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FK506

Centralized Core Laboratory : Chemistry

Test ID/Workstation :
FK5CC E8011
Specimen Type:
Blood
Tube Type:
Purple top (EDTA) tube: Whole Blood, Store samples protected from light. Preferred draw sample type is EDTA Macro (2 mL tube). Acceptable minimum sample draw is 2 EDTA Microtainer tubes to ensure testing can be completed. If only 1 microtainer is collected repeat analysis will be unable to be performed.
Collection Volume:
2.0 mL (minimum half the tube)
Storage:
Shipping- Send Refrigerated; Storage- Room Temp: 5 days; Refrigerated: 7 days; Frozen: 30 days
Availability:
7 days/week Dayshift
Methodology:
Roche-ECLIA sandwich principle
Special Instructions:
Specimens in lab by 12:00, instrument run at 13:00, results by 16:00. Available STAT with the approval of the Medical Director. Patients should be on a specified dose of Tacrolimus for at least 48 hours prior to sample collection. The life of Tacrolimus varies but shows 11-34 hours on average. Trough levels should be collected just prior to the next dose.
Lab/Phone:
330-543-8418
TAT:
4 hours
Additional Info:
Reference range:
  • 5.0-20.0 ng/mL
  • Critical: >25.0 ng/mL
  • CPT Code:
    80197
    Synonyms:
    Tacrolimus
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