Test Code CMAPT Chromosomal Microarray, Tumor, Formalin-Fixed Paraffin-Embedded
Additional Codes
| Hospital Order Code |
| Lab2608 MISMGO |
Useful For
Genomic characterization of tumor for copy number imbalances and loss of heterozygosity
Assisting in the diagnosis and classification of malignant neoplasms
Evaluating the prognosis for patients with malignant tumors
Method Name
Chromosomal Microarray (CMA)
Reporting Name
Chromosomal Microarray, Tumor, FFPESpecimen Type
VariesOrdering Guidance
This test is not performed on fresh tissue specimens. If testing is needed for fresh tissue specimens, order CMAT / Chromosomal Microarray, Tumor, Fresh or Frozen.
If a fresh tissue specimen is submitted, this test will be canceled and CMAT will be performed and charged.
Necessary Information
A reason for testing and pathology report are required for testing to be performed. Send information with specimen. Acceptable pathology reports include working drafts, preliminary pathology or surgical pathology reports.
Specimen Required
Submit only 1 of the following specimens:
Specimen Type: Tissue
Container/Tube: Formalin-fixed, paraffin-embedded tumor tissue block
Specimen Type: Slides
Specimen Volume: 10 Consecutive, unstained, 5-micron-thick sections placed on positively charged slides and 1 hematoxylin and eosin-stained slide
Specimen Minimum Volume
See Specimen Required
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Varies | Ambient (preferred) | |
| Refrigerated | ||
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Day(s) Performed
Monday through Friday
Report Available
10 to 21 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
81277
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| CMAPT | Chromosomal Microarray, Tumor, FFPE | 94087-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 54735 | Result Summary | 50397-9 |
| 54736 | Result | 62356-1 |
| 54737 | Nomenclature | 62378-5 |
| 54738 | Interpretation | 69965-2 |
| CG908 | Reason for Referral | 42349-1 |
| 54744 | Specimen | 31208-2 |
| 54739 | Source | 31208-2 |
| 54740 | Tissue ID | 80398-1 |
| 54741 | Method | 85069-3 |
| 53425 | Additional Information | 48767-8 |
| 54742 | Released By | 18771-6 |
Special Instructions
Forms
If not ordering electronically, complete, print, and send an Oncology Test Request (T729) with the specimen.