CSF for Blast Cells (Cytospin) | KK Women's and Children's Hospital

Specimen Container	EDTA Tube
Specimen Requirement	CSF: 1 mL
Specimen Storage/Transport	Send to laboratory as soon as possible after sample collection at room temperature.
Orderable as Urgent?	No
Turn Around Time	Routine: 3 - 4 hrs
Reference Value(s)	Blast Cells should not be seen in CSF of a normal healthy individual
Testing Laboratory Location	KKH
Laboratory	Haematology
Contact Number	6394 1373
Day and Time Performed	Mon – Fri: 0800 hrs– 1700 hrs Sat: 0800 hrs – 1200 hrs
Orderable on CPOE?	Yes
Downtime Form	63170-Form-1080 Haematology Laboratory Downtime Form
Additional Information	Haematologist approval is required to perform the test on highly infectious cases (confirmed / suspected). Specimens sent outside the indicated hours will be processed and reviewed on the next working day.

Change History Notes

16 Apr 2026 02:47 PM

Updated Specimen Storage/Transport
07 Feb 2023 12:00 AM

Updated Specimen Storage / Transport, Downtime Form, Additional Information.

Last Updated - 16 Apr 2026