PROTOPORPHYRINS, ERYTHROCYTE

Specimen Required
Draw blood in a lavender EDTA tube. Send 2.0 mL whole blood (0.5 mL minimum) refrigerated in an amber screw-capped vial. PROTECT FROM LIGHT.

Alternate Specimen
Whole blood: Dark blue sodium heparin, tan-top sodium heparin, dark blue EDTA

Rejection Criteria
Clotted samples

Methodology
Hematofluorometry

Stability
Room Temperature: 4 days; Refrigerated: 10 days; Frozen: Unacceptable

Reference Range
<70 umol/mol heme

Performed
Monday-Friday

Turnaround Time3-5 days
Test CodePPR
CPT-4 Code (s)
84202
LOINC Codes
Not available

Warde
Medical
Laboratory