TACROLIMUS (FK506)

Specimen Required
Draw blood in a lavender EDTA tube. Send 1.0 mL whole blood (0.2 mL minimum) refrigerated.

Rejection Criteria
Clotted sample.

Methodology
LC/MS/MS

Stability
Room Temperature: 24 hours; Refrigerated: 14 days; Frozen: 14 days

Reference Range
5-20 ng/mL
Toxic: >26 ng/mL

Performed
Monday-Saturday

Turnaround Time3 days
Test CodeFK506
CPT-4 Code (s)
80197
LOINC Codes
74097-7

Warde
Medical
Laboratory