Methodology
Polymerase Chain Reaction (PCR)/Fluorescence Monitoring
Synonyms
Fegafur, 5FU drug toxicity, DPYD genotyping, Xeloda, DPD, Capecitabine, Uftoral
Specimen Type
Blood
Performing Lab
ARUP
Epic ID
Other Reference Test
Lab Test Days
Varies
Standard TAT
5 to 10 days
Collection Information
Specimen Required
3 mL blood
Container Type
Lavender EDTA tube
Collection Instructions
Also acceptable Pink (K2EDTA) or Yellow (ACD Solution A or B tube
Processing Information - Lab Use Only
Transport Temperature
Refrigerated
Specimen Stability
Room Temp=72 hours, Refrigerated=1 week
Test Volume Required
3 mL blood
Minimum Test Volume
1 mL blood
Comments
Predicts risk of dose-related toxicity to 5-FU therapy. Requires insurance auth.
CPT Codes
81232 (genetic)
Revised
7/29/25