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HelpTest Code LAB3486 Tacrolimus Level Blood Spot
Additional Codes
TacrBldSp
Clinical System Name
Tacrolimus Level Blood Spot
Synonyms
FK506
Prograf
Sample Requirements
Specimen: Capillary blood
Container(s): Dried blood spot card
Preferred Vol: 3 full circles
Minimum Vol: 1 full circle
Note: Draw 30 minutes to 1 hour before next dose. For line or peripheral collections, order Tacrolimus Level (not Blood Spot and collect in an EDTA tube.
Processing Instructions
Reject due to:
Spin: N
Aliquot: N
Temp: RT
Storage location: Store specimen and labels in the Biochemical Genetic box.
Off-site collection: Draw 30 minutes to 1 hour before next dose. Note draw time on the requisition. For capillary collection, spot 3 full circles on dried blood spot collection card, allow to air dry for 3 hours, and submit (or mail) to laboratory. See instruction sheet for collection details below.
Stability
| Temperature | Time |
|---|---|
| Room temp | 4 w |
| Refrigerated | 4 w |
| Frozen | 6 m |
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | M,W,F (run overnight, result available next day) | 2 - 4 d |
Specimen must be received in the lab by 10:00 for next day results.
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Chemistry
Location: Chem West
Phone Number: (206)987-2617
CPT Codes
80197
Methodology
Method: LC/MS/MS
Analytical Volume: 6 mm diameter circle
Limitations:
Reference Range
5 - 17 ng/mL