AQP4
Preferred Sample Type
Suitable Specimen Types
- Serum
4 mL
Specimen Transport
1st class post overnight to referral laboratorySample Stability
Stored at 4CAquaporin 4 antibodies (AQP4)
General Information
Antibodies directed against the Central nervous system water channel protein Aquaporin 4 (AQP4) have been found in the demyelinating disease Neuromyelitis Optica (NMO) as well as its spectrum disorders (NMOSD), which affect in particular the optical nerve and spinal cord. Detection of AQP4 antibodies allows discrimination from multiple sclerosis its most important differential diagnosis.Patient Preparation
No special preparation required
Reference Range
Normal result is negative
Source of Reference Range
Provided by reference laboratorySpecifications
- EQA Scheme?: No
- EQA Status: No EQA scheme currently available.