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Catecholamines, 24 hr Urine Up to and including 8-Jun-2020

Test ID: CAT U

Test

Aliases/Synonyms

BCN003

Method

Free (unconjugated)-HPLC/ECD

Report Includes

Epinephrine - Total; Epinephrine/Creatinine Ratio; Norepinephrine - Total; Norepinephrine/Creatinine Ratio

Specimens

Urine (24 hr)

Test Location

ON, CA

Test Version

4-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

4-Jun-2020

Performance / Interpretation

Method

Free (unconjugated)-HPLC/ECD

Turnaround Time

10 days

Results

Name Units Reference Range Conversion Factor
Epinephrine Total - Urine nmol/d
  • Adult: <60
µg/d x 5.46
Epinephrine/Creatinine Ratio nmol/mmol Creatinine
  • Adult: 0.0 - 7.0
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

4-Jun-2020

Interface / Setup

HL7 Interface Codes

Order Code Result Codes Units
CAT U 7601Volume L
7637Creatinine/L mmol/L
7602Creatinine/d mmol/d
7606Epinephrine nmol/d
7607Epine/Creat Ratio nmol/mmol cr
7608Norepinephrine nmol/d
7609Norepi/Crt Ratio nmol/mmol cr

Test Version

4-Jun-2020