0051332
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UDP Glucuronosyltransferase 1A1 (UGT1A1) Genotyping

UGT1A1
Example Reports
Abnormal Heterozygous
Abnormal Homozygous
Normal Homozygous

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Supplemental Resources

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Patient History Form for UGT1A1 Sequencing

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Additional Technical Information

Ordering Recommendation

May be useful in dosage planning for individuals who will receive high-dose irinotecan, have personal or family history of sensitivity to irinotecan, or have experienced neutropenia while receiving irinotecan. Confirms suspected diagnosis of Gilbert syndrome.

Methodology

Polymerase Chain Reaction (PCR)/Fragment Analysis

Performed

Varies

Reported

2-7 days

New York DOH Approval Status

This test is New York DOH 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. Also acceptable: Ambient.

Unacceptable Conditions
Remarks
Stability

Room temperature: 1 week; Refrigerated: 1 month; Frozen: Unacceptable

Reference Interval

By report

Interpretive Data

Refer to report.

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

N/A

CPT Codes

81350

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Components

Component Test Code* Component Chart Name LOINC
0051333 UGT1A1 Genotyping Allele 1 51951-2
0051334 UGT1A1 Genotyping Allele 2 51952-0
0051335 UGT1A1 Genotyping Interpretation 34509-0
2001384 UGT1A1 Genotyping Specimen 66746-9
* 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

  • Irinotecan Toxiicity
  • UGT1A1
UDP Glucuronosyltransferase 1A1 (UGT1A1) Genotyping