Faecal Reducing Substances


Faecal reducing substances is used for the investigation of carbohydrate malabsoption in primary disaccharidase deficiency, secondary to immature Gi tract or intestinal disease.

Request a test

To request this test please send sample with a request providing patient ID (three identifiers), specimen information, assay required, relevant clinical details and sender information. Before sending sample please read details on requesting and labelling by clicking on the link. Please also refer to any additional information provided for this test.

Additional information

Must arrive in lab within 30 minutes of collection and frozen at -20�C.

Sending address

Chemical Pathology Reception
Level 1, Camelia Botnar Building
Great Ormond Street Hospital
Great Ormond Street

Laboratory service

Chemical Pathology

Sample requirements

Stool (minimum 1 g) collected into a sterile container without preservative.

Reference range

Not applicable

Turnaround time

1 - 2 weeks

Disease / group

Disorders of intestinal carbohydrate absorption, transportation or metabolism


Upon request

Call in advance?

Not required

Chemical Pathology

The Chemical Pathology Laboratory provides an extensive range of services covering both routine biochemistry and specialised analysis and interpretation.

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