Histamine, Plasma - Saskatoon

Specimen Information

Specimen types accepted

• Plasma

Specimen collection container

• Preferred collection container: Lavender (EDTA)

Collection procedure

• Remove plasma from cells, and freeze within 24 hours of collection

Required volume

• Optimal volume: 4.0 mL full collection tube
• Minimum volume: 2.0 mL plasma

(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)

Rejection criteria

• Specimens received where the collection protocols were not followed
• Pathology and Laboratory Medicine Acceptance and Rejection Criteria
   

Testing Information

Clinical interpretation

• Used in the evaluation of diseases of immediate sensitivity or systemic mastocytosis

Performance

Days/times performed

Availability	Shipped Mondays and  Wednesdays
Testing site	Referred out by St. Paul’s Hospital Laboratory

 

Maximum laboratory time

Results reporting

• 9 day turnaround time by testing laboratory

Last Updated: March 12, 2026