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Neurofibromatosis Type 2 DNA Sequencing Test

Test Code

11612

CPT Code(s)

81406

Preferred Specimen(s)

8 mL whole blood collected in EDTA (lavender-top) tubes, or
Pediatric volume: 2 mL

Minimum Volume

6 mL
Pediatric volume: 1 mL

Collection Instructions

Informed consent is required. Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.

Note: Higher blood volumes ensure adequate DNA quantity, which varies with WBC, specimen condition, and need for confirmatory testing. Patients, 0-3 years have higher WBC, yielding more DNA per mL of blood.

Contact lab director for alternate specimen type.

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 10 days
Refrigerated: 10 days
Frozen: Unacceptable

Methodology

Sanger Sequencing

Performing Laboratory

Athena Diagnostics, Inc.
200 Forest Street, 2nd Floor
Marlborough, MA 01752

Setup Schedule

Set up: Varies; Report available: 28-56 days

Reference Range(s)

No mutation detected

Clinical Significance

Detects sequence variations in the NF2 gene.
Diseases tested for: Neurofibromatosis Type 2

LOINC®' Code(s)

The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.

NOTE: The codes listed in the table below are not orderable Test Codes.

Result
Code
Result NameLOINC CodeComponent Name
11612Neurofibromatosis Type 2 DNA Sequencing TestPending assignment
ASTMRCVDResults Received19146-0Reference lab test results

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.