Fecal Leukocyte
| Abbrev Code: | FLK | ||
| Order Code: | LAB265 | Order Name: | Leukocyte Stool |
| Synonyms: | Gram Stain, Stool; Stool Smear for White Cells; Fecal WBC; FLK; Tammocor | ||
| Methodology: | Gram smear | ||
| CPT Codes: | 89055 x1 | ||
| Test Includes: | Smear and semi-quantitation of leukocytes in stool. | ||
| Turnaround Time: | Performed 24 hours/day; results are reported within 4 hours. | ||
| Associated Links: | |||
Collection Instructions
| Specimen: | Feces, fresh diarrheal stool specimen, especially with blood or mucus. |
| Container: | Plastic Leakproof Container or Sterile Stool Transport Vial |
| Causes for Rejection: | Specimen contaminated with water or urine; specimen containing barium, oil, Metamucil, sample received in preservative, formed stool. |
| Contraindications: | False negative test may occur if patient is on antibiotics. |
Processing and Shipping
| Specimen Processing: | Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. Must arrive within 24 hours. |
| Test Performed at or Referral Lab | Infectious Diseases Diagnostic Laboratory (Northland, Range, UMMC East Bank) |
Interpretive
| Reference Range: | No fecal leukocytes seen. |
| Use: | Differential diagnosis of diarrheal disease. |
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