Ordering Recommendation

Predicts risk of dose-related toxicity to 5-FU therapy.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Lavender (EDTA), pink (K2EDTA), or yellow (ACD solution A or B).

Specimen Preparation

Transport 3 mL whole blood. (Min: 1 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Plasma or serum. Heparinized specimens. Frozen specimens in glass collection tubes.

Remarks
Stability

Ambient: 72 hours; Refrigerated: 1 week; Frozen: 1 month.

Methodology

Polymerase Chain Reaction (PCR)/Fluorescence Monitoring

Performed

Varies

Reported

5-10 days

Reference Interval

Interpretive Data

Refer to report.

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

N/A

CPT Codes

81232

Components

Component Test Code* Component Chart Name LOINC
2012167 DPYD Specimen 31208-2
2013096 DPYD Genotype 45284-7
2013097 DPYD Phenotype 79719-1
3016868 EER Dihydropyrimidine Dehydrogenase 11526-1
3017865 DPYD Interpretation 79719-1
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Fegafur
  • Xeloda
  • Capecitabine
  • DPYD genotyping
  • Dihydropyrimidine
  • 5FU drug toxicity
  • DPD
  • DPYD
  • Uftoral
Dihydropyrimidine Dehydrogenase (DPYD)