Stool for Leukocytes (ST WBC)
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| Synonyms:
| Stool for WBC |
| Specimen: | Stool; 1 gram or 1 mL fresh stool, PVA-preserved stool, or (1) culture swab coated with visible stool material. |
| Volume: | 5 gram or 5 mL |
| Minimum Volume: | 1 gm or 1 mL swab accepted only if sufficient quantity of feces visible |
| Collection: | Submit fresh stool specimen to the laboratory within 1 hour of collection or preserve sample in Para-Pak® PVA system. Submit culturette as soon as possible to the laboratory.
Para-Pak® PVA should be maintained at room temperature.
Stool containers, culturettes and ParaPak® systems are available from AnMed Health Laboratory Services. |
| Rejection Criteria: | Formalin fixed; Barium contamination; improper labeling. |
| Reference Range: | No WBCs seen |
| Methodology: | Trichrome stain with microscopy |
| Test Use: | Differentiation of ulcerative colitis and bacillary dysentery from amoebic colitis or viral gastroenteritis |
| Additional Information: | If STAT determination of stool WBC is needed, order gram stain rather than stool WBC |
| Testing Includes: | |
| Testing Facility: | AnMed Laboratory |