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Lab Test Dictionary

Porphyrines, Fecal (0099824)


Quantitative High Performance Liquid Chromatography


Coproporphyrinl; Coproporphyrins; Isocoproporphyrins; Protoporphyrin

Specimen Type

Stool, Random

Performing Lab


Epic ID

Other Reference Test

Lab Test Days

Monday and Thursday

Standard TAT

2-7 Days

Collection Information

Specimen Required

1-5 g Random Stool

Container Type

Sterile Container

Collection Instructions

Protect from light and freeze immediately.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp: Unacceptable; Refrigerated: Unacceptable; Frozen: 3 Weeks

Rejection Criteria

Complete timed collections (24-72 Hours); Specimens stored in one gallon cans or other large containers; Liquid stool

Test Volume Required

5 g Random Stool

Minimum Test Volume

1 g Random Stool

Processing Instructions

Complete an ARUP requisition and submit with specimen light protected and frozen. Call Apollo Courier Service for pick-up Monday-Friday.

Included Tests

Coproporhyrin and Protoporphyrin.

CPT Codes