Austin Pathology

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Anti-GAD Antibodies (CSF)

Alternate Names
Anti-Gamma Amino Decarboxylase Antibodies, Glutamic Acid Decarboxylase, Anti GAD
Test Code
CGADAB
Testing Laboratory
Referred Laboratory
Specimen Type

CSF

Container Type

Sterile CSF Tube

Medicare Rebate

Yes

Out of Pocket Costs
None
Ordering Information

CSF Anti-GAD Antibodies results must be interpreted with a paired serum Anti-GAD antibodies result. Please collect both CSF and serum for interpretation.

Anti-GAD Antibodies are only performed on CSF if serum Anti-GAD Antibodies are detected.

Collection Instructions

CSF samples should be sent to the laboratory immediately. Ensure all caps are screwed on correctly to avoid leakage.

Transport Instructions
Transport ambient at room temperature
Storage Instructions
Store refrigerated at 4°C
Testing Frequency
Fortnightly
Min Test Volume
1mL
Add On Test Suitability

This test cannot be added after 24 hours of collection.

Container ID
CSF4, CSF1, CSF2, CSF3, CR, CRS, CB, CBS
CSR Instructions

Instructions for: Regional Specimen Receptions

  • Forward sample to the Heidelberg laboratory at 4°C.

Instructions for: Heidelberg Specimen Reception

  • Place sample in the 4°C Sendout tub.

Instructions for: Regional Specimen Receptions and Heidelberg Sendaways Department

  • CSF must be sent with serum sample for (GADAB).
Laboratory Instructions

Instructions for: Metropolitan & Regional Specimen Receptions 

CSF samples should be handled urgently. 

Where there are multiple tubes from a lumbar puncture: 

  • Tube 3 is for Microbiology and 1, 2 for Biochemistry, Cytology, etc. (If tube 3 is not available for Microbiology, send tube 2) 
  • If tap is traumatic (blood-stained), 1 and 3 go to Microbiology for cell counts. 

If insufficient tubes are received for the tests requested, please contact the Medical Microbiologist or Registrar (03 9496 5964) 

External Laboratory
Endocrinology, Pathology, Melbourne Health Shared Pathology Service
Accredited Test
Yes