Neurotransmitters in CSF

Purpose: Comparison of Neurotransmitter metabolite outcome in a lab in respect to median and target values
Scientific Expert: Prof Simon Heales and Dr Simon Pope
Scheme Organiser: Dr. C. Weykamp, e-mail:
Analytes: Homovanillic acid, 5-hydroxyindole acetic acid, 3-methyl dopa and 5-hydroxytryptophan
Number of Specimens/Year: 8
Matrix of the Specimens: A mixture of spiked/diluted lyophilised cerebrospinal spinal fluid (CSF) and artifical CSF
Volume/Specimen: 500µl/vial
Number of Shipments/Year: One shipment of 8 specimens in February
Submission of Results: Via Results Website
Reports: Requested from ERNDIM Interactive Website
Certificate: Once per year
Number of Participants: 31 (2018)
Status of the Scheme: Pilot scheme in 2014-2015, full scheme from 2016
Geographic Area: Worldwide
Limitation Participation: None
Cost/Year: 354 EURO (2019)
How to subscribe: Dr. Sara Gardner, e-mail:
Annual report:

Click here for the annual report