Cytology, Impression Cytology 
Alternate Test Names
Conjuntival Impression; Corneal Impression; Cytology, Conjunctival Impression; Limbal Impression 
PLS Test Code
cyt 
Laboratory
Cytology (Anatomical Pathology) 
Specimen
Impression Cytology 
Analysis Performed On
 
Container
Millipore filter (cellulose acetate filter). 
Container Colour
 
Multiple Specimens
 
Required Volume Adult (mL)
 
Req Vol Paediatric (mL)
 
Reference Ranges
 
Turnaround Time Routine
2 Days 
Turnaround Time Urgent
2 Hours 
Turnaround Other
 
Days test is performed
Daily Monday to Friday 
Transport
Keep at room temperature 
Special Requirements
Collection filter and container available from cytology. Rapid and Thorough fixation is CRUCIAL. 
Patient Preparation
N/A 
Collection Instructions
Collected by referring cllinician. Remove the filter attached to the plastic cylinder from the sterile packet. Snap off the three tiny legs of plastic from the plastic cylinder. Holding the plastic cylinder, press the filter firmly on the eye for several seconds until the filter becomes transparent. Place the cylinder with the filter attached immediately in a 50ml specimen collection pot containing 95% alcohol, hold the filter under the alcohol for a few seconds. All relevant clinical information should be written on the complete and signed request form. 
Clinical Information
 
Sent to Reference Laboratory
No 
Ref Laboratory Name
 
Estimated Patient Fee
N/A 
Last Updated
25-Aug-2006  (Version:1.00 )

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