COLONEXT
| Abbrev Code: | XMISC | ||
| Order Code: | LAB4909 | Order Name: | Laboratory Miscellaneous Order |
| Synonyms: | 17 Colon Gene Test | ||
| Methodology: | Next generation sequencing | ||
| CPT Codes: | 81435 x1 | ||
| Test Includes: | APC, BMPR1A, CDH1, CHEK2, EPCAM, MLH1, MSH2, MSH6, MUTYH, PMS2, PTEN, SMAD4, STK11, TP53, GREM1, POLD1 and POLE | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Fri; results are reported within 14-21 weeks. | ||
| Special Instructions: | A completed test requisition must accompany each sample. Testing requires a signed informed consent (See Associated Links). | ||
| Associated Links: | Genetic Testing Consent Form, Ambry Genetics Test Requisition |
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Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 10 mL |
| Minimum\Peds Volume: | 6 mL |
| Container: | Purple (EDTA) Alternate Containers: Yellow (ACD, Solution A) tube available from laboratory |
| Patient Preparation: | For transfusion patients: Wait at least two weeks after a packed cell or platelet transfusion and at least four weeks after a whole blood transfusion prior to blood draw. |
Processing and Shipping
| Specimen Processing: | Do not process. Store in refrigerator. |
| Shipping Instructions: | Ship overnight at room temperature. |
| Stability: | Up to 3 days at room temperature; 7 days refrigerated. |
| Test Performed at or Referral Lab | Lab Sendouts (Ambry Genetics) |
| Referral Lab number: | 8822 |
Interpretive
| Reference Range: | No mutation detected. |
| Use: | Panel for hereditary colorectal cancer. Hereditary cancer syndromes associated with genes on ColoNext include Lynch syndrome, familial adenomatous polyposis, MUTYH-associated polyposis, PTEN hamartoma tumor syndrome, hereditary diffuse gastric cancer, Li-Fraumeni syndrome, Peutz-Jeghers syndrome and juvenile polyposis syndrome. |
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