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Catecholamines LC-MS/MS, Random Urine

Test ID: CATFRU

Test

Method

LC-MS/MS

Report Includes

Epinephrine; Epinephrine/Creatinine Ratio; Norepinephrine; Norepinephrine/Creatinine Ratio

Specimens

Urine (Random)

Test Location

St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8

Test Version

26-Jan-2023

Specimen

Specimens

Urine (Random)

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

Acidify aliquot 6 mol/L (6N) HCl. The final pH must be maintained from 2 – 4.

Handling Information

Store and send cold or frozen.

Additional Information

Indicate random collection.

Stability

Refrigerated 1 month
Frozen Over 1 month

Test Version

26-Jan-2023

Performance / Interpretation

Method

LC-MS/MS

Turnaround Time

7 days

Results

Name Units Reference Range Conversion Factor
Creatinine mmol/L
  • None
Epinephrine nmol/L
  • None
Epinephrine/Creatinine Ratio nmol/mmol Creatinine
  • <20
µg/mg Creatinine x 617
Norepinephrine nmol/L
  • None
Norepinephrine/Creatinine Ratio nmol/mmol Creatinine
  • <70.0
µg/mg Creatinine x 669

Test Location

St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8

Test Version

26-Jan-2023

Interface / Setup

HL7 Interface Codes

Order Code Result Codes Units
CATFRU 28004Creatinine Rand Urine mmol/L
63396Epinephrine Random nmol/L
63397Epine/Creat Ratio Random nmol/mmol creat
63398Norepinephrine Random nmol/L
63399Norepi/Crt Ratio Random nmol/mmol creat

Test Version

26-Jan-2023