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Laboratory Medicine

Test catalogue

Plasma Haemoglobin (Cell Free Hemoglobulin, Plasma Free Hemoglobin), Blood

Test Name

Plasma Haemoglobin (Cell Free Hemoglobulin, Plasma Free Hemoglobin), Blood

Green Tube Specimen Type / Requirements

Container Type = 1 Green Tube

Minimum Volume = 2 ml Blood

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

Specimen Handling

Collection Instructions: Collect samples in heparinized tubes. Write your initials, date and time of collection on the collection label or requisition.

Laboratory Staff Instructions: Seperate from cells as son as possible. Store and send frozen.

Rejection Criteria: Gross hemolysis, unlabeled or or samples of non sufficient quantity.

Stability: Stable at 2 – 8°C for 1 week.

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

Required Documentation

Turnaround Time (TAT)


Test Utilization

Reference Value

< 29 mg/L

Test Code




Testing Location

Referred Out – ON, Canada (ROSK01)

Other Information

Last Updated: February 21, 2020