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Available Tests

  • Tacrolimus; Timed

Published on April 06, 2015

Tacrolimus; Timed

Tube Type

Test ID   LAB5366
CPT Code(s)   80197
Group/Individual Test   Individual
  Performed by: Special Chemistry Lab
Tube Station   30
Specimen Routine: 5 mL blood/lavender top blood collection tube; see  Comments
  Micro: 500 µL blood/lavender top microcollection device

Room Temperature: 14 days

Off Site Collections:
Ambient/Room Temp. is acceptable. Samples may be refrigerated (2 - 8°C). Do NOT freeze. Ship ambient or with refrigerated cold pack(s) only. Do NOT use dry ice. Do NOT use frozen cold packs.
Ambient: 14 Days
Refrigerated: 14 Days
Frozen - Not Acceptable
Availability Routine: Daily; Not available STAT; see Comments
Turnaround Time  

Samples for tacrolimus testing must be in the Core Laboratory by 12 pm (noon) for same day testing. 
Results are available by 5pm.

Reference Range  


Methodology: Liquid Chromatography Tandem Mass Spectrometry

-Used for pharmocokinetic studies. Time of collection since dose, must be documented.

-Multiple test requests with same sample type will require additional volumes for testing.
-Pediatric microcollection devices available from Phlebotomy Services

Reviewed by Christopher Parker on December 09, 2019

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514