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