Aquaporin 4 Ab

Test investigation

Aquaporin 4 Ab

Laboratory offering test

Referral laboratory

Also known as/Frequency of test

NMO, AqP4, Neuromyelitis Optica Antibodies


Antibodies to AQP4 are found in >80% of patients with Neuromyelitis Optica and around 50% of patients with longitudinally extensive transverse myelitis.

Comments precautions

See also anti-MOG antibody. Referred outside of EPA

Sample type

Serum, EDTA, Heparin CSF

Turnaround times (TAT) Urgent/Routine/GP or OPD

4 weeks

Reference intervals