Days Set Up
Monday - Wednesday -Friday
Analytic Time

2 - 6 days

MiChart Code
Protoporphyrins, Fractionation, Whole Blood
Soft Order Code
MPPFE

Test Updated:

Synonyms

Erythrocyte Protoporphrin
Erythrocyte Protoporphyrins, Fractionation
FEP
FEP (Free Erythrocyte Protoporphyrins)
Free Erythrocyte Protoporphyrins (FEP)
Free Erythrocyte Protoporphyrins (FEP)
PROTOPORPHYRINS, FRACT., RBC
PPFE FREE
PPFE ZINC
PPFE-D
FREE PROTOPORPHYRIN
ZINC-COMPLEXED PROTOPORPHYRIN
Protoporphyrins, Fractionation, RBC
PPFE
PPFB
Protoporphyrins, Fract, BLOOD

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Test Overview

Test Methodology

High-Pressure Liquid Chromatography (HPLC) with Fluorescence Detection

Test Usage

Establishing a biochemical diagnosis of erythropoietic protoporphyria and X-linked dominant protoporphyria.

Reference Range

Free Protoporphyrin: <20 mcg/dL packed cells; Zinc-Complexed Protoporphyrin: <60 mcg/dL packed cells.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Onsite

Patient should abstain from alcohol for 24 hours and be off medications for 1 week prior to specimen collection. If it is clinically inappropriate to discontinue medications, forward a list of medications with the specimen. Collect blood in a green top tube from a fasting patient (12 - 14 hour fast). Place on wet ice immediately.

Collection Offsite

Patient should abstain from alcohol for 24 hours and be off medications for 1 week prior to specimen collection. If it is clinically inappropriate to discontinue medications, forward a list of medications with the specimen. Collect blood in a green top tube from a fasting patient (12 - 14 hour fast). Place on wet ice immediately. Refrigerate and send intact whole blood specimen within 24 hours of collection.

Normal Volume
5 mL heparinized whole blood
Minimum Volume
3 mL heparinized whole blood

Billing Information

CPT Code
82542
Pro Fee Code
 
LOINC
Z166-9

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.