Methodology
Spectrofluorometric
Synonyms
Erythrocyte Porphyrin; Erythropoietic Protoporphyria (EPP); Free Erythrocyte Porphyrin (FEP); Protoporphyrin; RBC Porphyrins; Red Blood Cell Porphyrins; X-linked Dominant Protporphyria (XLDPP or XDP)
Specimen Type
Whole Blood
Performing Lab
Mayo Medical Lab
Epic ID
Other Reference Test
Lab Test Days
Monday-Friday; A.M.
Standard TAT
2-4 Days
Collection Information
Specimen Required
3-5 mL Whole Blood
Container Type
Dark Green (Sodium Heparin)
Collection Instructions
Whole blood collected in a lithium heparin (green-top) tube is also acceptable. Patient should abstain from alcohol for 24 hours prior to collection. Immediately place specimen on WET ICE after collection. Include a list of medications the patient is currently taking.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-Only
Specimen Stability
Room Temp: Unacceptable; Refrigerated: 7 Days; Frozen: Unacceptable
Rejection Criteria
Mild hemolysis
Test Volume Required
5 mL Whole Blood
Minimum Test Volume
3 mL Whole Blood
CPT Codes
84311, 82542
Revised
04-30-17
Initials
SL