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HelpTest Code LEU Fecal Leukocytes, Feces
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
FecalSpecimen 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
CPT Code Information
89055
Report Available
4 to 6 daysReject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Method Name
Microscopic/Trichrome Stain
Forms
If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.
Secondary ID
8046Specimen Minimum Volume
5 mL