Skip to main content

Please note that this is a beta version of our website. Should you encounter any bugs, glitches, lack of functionality or other problems on the website, please let us know immediately so we can rectify these accordingly. Your help in this regard is greatly appreciated! You can email us.

Login to North West London Pathology – consumables service

If you need a new account or you have a query about your order, please telephone the pathology call centre on 0203 313 5353.

If you have forgotten your password you can reset this yourself. Please click here if you have forgotten your password.

Results Line and Enquiries

0203 313 5353

Encephalitis Antibodies

Category Immunology
Test background

Voltage gated potassium channel antibodies are seen in neuromyotonia.
NMDA-R, LGI1 , CASPR, AMPA1/2, GABAB antibodies.

Clinicial Indications

Presentation of muscle cramps, myotonia-like symptoms, excessive sweating, myokymia and fasciculations Diagnosis of Morvan's syndrome (sleep disorders, memory loss and confusion)

Reference range

Normal = 0 – 69 pmol/L

Equivocal = 70-130 pmol/L

Positive = >130 pmol/

Sample & container required RST (rust top), Gel SST (yellow top), Can also be performed on CSF
Sample volume 5-10 mL (2 mL serum)
Turnaround time 28 days
Notes

Not currently performed in house; this test is referred to the University Hospital, Birmingham.