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Back to Test Catalogue
Test ID: PORPHQ E

Free Protoporphyrin, Erythrocytes

Test Overview

Result Included

Free Protoporphyrin

Specimen

Specimen Type

Whole blood (EDTA)

Volume

Sample Volume

2 mL

Collection & Handling

Collection Instructions

Protect specimen from light – transfer in amber vial.

Additional Information

Hematocrit must be provided to allow calculation ofresult. Specimen may be frozen after measurement of hematocrit. Other anticoagulants and clotted specimens are unacceptable.

Stability

Refrigerated Frozen
2 Weeks 2 Months

Performance & Interpretation

Turnaround Time

10 days

Results

Name
Units
Reference Range
Conversion
  1. Free Protoporphyrin
    µmol/L Erc.
    Adult: 0.40 - 1.00
    Porphyrin reference values are not available for individuals 17 y and younger.
    µg/dL x 0.178

Referral Location

Canada

Test Version

Last Updated

2023-06-16