Test Overview
Test Methodology
High-Performance Liquid Chromatography (HPLC)
Test Usage
Evaluation of patients who present with signs or symptoms suggestive of porphyria cutanea tarda, hereditary coproporphyria, variegate porphyria, congenital erythropoietic porphyria, erythropoietic protoporphyria, or X-linked dominant protoporphyria.
Reference Range*
Interpretive report provided.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
Days Test Performed
Tuesday, Thursday
Analytic Time
4 - 5 days
Soft Order Code
FQPPS
MiChart Code
Porphyrins, Feces
Synonyms
Porphyrins, Feces
FQPPS
Laboratory
Sendout
Laboratory Reference
Mayo FQPPS (81652)
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Specimen Requirements
Offsite Collection Instructions
Patient should be instructed to refrain from red meat and aspirin-containing medications for 3 days prior to and during specimen collection period. No barium, laxatives, or enemas may be used within 24 hours of starting the collection. Collect stool for a duration of 48, 72, or 96 hours; freeze (preferred) or refrigerate and send entire collection. Note collection duration, start date and time and end date and time on requisition. Also include a list of medications the patient is currently taking.
Normal Volume
Entire 48 - 96 hour stool collection
Minimum Volume
24 hour collection is adequate if the collection volume is approximately 100 g
Additional Information
Test sent to Mayo Medical Laboratories.
Billing Information
Fee Codes
CPT Code
84126
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