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Laboratory Test Directory

Erythrocyte Porphyrin (EP), Whole Blood

Components

Name Method Department Units
Erythrocyte Protoporphyrin,Free Fluorometry
Send Out ug/dL

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume
Preferred

Royal blue (EDTA)

10 mL 1 mL
Alternate

Purple tube (EDTA)

3 mL 1 mL
Alternate

Pink tube (EDTA)

6 mL 1 mL
Stability

Refrigerated - 2 week(s)
Frozen - 1 month(s)

Specimen Preparation

  • Ship entire specimen to laboratory refrigerated
  • Protect specimen from light. Cover with foil
  • Do not centrifuge

Reasons for Rejection

  • Not protected from light
  • Clotted specimen
  • Non EDTA specimen

Comments

CRITICAL: Protect specimen from light during collection, storage, and shipment. Specimen should be tested for lead FIRST to avoid potential contamination problems.

CPT Code

  • 84202