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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

UCAT

Methodology

Free (unconjugated)-HPLC/ECD

Testing Location

SMH-Biochemistry

Other Information