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Test Code 098 Reducing Substance, Fecal

Additional Codes


PowerChart: Reducing Substance Feces

Epic: LAB442 Reducing Substance, Stool

MA Cerner: Reducing Substance, Fecal.

Test Method

Benedict’s Copper Reduction Reaction;Clinitest, Bayer

Specimen Requirement

Fecal specimen is required.

Additional Specimen Collection Information

Collect a fresh 4-5 gram stool specimen (uncontiminated by urine) in a sterile container. Label the specimen appropriately with two identifiers, patient name and another identifier, (patient ID number, DOB, etc.) include date and time of collection. Transport the specimen to the laboratory as soon as possible after collection. The specimen may be refrigerated for up to 4 hours prior to analysis. Bring the specimen to room temperature prior to analysis.


Performed Monday through Sunday

Typically completed within 4 hours after the specimen arrives at the testing site.

Reference Values

Negative or Trace

CPT Code Information

84376 Chemistry: Sugars; single qualitative, each specimen

Useful For

Diagnosing intestinal malabsorption in children

Assisting in the differentiation between osmotic and nonosmotic diarrhea

Screening test for:

Diarrhea from disaccharidase deficiencies, (eg, lactase deficiency)

Monosaccharide malabsorption

LOINC Code Information

11060-1 Reducing Substances [Presence] In Stool