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CERNER / EPIC MNEMONIC / CPT CODE / CDM NUMBER / TURNAROUND TIME / CONTAINER TYPE / COLLECTION / SPECIMEN REQUIREMENTS / REJECTION CRITERIA / MINIMUM VOLUME / REFERENCE RANGE / LIMITATIONS OF TEST / METHODOLOGY / REFERRAL LABORATORY / LAST UPDATED / TEST SYNONYM(S)

Fecal Leukocytes (View in report form.)

CERNER / EPIC MNEMONIC:

Q/WBC

CPT CODE:

89055-90

CDM NUMBER:

3181498

TURNAROUND TIME:

Preliminary reports available 3 to 6 days, complete reports may require an additional 2-4 days.

CONTAINER TYPE:

Stool Zn-PVA or Total Fix container

COLLECTION:

The specimen should be collected directly into the plastic feces specimen container or into a bedpan, avoiding contamination with urine or water. Transfer the feces from the bedpan into the EcoFix container for delivery to the laboratory.

SPECIMEN REQUIREMENTS:

5 g Stool in Zn-PVA or Total Fix container

REJECTION CRITERIA:

Stool not received in EcoFix container.

MINIMUM VOLUME:

5 grams stool

REFERENCE RANGE:

See Specialty Laboratory - Search for test code 3930X

LIMITATIONS OF TEST:

Leukocyte analysis is useful for the differentiation of bacillary dysentery, demonstrating a preponderance of polymorphonuclear (PMN) leukocytes over mononuclear leukocytes. The PMN cells exhibit clear-cut ring nuclei with evidence of toxic necrosis of cells and degenerative changes. The absence of leukocytes does not rule out invasive bacterial diarrhea. If samples are collected too early in the acute phase of the disease, it may result in negative screens.

METHODOLOGY:

Light microscope

REFERRAL LABORATORY:

Specialty Laboratory

LAST UPDATED:

5-22-2014


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