ERNDIMQA - Special Assays in Dried Blood Spots

Purpose: To provide an EQA scheme to be used when monitoring patients with IMDs using dried blood spot samples
Scientific Expert: Dr. Rachel Carling, e-mail:
Scheme Organiser: Dr. E. van der Hagen e-mail:
Analytes: Allo isoleucine, C0 (Free Carnitine), Homocysteine, Isoleucine, Leucine, Methionine, NTBC (Nitisione), Phenylalanine, Succinylacetone, Tyrosine and Valine
Number of Specimens/Year: 12 (2020)
Matrix of the Specimens: Haemolysed whole blood dried on filter paper
Volume/Specimen: The volume is determined by the diameter of the dried blood sample
Number of Shipments/Year: One shipment of 10 specimens in February
Submission of Results: Via Results website
Reports: Requested from ERNDIM Interactive Website
Certificate: Once a year issued by ERNDIM Board
Number of Participants: 88 (2019)
Status of the Scheme: Pilot scheme in 2017-2018, full scheme from 2019
Geographic Area: Worldwide
Limitation Participation: None
Cost/Year: 248 EURO (2021)
How to subscribe: e-mail:
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