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Lab Test Dictionary

UGT1A1 Gene Polymorphism (TA Repeat) (17813X)

Methodology

Fluorescent Polymerase Chain Reaction


Synonyms

Irinotecan Toxicity; Colorectal Cancer (CRC); Irinotecan Metabolism; Gilbert's Synderome; UPD-glucuronosyltransferase 1A1 (UGT1A1), 1015360

Specimen Type

Whole Blood

Performing Lab

Quest Diagnostics San Juan Capistrano


Epic ID

Other Reference Test

Lab Test Days

Monday and Thursday

Standard TAT

6 Days


Collection Information

Specimen Required

3-5 mL Whole Blood

Container Type

Lavender (EDTA)

Collection Instructions

Whole blood collected in an EDTA (royal blue-top), sodium heparin (green-top) or a lithium heparin (green-top) tube is also acceptable.


Processing Information - Lab Use Only

Transport Temperature

Refrigerate-OK/Ambient-OK

Specimen Stability

Room Temp: 8 Days; Refrigerated: 8 Days; Frozen: Unacceptable

Rejection Criteria

Gross hemolysis; Clotted; Received frozen

Test Volume Required

5 mL Whole Blood

Minimum Test Volume

3 mL Whole Blood


Comments

Insurance authorization is required prior to draw for Outpatients. Ok to send on Inpatients. No special paperwork needed.


CPT Codes

81350


Revised

08-29-19

Initials

SL