Item Value
Test name Para-Aminobenzoic Acid
Available Stat? No
Performed by National Medical Service via Quest
Patient Preparation Any pancreatic enzyme supplements should be discontinued for 5 days before testing of an adult, for 1 day in a child with cystic fibrosis.

An 8 hour fast before specimen collection is preferred.
Normal range > 250 mg (50%) excretion
Container type 24 hour urine collection container

Click here for Urine Preservative Requirements
Amount to Collect Entire urine output over 6 hour period
Collection Instructions The patient should be given Bentiromide after an overnight fast (500 mg for an adult or 14 mg/kg for a child) and the urine collected for the next 6 hours.

Refrigerate container during collection.
Sample type 6 hour urine

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