ARUP Test Catalog
ARUP Consult Guide
Lab Tests Online
 
Reducing Substances, Urine

Mnemonic:    [U Red Sub]
Name:    Reducing Substances, Urine
Specimen:    1 mL urine from a random collection.
Performed on all urinalysis specimens from children 6 months and under.
Reference Range:    Negative
Critical Range:    = 1+ in neonates
  Method:    Copper Sulfate Reaction
Note:    Reducing substance is automatically added to all urinalysis specimens for children less than 6 months of age.