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St. John Health System
Lab Catalog


Index:

Porphyrins, Feces

Order Name Porph Feces
Test Number: 5194403
Revision Date 11/01/2023
Test Name Methodology LOINC Code
Porphyrins, Feces
High Performance Liquid Chromatography  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 100g Fecal/Stool Sterile Screwtop Container Frozen
Instructions Patient Preparation: Patient should refrain from ingesting red meat and aspirin-containing products (eg, Excedrin, Aspirin) for 3 days prior to specimen collection.
Specimen Storage: Frozen
Specimen Collection: Collect random specimen from a single defecation.
Special Instructions: Testing referred to Mayo Medical Lab TC#FQPPS
Specimen Stability: Ambient: Not Available, Refrigerated : 14 days, Frozen: 14 days
GENERAL INFORMATION
Expected TAT 13 - 18 days  
Notes Labcorp Test Code: 820730
CPT Code(s) 84126
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Reference Lab