MDL Snapshot Glioma Pnl (SGP)

Department: Molecular Diagnostics
Test Synonym(s): LAB5661, SNaPshot Glioma
CPT Codes: 81120, 81121, 81210
Methodology: Multiplex PCR/Multiplex base extension using the ABI SNaPshotTM methodology; Laboratory Developed Test
Specimen: Paraffin embedded tissue block or Cytology specimen (preferred). Required tumor burden 15%, please include surgical pathology report
Alternate Specimen: 5 unstained 10 micron slides or 10 unstained 5 micron slides (2 sections per slides)
Temperature: Room temperature
Stability: Indfinitely
Reasons for Rejection: Insufficient tumor in tissue; Decalcified tissue - (May or may not yield interpretable results and is dependent on the degree of fixation during processing. An alternate tissue specimen is suggested if available.)
Days Performed: 1 time per week, variable days
Times Performed: Batched
TAT: 12 days
Significance: Analysis of 19 common mutations in 3 genes (IDH1/IDH2/BRAF) to assist in diagnosis and determine treatment
Special Instructions: Call or email the Molecular Diagnostics Laboratory at 615-343-8121 or moleculardiagnosticlab@vumc.org if assistance is needed for specimen submission or if the patient has received a transfusion in the prior 2 weeks or has a history of a stem cell transplant.

---

Search Help

---

Search Options for the Test Directory:

1. Enter the test name in the Keyword search field.
Hint: You can also enter any part of the test name to expand the search.
(Example: you can type "west" or "sed" or "rate" to find Westergren Sedimentation Rate)

2. Enter the Vanderbilt Test Code, if known.

3. Choose one of the letter boxes to display a list of all test names and keywords starting with that letter.

If you are unable to find a test in our directory, please contact VPLS at
1-800-551-5227 or e-mail emily.k.thompson@vumc.org.