Reducing substances - faeces
Last updated: Thursday, 25, March, 2004
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| Item | Process |
|---|---|
| Specimen | 5 g faeces. |
| Method | Spot test; chromatography. |
| Reference Interval | Negative. |
| Application | Diagnosis of sugar intolerance:lactose, sucrose or glucose/galactose. Although the test is usually done with faecal pH measurement the latter does not provide any additional useful diagnostic information. |
| Interpretation | A positive result indicates reduced digestion or absorption of one or more sugars. False negatives occur eg, if the offending sugar has not been ingested recently. |
| Reference | Kerry KR and |