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Test Code FRS Reducing Substances, Feces

Additional Codes

EMR Interface Order Code: 08975

Collection Container

Plastic stool container with lid

Specimen Required

Stool

Specimen Volume

Entire collection

Minimum Specimen Volume

2 grams

Special Handling Instructions

Transport specimen to the laboratory immediately

Transport Temperature

Refrigerate

Methodology

Clinitest

Reference Ranges

0.25 g/dL (1/4%) to 0.5 g/dL (1/2%) are regarded as suspicious.
Readings >0.5 g/dL indicate abnormal amounts of reducing
substance.

Turnaround Time

24 hours

Day(s) and Time(s) Performed

Test performed daily

Additional Information

Bacterial fermentation may give falsely low results if specimen
is not analyzed within 1 hour In the neonatal period, high
Clinitest results may be observed

CPT Code

84376