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Test Code SULB Sulphonylurea, blood

Important Note

Tick as "Others" under CLINICAL INVESTIGATION on the HSA Toxicological Investigation Form, indicate the drug to be tested as Sulphonylurea.

Additional Codes

Epic Ordering Code LAB3040204
NBS code LBC10417
Service code 36837

Specimen Requirements

Submit the following:
 

Container:
Dark Green top (Li Heparin) with seal

Send the completed and signed copy Toxicological Investigation Form together with the specimen

Processing Requirements

Specimen Type: Whole Blood
Volume: Full Tube
Storage/transport requirements: Refrigerated

Specimen Stability

Specimen Type Whole Blood
Ambient 1 day
Refrigerate 4 days (Preferred)
Frozen Not available

Days and Times Performed

Monday through Friday, TAT 20 - 22 days

Reference Interval

An interpretive report will be provided.

Update

Last updated 06/08/2026

Referring / Testing Laboratory

National University Hospital
Client Services, 67724912

 

Testing Laboratory
Analytical Toxicology Laboratory
Health Science Authority
11 Outram Road
Singapore 169078
Tel: 62130740