Aquaporin 4 Ab

Test/Investigation

Aquaporin 4 Ab

Site(s) or Laboratory offering Test/Investigation

Referral laboratory

Also Known as/Frequency of Test

NMO, AqP4, Neuromyelitis Optica Antibodies

Indications

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 (adult unless stated)

Negative