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HelpTest Code FRIFA Rifampin Level (PKRIF)
Specimen Required
Container/Tube: Red Top
Preferred: Red top tube
Acceptable: Serum gel tube
Specimen Volume: 2Â mL
Collection Instructions: Draw blood in a plain, red-top tube(s). Separate serum from cells immediately by centrifugation and aliquot into a polypropylene or similar plastic tube. Send 2 mL of serum frozen in plastic vial.
Note:
1. The following information is required:
             A. Specimen Type (source)
             B. Dose (specify PO, IV, IM)
             C. Date and time of last dose (for IV start/end time)
2. If the time of last dose and the blood draw are not accurately recorded, accurate interpretation of the concentration is not possible.
Method Name
HPLC
Reporting Name
Rifampin LevelSpecimen Type
SerumSpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Frozen | 365 days |
Reference Values
mcg/mL
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
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FRIFA | Rifampin Level | Not Provided |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z5803 | Dose | Not Provided |
| Z5804 | Date and Time of Last Dose | Not Provided |
| Z5778 | Rifampin Level | 4021-2 |
| Z5865 | Specimen Type: | Not Provided |
| Z5840 | Comment: | Not Provided |
Day(s) Performed
Monday through Friday