ERNDIMQA - Neurotransmitters in CSF

Purpose: Comparison of Neurotransmitter metabolite outcome in a lab in respect to median and target values
Scientific Expert: Dr Simon Pope
Scheme Organiser: Dr. E. van der Hagen e-mail:
Analytes: Homovanillic acid (HVA), 5-hydroxyindole acetic acid (5-HIAA), 3-methyl dopa (3-MD) and 5-hydroxytryptophan (5-HTTP), HVA:5-HIAA ratio
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 ERNDIM Interactive Website
Reports: Requested from ERNDIM Interactive Website
Certificate: Once a year issued by ERNDIM Board
Number of Participants: 34 (2019)
Status of the Scheme: Pilot scheme in 2014-2015, full scheme from 2016
Geographic Area: Worldwide
Limitation Participation: None
Cost/Year: 391 EURO (2021)
How to subscribe: e-mail:
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