Tacrolimus (FK506) Level

Specimen:

Test Code

YTACR

Specimen Name

Tacrolimus (FK506) Level

Collect

Lavender EDTA Whole Blood

Submit

5 mLs (Min: 0.5 mL) EDTA Whole Blood, Refrigerated.

Special Handling

Draw specimen prior to patient's next dose. Collect tube and mix thoroughly.

Rejection Criteria

Samples types other than EDTA whole blood.

Stability

Ambient 3 days; Refrigerated 14 days; Frozen >6 months

Methodology

LC-MS/MS

Performed

Sunday - Saturday

Reported

1-3 days

CPT Codes

  • 80197

Components

—

Additional Information

Specimen should not be collected from a line through which this drug is administered; recommend venipuncture.

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Common Lab Definitions

  • Serum 
  • Plasma 
  • STT