Ordering Recommendation

Optimize drug therapy and monitor patient adherence.

Mnemonic
RIFAMP SP
Methodology

Quantitative High Performance Liquid Chromatography/Tandem Mass Spectrometry

Performed

Varies

Reported

8-11 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Plain Red, Lavender (K2EDTA), or Pink (K2EDTA).

Specimen Preparation

Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.4 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.

Storage/Transport Temperature

Refrigerated. Also acceptable: Frozen.

Unacceptable Conditions

Specimens transported in separator tubes.

Remarks
Stability

Ambient: 72 hours; Refrigerated: 1 month; Frozen: 1 month

Reference Interval

By report

Interpretive Data



Compliance Category

Performed by non-ARUP Laboratory

Note
Hotline History
N/A
CPT Codes

80375 (Alt code: G0480)

Components
Component Test Code* Component Chart Name LOINC
3001497 Rifampin, Serum/Plasma 4021-2
3001498 25-desacetylrifampin, Serum/Plasma 19146-0
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Lopurin
  • Rifadin
  • Rifampicin
Rifampin and Metabolite, Serum or Plasma

National Medical Services (NMS)