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Laboratory Medicine

Test catalogue

Free Protoporphyrin

Test Name

Free Protoporphyrin

Lavender Tube Specimen Type / Requirements

Container Type = 2 LavenderS

Minimum Volume = 3 ml Plasma (EDTA)

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

Specimen Handling

Collection Instructions: Collect sample in plasma EDTA. Protect specimen from light. Specimen must be labelled inside and outside light-protecting wrap. Write your initials, date and time of collection on the collection label.

Special Instructions Whole Blood (EDTA) Do not spin. Hematocrit must be provided to allow calculation of result. Specimen may be frozen after measurement of hematocrit

Stability: Stable refrigerated for 2 weeks and frozen for 2 months.

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

Sample Rejection Criteria: Other anticoagulants and clotted specimens are unacceptable. Unlabeled or Not Sufficient Quantity Samples will be rejected

Required Documentation

Turnaround Time (TAT)

10 Days

Test Utilization

Routine > 10 Days

Reference Value

Adult: 0.40 - 1.00 µmol/L

Test Code



Fluorescence Spectrophotometry

Testing Location

Referred Out – ON, Canada (ROICL02)

Other Information