Fecal Leukocyte


Sunquest Code:FLK  
Epic Code:LAB265Epic Name:Leukocyte Stool
Synonyms:Gram Stain, Stool; Stool Smear for White Cells; Fecal WBC; FLK; Tammocor
Methodology:Gram smear
CPT Code:89055
Test Includes:Smear and semi-quantitation of leukocytes in stool.
Turnaround Time:Performed 24 hours/day; results are reported within 4 hours.
Associated Links:

IDDL Stool Collection Container Guidelines



Collection Instructions

Specimen:Feces, fresh diarrheal stool specimen, especially with blood or mucus.
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  (Fairview Range - FRMC, UMMC-East Bank, Fairview Ridges - FRH)


Interpretive

Reference Range:No fecal leukocytes seen.
Use:Differential diagnosis of diarrheal disease.


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