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Test Category: Immunology

Investigation Name:Aquaporin 4 (AQP4) Antibodies

Alias or Abbreviation:AQP4, NMO

Intro:

Indication:
Neuromyelitis optica or Devic’s disease.
Further information:
Aquaporin 4 (AQP4) is the major autoantigen in neuromyelitis optica (NMO or Devic's disease). Antibodies to AQP4 are found in >80% of NMO patients and around 50% of patients with longitudinally extensive transverse myelitis. They are infrequent in patients with optic neuritis without spinal cord involvement.

Pathology Laboratory:Immunology Laboratory

Requestable Seperately?Yes

Minimum Sample Volume:1 mL

Expected Turnaround Time:21 working days

Test Code:AQUS

Sample Type:

Serum Gel Tube (Gold top)

Complex Reference Range:Positive/ Negative

Collection Conditions / Other Information:Aquaporin 4 (AQP4) is the major autoantigen in neuromyelitis optica (NMO, or Devic's disease). Antibodies to AQP4 are found in >80% of NMO patients and around 50% of patients with longitudinally extensive transverse myelitis.
They are infrequent in patients with optic neuritis without spinal cord involvement. Patients with AQP4 antibodies are at risk of relapsing and immunosuppressive treatment is currently recommended.

Reference Laboratory Details:Immunology Department, Medical School, Birmingham

Referred to Another Laboratory?Yes

Storage Requirements:Ambient temperature

Posting Address / Requirements:1st class post/ Trust transport

Lead Contact Details:Contact for clinical querie: rwh-tr.bcpsimmunologyclinicalqueries@nhs.net

Email Address For Chasing Results:rwh-tr.ImmunologyLab@nhs.net

Site Sample Tested:New Cross Hub laboratory

Contact Number:01902 695 279 or Ext 85279