Pathology Handbook

MAG antibodies


Myelin Associated Glycoprotein Antibodies.

Clinical Indications

Chronic sensory neuropathies.

Test Includes

Detection of IgM antibodies against Myelin associated glycoprotein.

Request Form 

Request via ICE.


Assay is performed as required.

Specific Criteria

It is essential to provide relevant clinical information.

Patient Preparation

No special preparation is required.

Turnaround Time

All samples are generally sent to referral laboratory within 3 working days of receipt in the laboratory. The assay is performed as required.


Red top tube. Gold top tube will be accepted.


7 ml


Vacutainer red top


Samples should be transported to the laboratory as soon as is practicably possible.

Lab Handling

Aliquot and store at 4-8°C prior to testing and at -20°C or below for up to 1 month after receipt.

Causes for Rejection

Unlabelled/inadequately labelled sample.

Inadequately completed request form.

Delay in sample reaching laboratory.

Reference Range

Normal Range: <1000 U/mL