Test Includes: Porphyrin fractionation by HPLC, if increased.

Test Order Mnemonic: Porphyrin-f

Lab: Porphyrin Laboratory

Request Form: Miscellaneous slip

Collection: Random stool sample.

Storage Instructions: Freeze and protect from light.

Causes for Rejection: Samples not protected from light.

Availability: Samples are received 24 hours per day at Sample Management, 5.136 McCullough or from 8 AM-5 PM, Monday-Friday at Room 3.102, Ewing Hall.

Turnaround Time: Routine; test is performed weekly.

Specimen: Random stool

Volume: 50 – 100g

Minimum Volume: 10g

Container: Unbreakable plastic container.

Reference Ranges: 0 – 200 nmol/g dry wt.