Our priority is to ensure the safety and well-being of our patients and residents, and our people.

Emergency department outbreak information >>

Only pre-approved visitors can visit patients at our sites. Please check our COVID-19 information page to learn more about what to expect for your appointment/visit and how to be approved as a visitor. >>

Book an appointment online for COVID-19 testing at one of our Assessment Centres. >>


Text size: a a a

Laboratory Medicine

Test catalogue

Chromogranin A

Test Name

Chromogranin A (Parathyroid Secretory Protein 1)

Lavender Tube Specimen Type / Requirements

Container Type = 2 Lavender Top Tubes (EDTA)

Minimum Volume = 4 mL plasma

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

Specimen Handling

Collection Instructions: Collect sample in lavender top (EDTA). Abstain from proton pump inhibitor medication for two weeks prior to collection. Write your initials, date and time of collection on the collection label.

Laboratory Staff Instructions Separate plasma from cells as soon as possible. Store and send frozen.

Rejection Criteria: Grossly hemolyzed, lipemic, Unlabeled or Not Sufficient Quantity samples will be rejected. Avoid multiple freeze-thaw.

Stability: Stable frozen for 6 months.

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

Required Documentation

Turnaround Time (TAT)

10 Days

Test Utilization

Reference Value

<= 110 ng/mL

Test Code

CHRMA

Methodology

ELISA (CISBIO Chromogranin A)

Testing Location

Referred Out – ON, Canada (ROICL02)

Other Information

Last Updated: June 06, 2019