EDTA tubes are suitable for insulin and C-peptide measurement in resource-limited settings and can be stored at room temperature for up to 24 hours
M. V. Nathan, Rogers Mukasa, Isaac Sekitoleko, Priscilla A. Balungi, Ronald Makanga Kakumba, Terry A. Ongaria, Hubert Nkabura, Moffat Nyirenda, Anxious Jackson Niwaha, Wisdom P. Nakanga
This study shows that K2EDTA tubes allow stable insulin and C-peptide measurements at room temperature for up to 24 hours without immediate centrifugation.
PLoS ONE · Jun 30, 2025Peer-reviewedBiochemistry