Hereditary Gastric Cancer Panel, Sequencing and Deletion/Duplication

3005963
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Hereditary Cancer Testing Patient History Form

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Additional Technical Information

Ordering Recommendation

Recommended test to confirm a hereditary cause of gastric cancer in individuals with a personal or family history of disease. Testing minors for adult-onset conditions is not recommended; testing will not be performed in minors without prior approval. For additional information, please contact an ARUP genetic counselor at 800-242-2787 ext. 2141.

To compare this test to other hereditary cancer panels, refer to the ARUP Hereditary Cancer Panel Comparison table.

Mnemonic

GASCAN NGS

Methodology

Massively Parallel Sequencing/Sequencing/Multiplex Ligation-dependent Probe Amplification

Performed

Varies

Reported

21-42 days

New York DOH Approval Status

Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.

Specimen Required

Patient Preparation
Collect

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

Specimen Preparation

Transport 3 mL whole blood. (Min: 2 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Serum or plasma; grossly hemolyzed or frozen specimens; saliva, buccal brush, or swab; FFPE tissue; DNA.

Remarks
Stability

Ambient: 72 hours; Refrigerated: 1 week; Frozen: Unacceptable

Reference Interval

By report

Interpretive Data

Refer to report.

Compliance Category

Depends on Specimen/Source/Method

Note

Genes Tested:  APC*; BMPR1A*; CDH1*; CTNNA1*; EPCAM**; MLH1; MSH2; MSH6; PMS2; SMAD4; STK11; TP53

*One or more exons are not covered by sequencing and/or deletion/duplication analysis for the indicated gene; see Additional Technical Information.
**Deletion/duplication analysis of EPCAM (NM_002354) exon 9 only, sequencing is not available for this gene.

Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
02/21/2023
X
N/A

CPT Codes

81201; 81203; 81292; 81294; 81295; 81297; 81298; 81300; 81317; 81319; 81403

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Components

Component Test Code* Component Chart Name LOINC
3005964 Spcm GASCAN
3005965 GASCAN Interp
* 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

  • AFAP
  • Familial adenomatous polyposis
  • FAP
  • GAPPS
  • Gastric adenocarcinoma and proximal polyposis of the stomach
  • HDGC
  • Hereditary diffuse gastric cancer
  • Hereditary gastrointestinal cancer
  • Hereditary stomach cancer
  • JPS
  • Juvenile polyposis syndrome
  • Li-Fraumeni syndrome
  • Lynch syndrome
  • Peutz-Jeghers syndrome
  • PJS
Hereditary Gastric Cancer Panel, Sequencing and Deletion/Duplication