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General |
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| Clinical Use: | GABA-R-B1/B2 antibodies are associated with a rare form of autoimmune limbic encephalitis. Seizures, cognitive dysfunction and behavioural abnormalities are the main clinical manifestations. | |||||||||
| Availability: | This test is performed weekly. | |||||||||
| Aliases/Synonyms: | Anti-GABA Receptor antibody (CSF), GABA Abs (CSF), GABAR Abs (CSF), Gamma-Amino Butyric Acid Antibody (CSF), | |||||||||
| Code: | GABAC | |||||||||
| Handling Instructions (to laboratory): | Samples from the Perth metro area may be transported chilled. Samples from regional or external labs should be stored and transported frozen. |
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| Hyperlink: | https://pathwest.health.wa.gov.au/~/media/PathWest/Documents/Our-Services/Clinical-Services/Immunology/Testing-for-Neuroimmunology-Conditions-at-PathWest-Laboratory-Medicine.pdf | |||||||||
| Reference Interval: |
Refer to report or laboratory. |
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Collection Requirements |
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| Container: | CSF Tube 1 (CSF1), | |||||||||
| Sample Type: | CSF | |||||||||
| Minimum Collection Volume: | 200µl | |||||||||
| Collection Instructions: | ||||||||||
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Processing Requirements |
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| Alternate Containers: |
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| Processing Instructions: | This test is usually performed in parallel with AMPA-R antibodies. | |||||||||
| Minimum Assay Volume: | 200µl | |||||||||
| Stability: | ||||||||||
| Transport Instructions (to testing laboratory): | Send sample chilled if sample will be received at QEII within 24hrs of collections. Samples delayed >24hrs should be frozen. |
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Testing Locations |
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| Performed at: |
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Last Updated : 04-03-2026 13:58 |
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