Urine Timed: Collect in a container PRE-ACIDIFIED with Amidosulfuric acid powder. Obtain from Core Lab with a collection kit (funnel and container). See SPECIAL REQUIREMENTS BELOW

SPECIAL REQUIREMENTS: Pre-acidified container with Amidosulfuric Acid powder to be prepared just prior to issue by Core Laboratory. Caution: Acid is corrosive. Ensure patient / carer understands risk associated with acid - use interpreter services if required.

Lab Notes: Container Preparation: The amount of amidosulfuric acid powder to be added to the container depends on the age of the patient. See SR-P-007

RWH Adult: 10g in 4L container.

RCH: > 5 years of age: 5g in 2L container; <5 years of age, 3g in 2L container. Attach all age and caution labels to the container. Pre-weighed vials stored in corrisives cabinet.

Post Collection: Check pH and adjust with 6M HCl for final pH 2-3.

If initial pH less than 2, consult with Biochemistry Senior Scientist who will contact Dr and prepare a container specific for that patient.

As requested