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Test Code RIBAV Ribavirin, Serum

Reporting Name

Ribavirin, S

Useful For

Assessing adequacy of ribavirin therapy or potential drug-related toxicity

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type


Specimen Required

Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions:

1. Draw blood immediately before next scheduled dose.

2. Centrifuge and separate serum from cells or gel within 2 hours of draw.

3. Delay in removing serum may result in falsely-decreased ribavirin concentrations.

Specimen Minimum Volume

0.2 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 21 days
  Frozen  28 days
  Ambient  72 hours

Reference Values

2,500-4,000 ng/mL

Day(s) and Time(s) Performed

Monday; 4 p.m.

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
RIBAV Ribavirin, S 41469-8


Result ID Test Result Name Result LOINC Value
60536 Ribavirin, S 41469-8

Method Name

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)


If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.