Latest updates to Ig Criteria: May 2026

The Criteria for the clinical use of immunoglobulin in Australia (the Criteria) undergoes periodic review to reflect the latest scientific evidence and expert advice from our National Immunoglobulin Governance Advisory Committee and its Specialist Working Groups.

This page summarises the changes to the Criteria which were implemented in May 2026. Changes are applied immediately to new authorisations and to existing authorisations at the next continuing treatment request, unless otherwise stated. For more information about any of these changes, please contact the Ig Governance team at IgGovernance@blood.gov.au.

Bullous pemphigoid (BP) – Version 3.1

• Clarify that other therapies must be trialled for at least 6 months before access to Ig will be permitted.
• Other minor typographical changes.

Guillain-Barré syndrome (GBS) – Version 3.3

• Reordered qualifying criteria.
• Other minor typographical changes.

Multifocal motor neuropathy (MMN) – Version 3.2

• Minor clarifying updates to qualifying criteria.
• Other minor typographical changes.

Myasthenia gravis (MG) – Version 3.2 

• Qualifying and review criteria for indication 3 (maintenance therapy) have been updated to align with the PBS requirement for complement C5 or FcRn inhibitors not to be used concurrently with immunoglobulin and vice versa
• Other minor clarifying updates to the qualifying criteria
• Inclusion of 2 new references
• Other minor typographical changes.

Paediatric autoimmune neuropsychiatric disorder associated with streptococcal infections (PANDAS) or paediatric acute neuropsychiatric disorders (PANS) – Version 3.4

• Minor typographical changes.

Pemphigus vulgaris (PV) – Version 3.2

• Minor typographical changes.

Rasmussen encephalitis – Version 3.2

• Minor typographical changes.

Relapsing remitting multiple sclerosis (RRMS) – Version 3.1

• Updated condition name (previously ‘multiple sclerosis – (MS) [relapsing remitting multiple sclerosis (RRMS)]’).
• Minor clarifying updates to qualifying criteria.
• Other minor typographical changes.

Stiff person syndrome – Version 3.2

• Minor typographical changes.

Susac syndrome – Version 3.3

• Minor typographical changes.