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Dopamine LC-MS/MS, 24 hr Urine

Test ID: DOPAF U

Test

Method

LC-MS/MS

Report Includes

Dopamine Uncalculated; Dopamine, 24 hour; Dopamine/Creatinine Ratio; Volume; Creatinine/L; Creatinine/d

Specimens

Urine (24 hr)

Test Location

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

Test Version

11-Mar-2020

Specimen

Specimens

Urine (24 hr)

Sample Volume

20 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 do not interfere with this assay.

Collection & Handling

Collection Instructions

Collect urine in a container with 25 mL 6 mol/L (6N) HCl acid.

Handling Information

The final pH must be maintained between 2.0 – 4.0. Indicate 24 hour volume and collection date.

Test Version

11-Mar-2020

Performance / Interpretation

Method

LC-MS/MS

Turnaround Time

10 days

Results

Name Units Reference Range Conversion Factor
Volume L
  • 0.600 - 1.600
Creatinine mmol/L
Creatinine/d mmol/d
  • 7.0 - 15.0
Dopamine Uncalculated nmol/L
Dopamine, 24 hour nmol/d
  • Male: <3400
  • Female: <2500
Dopamine/Creatinine Ratio nmol/mmol creatinine
  • <390.0

Test Location

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

Test Version

11-Mar-2020

Interface / Setup

HL7 Interface Codes

Order Code Result Codes Units
DOPAF U 63319Dopamine Uncalculated nmol/L
63320Dopamine, 24h nmol/d
63321Dopamine/Creat Ratio nmol/mmol creat
7601Volume L
7637Creatinine/L mmol/L
7602Creatinine/d mmol/d

Test Version

11-Mar-2020