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*TACROLIMUS

Mnemonic

FK506

Synonym

FK506 - Prograf® - Prograf

Specimen Collection Requirements

Patient Preparation

Draw trough samples immediately before AM dose. Alternatively, draw trough at least 12 hours post dose.

Collect

Whole Blood, one 4.0 mL lavender (EDTA) top tube

Handling

Do not separate plasma; test is performed on whole blood.

Preferred Volume

4 mL Whole Blood

Minimum Volume

0.5 mL minimum whole blood draw

Transport

Refrigerated (2-8°C)

Rejection Criteria

Specimens that have been centrifuged and separated, frozen whole blood samples.

Stability

Ambient (20-25°C): 7 days; Refrigerated (2-8°C): 1 month; Frozen (at or below -20°C): Unacceptable

Testing Information

Performed

7 days/week

Reported

24 hours

Method

Liquid Chromatography Tandem Mass Spectrometry

Reference Values

Last Updated: Tuesday, March 14, 2017 04:33:42 PM


Client Services: 503-413-1234