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Test Code LEU Fecal Leukocytes, Feces

Reporting Name

Fecal Leukocytes

Useful For

Suggesting the presence of pathogens such as Salmonella, Shigella, and amebiasis

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Fecal


Specimen Required


Supplies: ECOFIX Stool Transport Medium only (T790)

Container/Tube:

Preferred: ECOFIX preservative

Acceptable: Zinc Polyvinyl alcohol (Zn-PVA) preservative

Specimen Volume: Representative portion of collection

Collection Instructions:

1. Collect a random fecal specimen.

2. Carefully follow instructions on container.

a. Place specimen into ECOFIX preservative vial OR Zinc-PVA preservative vial within 30 minutes of passage or collection. Refer to the fill line on the preservative vial. Do not fill above the line indicated on the container.

b. Mix the contents of the tube with the spoon, twist the cap tightly closed, and shake vigorously until the contents are well mixed.


Specimen Stability Information

Specimen Type Temperature Time Special Container
Fecal Ambient (preferred) 21 days PVA OR ECOFIX
  Refrigerated  21 days PVA OR ECOFIX

Reference Values

An interpretive report will be provided.

Day(s) Performed

Monday through Saturday

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

89055

LOINC Code Information

Test ID Test Order Name Order LOINC Value
LEU Fecal Leukocytes 13655-6

 

Result ID Test Result Name Result LOINC Value
LEU Fecal Leukocytes 13655-6

Report Available

4 to 6 days

Method Name

Microscopic/Trichrome Stain

Forms

If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.

Specimen Minimum Volume

5 mL