II. Indications
III. Technique
- Add 1 drop saline to stool
- Stains
- Wright stain
- Methylene blue stains viable cell's nuclei
IV. Interpretation
- Numerous Fecal Leukocytes (suggests invasive inflammatory Bacterial Diarrhea)
- Variable Fecal Leukocytes
- Salmonella typhimurium (non-typhoid)
- Yersinia enterocolitica
- Vibrio parahaemolyticus
- Clostridium difficile
- Mycobacterium tuberculosis
- Aeromonas
- Plesiomonas shigelloides (Aeromonas shigelloides)
- Absent Fecal Leukocytes absent
V. Efficacy: For identifying a Bacterial Diarrhea
- Similar efficacy to occult blood stool test as a marker of Bacterial Diarrhea
- Test Sensitivity: 50-80%
- Test Specificity: 83%
Images: Related links to external sites (from Bing)
Related Studies
Concepts | Laboratory Procedure (T059) |
CPT | 89055 |
English | LEUKOCYTE ASSESSMENT FECAL, Leukocyte assessment fecal, LEUKOCYTE ASSMT FECAL QUAL/SEMIQUANTITATIVE, Leukocyte assessment, fecal, qualitative or semiquantitative |