-533-1710

345 Oyster Point Blvd.
South San Francisco, CA 94080

Billing & Coding

Billing Comments

CPTs: 87903, 87904x11