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HelpRifabutin Level
Clinical System Name
Miscellaneous Test
Sample Requirements
Specimen: Whole Blood
Container(s): Red or Dark Green/Sodium Heparin
Preferred Vol: 4.0 mL
Minimum Vol: 1.0 mL
Note: A Dark Green/Sodium Heparin sample is acceptable, but not preferred for this assay.
Processing Instructions
Reject due to: Severe hemolysis, thawed samples for greater than 24 hours
Spin: Y
Aliquot: Y
Temp: -70 C
Storage Location: CPA -70 freezer, Send Outs rack.
Off-site collection: Separate serum from cells immediately by centrifuge and aliquot into a Cerner-labeled aliquot tube. Use a separate tube for each test ordered. Allow room for expansion of sample. Freeze at -70 C if possible, but at minimum -20 C. Ship frozen sample to Seattle Children's Main Lab.
Stability
| Specimen Type | Temperature | Time |
| Serum or Plasma | Room temp | 24 h |
| Refrigerated | 24 h | |
| Frozen | Indefinitely |
Availability
| STAT | Performed | TAT |
| N | M - F | 7 d |
Performing Laboratory
National Jewish Health
Pharmacokinetics Laboratory
1400 Jackson Street, K425
Denver, CO 80206
Phone Number: (800) 550-6227
Department
Department: Send Outs
Phone Number: (206) 987-2563
CPT Codes
80299
Methodology
Method: HPLC
Analytical Volume: 0.5 mL Serum or Plasma
Limitations:
Send Out Instructions
| Reference Test Name | Rifabutin Level |
| Reference Test Code | PKRFB |
| Instructions | Send frozen via FedEx Priority Overnight. Must be shipped Monday - Thursday. National Jewish Health does not accept Saturday deliveries. |
Reference Ranges
By Report