Autoimmune Cerebellar Ataxia Panel
Test code
CPT code(s)*
Test resources
Details
Includes
Yo Antibody Screen with Reflex to Titer and Western Blot
Voltage-Gated Calcium Channel (VGCC) Type P/Q Antibody
Tissue Transglutaminase (tTG) Antibody (IgA)
IgA (Immunoglobulin A)
If Yo Antibody, IFA, Serum is positive, then Yo Antibody, Western Blot, Serum will be performed at an additional charge (CPT code(s): 84181).
If Yo Antibody, Western Blot, Serum is positive, then Yo Antibody, Titer, Serum will be performed at an additional charge (CPT code(s): 86256).
If Tissue Transglutaminase (tTG) Antibody (IgA) is detected (≥15.0 U/mL), then Endomysial Antibody (IgA) Screen with Reflex to Titer will be performed at an additional charge (CPT code(s): 86231).
If Endomysial Antibody Screen (IgA) is positive, then Endomysial Antibody Titer will be performed at an additional charge (CPT code(s): 86231).
If IgA, Serum is abnormal, then tTG (IgG) will be performed at an additional charge (CPT code(s): 86364).
Methodology
Immunoassay (IA) • Immunofluorescence Assay (IFA) • Immunoturbidometry • Radiobinding Assay (RBA)
Specimen requirements | |
|---|---|
| Patient preparation | Overnight fasting is preferred |
| Preferred specimen(s) | 3 mL serum |
| Minimum volume | 1.3 mL |
| Transport container | Transport tube |
| Transport temperature | Refrigerated (cold packs) |
| Specimen stability | Room temperature: 48 hours Refrigerated: 7 days Frozen: 21 days |
| Reject criteria | Gross hemolysis • Grossly lipemic • Received room temperature • Freeze/thaw greater than 3 cycles |
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 guidance 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.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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