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HelpTest Code FRIFA Rifampin Level
Necessary Information
The following information is required:
-Specimen Type (source)
-Dose (specify PO, IV, IM)
-Date and time of last dose (for IV start/end time)
Note: If the time of last dose and the blood draw are not accurately recorded, accurate interpretation of the concentration is not possible.
Specimen Required
Collection Container/Tube: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL Serum
Collection Instructions:
1. Allow serum to clot for 30 minutes.
2. Immediately centrifuge and aliquot 2 mL of serum into a plastic vial.
3. Send frozen.
Method Name
HPLC-UV
Reporting Name
Rifampin LevelSpecimen Type
SerumSpecimen Minimum Volume
Serum: 0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen | 365 days |
Reject Due To
| Gross hemolysis | Reject |
| Specimens thawed >6 hours | Reject |
Reference Values
An interpretive report will be provided.
Performing Laboratory
National Jewish HealthTest Classification
The performance characteristics for this test have been validated by Advanced Diagnostic Laboratories at National Jewish Health. It has not been cleared or approved by the US Food and Drug Administration. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions. This laboratory is certified under the Clinical Laboratory Improvement Amendments of 1988 (CLIA 88) as qualified to perform high complexity clinical laboratory testing.CPT Code Information
80299
Day(s) Performed
Monday through Friday
Report Available
10 to 14 daysClinical Information
Refer to www.nationaljewish.org/for-professionals/diagnostic-testing/advanced-diagnostic-laboratories/search-for-tests