Co-GD1b Autoantibody Test

Test Code

92848

CPT Codes
83520<br>Limited Access Code

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

2 mL serum

Minimum Volume

0.5 mL

Instructions

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

Transport Container

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 72 hours
Refrigerated: 21 days
Frozen: 4 months

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Grossly lipemic • Grossly icteric

Methodology
Enzyme-Linked Immunosorbent Assay (ELISA)

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: Mon, Wed; Report available: 7-10 days

Clinical Significance

Anti-GD1b antibody is found in patients with an acute presentation of muscle weakness, areflexia, autonomic dysfunction, cranial nerve involvement.

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.