Protoporphyrins, Fractionation, Whole Blood

Message

Sendouts, Mayo test code: PPFE

Test Code

LAB1238431

Alias/See Also

PPFE
EPP (Erythropoietic Protoporphyria)
Erythropoietic Protoporphyria
Free Protoporphyrin
Zinc Protoporphyrin
X-linked Dominant Protoporphyria (XLDPP or XDP)

CPT Codes
82542

Preferred Specimen

4mL whole blood from a dark green (sodium heparin) tube

Patient Preparation
Patient must not consume any alcohol for 24 hours before specimen collection.

Minimum Volume

3 mL

Other Acceptable Specimens

Dark blue top (metal free heparin), green top (lithium heparin), or lavender top (EDTA)

Transport Temperature

Refrigerated

Specimen Stability

Refrigerated: 7 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis

Methodology
High-Performance Liquid Chromatography (HPLC) with Fluorescence Detection

Setup Schedule

Monday through Friday

Report Available

3 to 5 days

Reference Range

Included with report

Clinical Significance

Evaluating patients with possible diagnoses of erythropoietic protoporphyria or X-linked dominant protoporphyria

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

Performing Laboratory
Mayo Clinic Laboratories, Rochester, Minnesota

Additional Information
Protoporphyrins, Fractionation, Whole Blood

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.