DPYDA – “Dihydropyrimidine Dehydrogenase (DPYD)” replaced by DPYDE – “Dihydropyrimidine Dehydrogenase (DPYD)”

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Inactivated/Replace Test

Effective Date

04/20/2026

Included in Report

WML Test Directory Update | April 2026

Replacement Test

DIHYDROPYRIMIDINE DEHYDROGENASE (DPYD)

Inactivated Test Details

Mnemonic

DPYDA

Ordering Code

3600534

CPT-4 Codes(s)

81232

Replacement Test Details

Mnemonic

DPYDE

Ordering Code

3600567

CPT-4 Codes(s)

81232

Turnaround Time
7 - 12 days
Performed
Varies
Legacy Code
DPYDE
Example Report
Download

Specimen Information

Collect

Lavender EDTA

Specimen Preparation

Send 3.0 mL whole blood

Alternate Specimen

Whole blood: Yellow ACD A or B

Minimum Volume

1.0 mL

Transport Temperature

Refrigerated

Rejection Criteria

Plasma or serum, heparinized specimens. Frozen specimens in glass collection tubes.

Stability

Room temperature: 72 hours
Refrigerated: 7 days
Frozen: 30 days

Methodology

Polymerase Chain Reaction (PCR)/Fluorescence Monitoring
more

Reference Range

See Report
more

Performing Laboratory

ARUP Reference Laboratory
more

New York DOH Approval Status

Yes
more

Interface Map for DPYDE

Test Name Ordering Code Result Code Component Name LOINC Code AOE Prompt Units
Dihydropyrimidine Dehydrogenase (DPYD)3600567
3600416DPYD Specimen31208-2No
3600536DPYD Allele 1No
3600537DPYD Allele 2No
3600418DPYD Phenotype79719-1No
3600419DPYD Interpretation79719-1No
3600566DPYD Activity Score104665-5No
3600421EER Dihydropyrimidine Dehydrogenase11526-1No

The CPT codes provided are for general informational purposes only and are based on an interpretation of AMA guidance. It is the sole responsibility of the billing party to determine CPT codes. Any questions regarding coding should be directed to the paying party.

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