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Test Code WBC White Blood Cell Smear, Stool

Important Note

Do not submit specimen in Cary-Blair Media. Stool must be <1 hour old. Avoid contamination with urine.

Performing Location

Southwestern Vermont Medical Center

Specimen Collection Information

Specimen  Min. Test Volume Collection Container Special Handling
Stool 2g Sterile, screw-capped container Do not refrigerate

Reference Ranges & Critical Values

Assay Gender Age Range Normal Range Critical Values Units
WBC ALL 0 Minutes – 150 Years No fecal leukocytes seen    

Collection Instructions

  1. Collect stool sample in clean, dry container. Deliver to lab within 1 hour.

  2. If rectal swab must be used to collect specimen DIRECT SMEAR SHOULD BE MADE IMMEDIATELY after specimen collection.

  3. Pass the tip of the sterile swab approximately 1 inch beyond the anal sphincter.

  4. Gently rotate the swab to sample the anal crypts, then withdraw swab.

  5. 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.

Specimen Stability

<1 hour 15-26°C

Day(s) Performed

Monday - Sunday

CPT

89055

LOINC

13655-6