Toxicology - Flecainide TDM | KK Women's and Children's Hospital

Specimen Container	Red top tube (To be obtained from DPLM Client Services, after office hour call extension 1352)
Specimen Requirement	Whole blood: 3 mL Spin down & aliquot immediately
Specimen Storage/Transport	Send serum only at room temperature. To indicate on form "specimen submitted as serum".
Orderable as Urgent?	No
Turn Around Time	Routine: 18 days Urgent request: 2 days (refer to additional information for details)
Reference Value(s)	Therapeutic range for serum / plasma flecainide in children: 0.2 - 0.50 µg/ml; in some cases, up to 0.8 µg/ml may be required. Adult: 0.2 - 1 µg/ml
Testing Laboratory Location	HSA
Laboratory	Analytical Toxicology Laboratory
Contact Number	6394 1352
Day and Time Performed	Tuesday
Orderable on CPOE?	Yes
Downtime Form	HSA-Form
Additional Information	Please indicate "Flecainide TDM for therapeutic drug monitoring" and STAT for urgent request on hardcopy HSA-Form. For urgent processing or after office hour, contact Toxicology Laboratory, Dr Yao Yi Ju at 9435 6274. Please inform KKH DPLM at 6394 1354 once confirmed to send specimen after office hour for transport arrangement. Request form and all specimen containers MUST have CPOE Test label / Patient Info label. KKH logo seal must be signed over with Dr’s signature and MCR no. and placed on both the request form and specimens. Please print labels to paste on all specimens and refer to labelling requirements.