Back to Test Catalogue

Catecholamines, 24 hr Urine Effective 9-Jun-2020

Test ID: CAT U

Test

Aliases/Synonyms

BCN005

Method

LC-MS/MS

Report Includes

Volume; Creatinine/L; Creatinine/d; Epinephrine; Epinephrine/Creatinine Ratio; Norepinephrine; Norepinephrine/Creatinine Ratio

Specimens

Urine (24 hr)

Test Location

ON, CA

Test Version

10-Jun-2020

Specimen

Specimens

Urine (24 hr)

Sample Volume

25 mL

Patient Preparation

Restrict caffeine, nicotine and alcohol 24 hours prior to collection. Discontinue Methyldopa (Aldomet) at least 5 days prior to collection. Other drugs usually do not interfere with this assay.

Collection & Handling

Collection Instructions

Collect urine in a container with 25 mL 6 mol/L (6N) HCl. The final pH must be maintained from 2 - 4.

Additional Information

State 24 hour volume and collection date. A separate specimen is required if Metanephrines are ordered as well.

Test Version

10-Jun-2020

Performance / Interpretation

Method

LC-MS/MS

Turnaround Time

7 days

Results

Name Units Reference Range Conversion Factor
Volume L
Creatinine/L mmol/L
  • None
Creatinine/d mmol/d
  • 7.0 - 15.0
Epinephrine Total - Urine nmol/d
  • Adult: <150
µg/d x 5.46
Epinephrine/Creatinine Ratio nmol/mmol Creatinine
  • <20
µg/mg Creatinine x 617
Norepinephrine Total - Urine nmol/d
  • Adult: <600
µg/d x 5.91
Norepinephrine/Creatinine Ratio nmol/mmol Creatinine
  • Adult: <70
µg/mg Creatinine x 669

Test Location

ON, CA

Test Version

10-Jun-2020

Interface / Setup

HL7 Interface Codes

Order Code Result Codes Units
CATF U 7601Volume L
7637Creatinine/L mmol/L
7602Creatinine/d mmol/d
63400Epinephrine nmol/d
63401Epine/Creat Ratio nmol/mmol creat
63402Norepinephrine nmol/d
63403Norepi/Crt Ratio nmol/mmol creat

Test Version

10-Jun-2020