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HelpTest Code GBACC Gamma-Amino Butyric Acid Type A (GABA-A) Receptor Antibody by Cell Binding Assay, Spinal Fluid
Specimen Required
Container/Tube: Sterile vial
Specimen Volume: 1 mL
Useful For
Evaluating patients with suspected autoimmune encephalitis and autoimmune epilepsy
Method Name
Cell Binding Assay (CBA)
Reporting Name
GABA-A-R Ab CBA, CSFSpecimen Type
CSFSpecimen Minimum Volume
0.4 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| CSF | Refrigerated (preferred) | 28 days | |
| Frozen | 28 days | ||
| Ambient | 72 hours |
Reference Values
Negative
Day(s) Performed
Monday through Sunday
Report Available
5 to 10 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
86255
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| GBACC | GABA-A-R Ab CBA, CSF | 103715-9 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 620231 | GABA-A-R Ab CBA, CSF | 103715-9 |
Forms
If not ordering electronically, complete, print, and send a Neurology Specialty Testing Client Test Request (T732) with the specimen.