Specimen Requirements
Title
PORPHYRINS, QUANTITATIVE, FECAL
Specimen Requirement
Includes Coproporphyrin and Protoporphyrin.
Collect random stool specimen. Send 1.0 g minimum forzen in a screw-capped plastic container.
PROTECT FROM LIGHT–CRITICAL FROZEN
Methodology
Stability
Frozen 3 weeks
Reference Range
By Report*
Turnaround
8-10 days Performed Tues, Fri
Clinical Use
To differentiate acute intermittent porphyria, variegate porphyria, coproporphyria, and protoporphyria.
Test Code
STPOR