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22458 Fat, Feces, Qualitative

Fat, Feces, Qualitative
Test Code: FAT
Synonyms/Keywords
Stool for Fat, Sudan Red Stain, Feces, Oil Red O Stain​
Useful For
​NOTE: For other body fluid fat requests, refer to test code TRIG-O.
Specimen Requirements
Specimen TypePreferred Container/TubeAcceptable Container/TubeSpecimen VolumeSpecimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
StoolClean Container​

Walnut-sized portion
formed stool or
1 mL liquid stool

Specimen Stability Information
Specimen Type Temperature Time
Stool​ Refrigerated​ 7 days​
Rejection Criteria
Fecal specimens submitted in Cary Blair culture transport medium
Specimens containing barium​
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Friday​ 1 day​ Oil Red O Stain
Reference Range Information
Performing Location Reference Range
Marshfield​ Negative​
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
89125​
Synonyms/Keywords
Stool for Fat, Sudan Red Stain, Feces, Oil Red O Stain​
Ordering Applications
Ordering Application Description
​Centricity ​Fat, Qual.
​Cerner ​Fat, Feces, Qualitative
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen TypePreferred Container/TubeAcceptable Container/TubeSpecimen VolumeSpecimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
StoolClean Container​

Walnut-sized portion
formed stool or
1 mL liquid stool

Specimen Stability Information
Specimen Type Temperature Time
Stool​ Refrigerated​ 7 days​
Rejection Criteria
Fecal specimens submitted in Cary Blair culture transport medium
Specimens containing barium​
Useful For
​NOTE: For other body fluid fat requests, refer to test code TRIG-O.
Reference Range Information
Performing Location Reference Range
Marshfield​ Negative​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Friday​ 1 day​ Oil Red O Stain
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
89125​
For most current information refer to the Marshfield Laboratory online reference manual.