Test Code WBC WBC SMEAR, STOOL
Performing Location
Method
Gram Stain or Methlene Blue prep & Microscopic exam
Specimen Type
Stool
CPT
89055
LOINC
13655-6
Specimen Required
Fresh stool, no more than one (1) hour old.
Specimen Minimum Volume
1.0 gram
Reference Values
NO FECAL LEUKOCYTES SEEN
Day(s) Performed
Daily upon arrival
Collection Instructions
- 
Collect stool sample in clean, dry container. Deliver to lab within 1 hour.
 - 
If rectal swab must be used to collect specimen DIRECT SMEAR SHOULD BE MADE IMMEDIATELY after specimen collection.
 - 
Pass the tip of the sterile swab approximately 1 inch beyond the anal sphincter.
 - 
Gently rotate the swab to sample the anal crypts, then withdraw swab.
 - 
Roll the swab over a microscope slide, making a thin area about the size of a quarter in the center of the slide. ALLOW SLIDE TO DRY BEFORE placing in slide holder.