Erythrocyte porphyrin (EP), whole blood-994

Test info

  
Erythrocyte porphyrin (EP), whole blood
  
994
  
LAB994
  
MSO
  
Free erythrocyte porphyrin
Porphyrins (FEP)
Protoporphyrin, free erythrocyte (FEP)
Protoporphyrins, total, erythrocytes
RBC Porphyrins
Red blood cell porphyrins
  

Screen for erythropoietic protoporphyria (EPP) in patients with cutaneous photosensitivity.

Specimen

  
EDTA whole blood, metal free
  
  
1.0 mL
  
0.5 mL
  

Immediatley following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting

  
  1. Protect from light during collection, storage, and shipment.
  2. Transfer whole blood to an Amber transfer vial/tube - 12 mL (LabCorp)
  
  

Refrigerated – 2 weeks (preferred)

Frozen – 1 month

Ambient – NO

  
  • Specimens not collected in EDTA
  • Clotted specimens

Performance

  
ARUP (0020610) via Labcorp (009985): R-NX
  
Mo, We, Sa
  
4 days
  

Fluorometry

Clinical and Interpretive info

  

0 - 35 µg/dL

Billing

  
84202

Tracking

  
07/21/2021
  
07/26/2021
  
12/15/2023