Sulphonylureas
Plain Red top tube ONLY. Do not use gel tubes for this assay.
Sendaway - Biochemistry
Referred to external laboratory.
LabPlus
http://testguide.adhb.govt.nz/EGuide/?elv=1&name=Sulphonylurea%20Drug%20screen&pn=2104&mn=1036&sd=3&ts=14cb0734813
SULPH