Specimen Stability (for laboratory use only)
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Collection Container
Slide mailer and clean container with ThinPrep CytoLyt solution
Specimen Type:
Fine needle aspirate
Minimum Specimen Volume:
2 smears,1 ethanol-fixed and 1 air-dried AND needle rinse in 10 mL of ThinPrep® CytoLyt® solution OR needle rinse in 10 mL of formalin
Collection Instructions:
For respiratory cases to be sent out, write "Attention to NUH (indicate doctor)" in red at the top of the request form.

1. Schedule rapid on-site evaluation fine-needle aspiration 1 day in advance.
2. Call the laboratory via fine-needle aspiration duty phone before the start of the procedure.
3. Cytotechnologist will attend procedure upon activation.
4. Obtain the fluid specimen by using the standard fine-needle aspiration technique from identified lesion.
5. Pass syringe to Cytotechnologist to prepare specimen for rapid on-site evaluation.
6. Cytotechnologist will pack specimen into a biohazard bag and leave it at a designated holding area for requesting location to despatch.
Unacceptable Conditions:
Specimen bottle or slide mailer without specimen label (patient name, NRIC and nature of specimen)
Specimen not in proper condition (e.g. leakage)
No specimen found in specimen bottle or slide mailer
Incorrect specimen in bottle indicated in Epic
Incorrect fixative used
Unsuitable specimen for cytopathology processing
Specimen slide(s) is or are irreparably broken
Specimen Stability:
Ambient
Fresh unfixed: 2 hours
ThinPrep® CytoLyt solution: 24 hours
ThinPrep® PreservCyt collection media: 8 days
Refrigerate
Frozen
Performance
Turn Around Time:
4 - 7 working days
Days Test Performed:
Testing Laboratory:
Woodlands Hospital Laboratory Medicine and Pathology, Anatomic Pathology
Clinical & Interpretative
Description:
Methodology:
Microscopy
Reference Interval:
N.A.
Critical Values:
N.A.