PROTOPORPHYRIN, ZINC

Test Documentation
Specimen Required
Draw blood in a dark blue EDTA tube. Send 1.0 mL whole blood (0.5 mL minimum) refrigerated.

Alternate Specimen
Whole Blood: Lavender EDTA, K2EDTA

Rejection Criteria
Hemolyzed, clotted or frozen samples

Methodology
Hematofluorometry

Stability
Room Temperature: 8 days; Refrigerated: 8 weeks; Frozen: Unacceptable

Reference Range
0-69 µmol ZPP/mol heme

Performed
Tuesday, Thursday

Turnaround Time3-5 days
Test CodeZPP
CPT-4 Code (s)
84202
LOINC Codes
29763-0

Warde
Medical
Laboratory