Laboratory Medicine

Test catalogue

Dopamine Beta-Hydroxylase Deficiency
Test Name Dopamine Beta-Hydroxylase Deficiency (DBH Sequencing, Norepinephrine Deficiency, Noradrenaline Deficiency )
Specimen Type / Requirements Container Type = 2 Lavenders (EDTA) Minimum Testing Volume = 5- 10ml Whole Blood 0.5 mL EDTA (Neonate) Tube must fill to at least ½ or greater of its vacuum capacity
Specimen Handling Collection Instructions: Collect in Lavender (Purple EDTA) top. Write your initials, date and time of collection on the collection label or requisition. Special Instructions The specimen should be shipped on a Monday, Tuesday or Wednesday so that the Laboratory will receive the specimen within 24-48 hours after collection. Ship at room temperature. If there is a delay in the shipping of specimen (i.e.>48 hours), the sample should be placed in the refrigerator and shipped to Laboratory on ice Rejection Criteria: Serum, Unlabeled or Not Sufficient Quantity samples. Stability: Stable at room temperature for 24 - 48hours, refrigerated for 7 Days. Transportation: Send sample to core lab as soon as possible.
Required Documentation
Turnaround Time (TAT) 2 weeks (Prenatal samples), 2-3 weeks (Pregnancy/Urgent samples), 4-6 weeks (Routine)	Test Utilization Routine
Reference Value See Interpretative Report
Test code MISCS	Method Sequencing
Testing Location Referred Out – ON, Canada (ROSK01)	Other Information

Dopamine Beta-Hydroxylase Deficiency

Test Name

Dopamine Beta-Hydroxylase Deficiency (DBH Sequencing, Norepinephrine Deficiency, Noradrenaline Deficiency )

Specimen Type / Requirements

Container Type = 2 Lavenders (EDTA)

Minimum Testing Volume = 5- 10ml Whole Blood

0.5 mL EDTA (Neonate)

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect in Lavender (Purple EDTA) top. Write your initials, date and time of collection on the collection label or requisition.

Special Instructions The specimen should be shipped on a Monday, Tuesday or Wednesday so that the Laboratory will receive the specimen within 24-48 hours after collection. Ship at room temperature. If there is a delay in the shipping of specimen (i.e.>48 hours), the sample should be placed in the refrigerator and shipped to Laboratory on ice

Rejection Criteria: Serum, Unlabeled or Not Sufficient Quantity samples.

Stability: Stable at room temperature for 24 - 48hours, refrigerated for 7 Days.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

2 weeks (Prenatal samples), 2-3 weeks (Pregnancy/Urgent samples), 4-6 weeks (Routine)

Test Utilization

Routine

Reference Value

See Interpretative Report

Test code

MISCS

Method

Sequencing

Testing Location

Referred Out – ON, Canada (ROSK01)