Lab Test Dictionary

TPMT and NUDT15 Genotyping, Varies (TPNUQ)

Methodology

Real-Time Polymerase Chain Reactions (RT-PCR) with Allelic Discrimination Analysis

Synonyms

Thiopurine Methyltransferase (TPMT); Nudix Hydrolase (NUDT15); 6-Mercaptopurine; 6-Thioguanine; Acute Lymphoblastic Leukemia (ALL); Azathioprine; Crohn's Disease; Rheumatoid Arthritis; Inflammatory Bowel Disease (IBD); Ulcerative Colitis

Specimen Type

Whole Blood

Performing Lab

Mayo Medical Lab

Epic ID

LAB09110

Lab Test Days

Monday-Friday

Standard TAT

1-4 Days

Collection Information

Specimen Required

0.4-3 mL Whole Blood

Container Type

Lavender (EDTA)

Processing Information - Lab Use Only

Transport Temperature

Refrigerate-OK/Ambient-OK

Specimen Stability

Room Temp: 9 Days (Preferred); Refrigerated: 30 Days; Frozen: Unacceptable

Test Volume Required

3 mL Whole Blood

Minimum Test Volume

0.4 mL Whole Blood

Comments

Insurance authorization is required prior to draw for Outpatients. Ok to send on Inpatients.