Ataxia, Comprehensive Evaluation

Test Code

93242

CPT Codes
81178, 81179, 81180, 81184, 81181, 81344, 81183, 81182, 81284, 81343, 81177, 81185, 81286, 81403, 81404, 81405 (x2), 81406 (x4), 81407, 81408 (x2), 81479<br><strong>Restricted Client Code</strong>

Physician Attestation of Informed Consent

This germline genetic test requires physician attestation that patient consent has been received if ordering medical facility is located in AK, DE, FL, GA, IA, MA, MN, NV, NJ, NY, OR, SD or VT or test is performed in MA.

Preferred Specimen

8 mL whole blood collected in an EDTA (purple-top) tube

Minimum Volume

6 mL

Transport Temperature

Room temperature

Specimen Stability

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

Methodology
Next Generation Sequencing • Repeat Expansion Detection by Polymerase Chain Reaction • Dosage Analysis • Southern Blot

FDA Status
This test was developed and its analytical performance characteristics have been determined by Athena Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Set up: Varies; Report available: 21-28 days

Reference Range

See Laboratory Report

Clinical Significance

This test includes 11 repeat expansion tests, 33 genes sequenced, and ATM deletion test that identifies variants and repeat expansions associated with all types of hereditary ataxias. This test may be useful for suspected hereditary ataxia with unavailable or inconclusive family history. Smaller panels of its components are also available.

The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.