COVID-19 information for patients and families

To help protect our people, patients and communities, we are screening everyone who enters our main hospital buildings. Some of our entrances may be closed or have reduced access.

Please check our COVID-19 information page for more updates before coming to our sites.

Text size: a a a

Laboratory Medicine

Test catalogue

Catecholamines 24hrs Urine

Test name

Catecholamines 24hrs Urine

Plain 24 bottle Specimen Type / Requirements

Container Type = 24 hour 25 mL 6 mol/L (6N) HCl acid Bottle

Minimum Volume = 25 mL urine from mixed urine Collection

Specimen Handling

Collection Instructions: Collect urine in a container with 25 mL 6 mol/L (6N) HCl acid. It is important that the urine is refrigerated during the collection. Restrict caffeine, nicotine and alcohol 24 hR prior to collection. Discontinue Methyldopa (Aldomet) at least 5 days prior to collection. Other drugs usually do not interfere with this assay. State 24 h volume and collection date.

Write your "start" and "end" date and time of collection on the collection label or requisition.

Stability: stable for 1 month refrigerated at 2-8°C and longer frozen.

Transportation: Send sample to SMH core lab as soon as possible.

Sample Rejection Criteria: Urine collected without acid or leaking specimen will be rejected

Required Documentation

Turnaround Time (TAT)

10 Days

Test Utilization

Routine >10 Days

Reference Value

See Report

Test Code



Free (unconjugated)-HPLC/ECD

Testing Location


Other Information