UCSF Navigation Bar

UCSF Departments of Pathology & Laboratory Medicine Home Page

Lab Manual for UCSF Clinical Laboratories

Lab Manual for SFGH

Internal Resources

Click here for more information about laboratory operations and procedures

If you have additional questions regarding this test, please call: 415-353-1667

Search Our Test Menu

Reducing Substances, urine

Item Value
Approval req'd? No
Available Stat? No
Test code RSUU
Test group Reducing substances
Performed by Parnassus Hematology
In House Availability Run 0800-1600 daily.
Method copper reduction
Container type Urine cup
Amount to Collect See preferred volume
Sample type Random urine
Preferred volume 1 mL urine
Normal range Negative
Synonyms Reducing sugars; Acid hydrolysis
Turn around times 1 day.
Additional information Detects reducing substances in addition to glucose, which is tested as part of Urinalysis, Routine. Detection of these substances is also part of the Metabolic Error Screen.

Note: Routine urinalysis in pediatric patients does not include testing for reducing substances, such as sugars galactose, lactose, fructose and maltose. If clinically indicated, this screening test for reducing substances may be ordered. Testing for congenital galactosemia is included in newborn screening programs in all 50 states in the U.S.
LOINC code 5809-9
Last Updated 5/13/2013 8:45:57 AM
Entry Number 814
UCSF home page UCSF home page About UCSF Search UCSF UCSF Medical Center