Tests
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Tacrolimus
| Test Name: | Tacrolimus | ||
| Epic Order Code: | LAB876 | ||
| CPT Code: | 80197 | ||
| Specimen(s) Type: | Whole Blood; Full tube required. | ||
| Acceptable Container(s): |  Tube top is purple (lavender). | ||
| Testing Schedule: | Tested as received between the hours of 7 a.m.-3 p.m.; 7 days/week | ||
| Turn Around Time: | STAT: NA | ||
| Routine: 2 hours when received between 7 a.m.-3 p.m.; Specimens received after 3pm are held until the following morning. | |||
| Collection Information: | No special patient preparation is required. Obtain specimen by standard collection procedures. | ||
| Transport Information: | Deliver to lab immediately. All specimens must be signed into the laboratory. | ||
| Reference Clients: | If unable to deliver to the lab within 1 hour, store and transport at 2-8° C. Do not centrifuge. Specimen must be received in the lab within 7 days. If longer storage is required, store and transport the specimen at -20° C for up to 30 days. | ||
| Causes for Rejection: | Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport. | ||
| Reference Range: | 5.0 - 20.0 ng/mL | ||
| Additional Information: | When elimination of tacrolimus is impaired, i.e., during cholestasis, tacrolimus metabolites may accumulate, and tacrolimus concentration may be overestimated. | ||