Pathology Handbook

Recent changes for GABA(B) autoantibodies
Date	Field	Changed From	Changed To
2nd September 2026	Alternative names	Gamma- amino-butryic acid b1/B2 receptors antibodies, GABAB, GABAABCSF	Gamma- amino-butryic acid b1/B2 receptors antibodies, GABAB, GABAABCSF, Encephalitis Ab

Alternative Names:

Gamma- amino-butryic acid b1/B2 receptors antibodies
GABAB
GABAABCSF
Encephalitis Ab

Laboratory:

Haematology

Test Code:

GABAB, GABAABCSF

Specimen Types:

Serum
Cerebrospinal Fluid

Container Types:

Plain tube - serum (no Gel)

Adults Volume or Mass:

5 mL

Collection & Request Instructions:

Only by consult with Lab Haematology Registrar

Transport Instructions between Sites and/or Laboratories:

Room Temperature

Assay Frequency:

Monthly

External Laboratory:

Pathology Queensland- RBWH Campus