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GTR Home > Tests > Porphyrins, QN, Random, U

Overview

Test order codeHelp: PQNRU

Test name

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Porphyrins, QN, Random, U (PQNRU)

Purpose of the test

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This is a clinical test intended for Help: Diagnosis, Screening

Condition

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How to order

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https://www.mayocliniclabs.com/test-catalog/overview/60597#Specimen
Order URL Help: https://www.mayocliniclabs.com/order-tests/index.html

Specimen source

Urine

Methodology

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Biochemical Genetics
AAnalyte
High-performance liquid chromatography (HPLC)Liquid chromatography-tandem mass spectrometry (LC-MS/MS)

Summary of what is tested

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Clinical utility

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Establish or confirm diagnosis

Citations
  • Tortorelli S, Kloke K, Raymond K: Disorders of porphyrin metabolism. In: Dietzen DJ, Bennett MJ, Wong EDD, eds. Biochemical and Molecular Basis of Pediatric Disease. 4th ed. AACC Press; 2010:307-324

Clinical validity

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Not provided

IMPORTANT NOTE: NIH does not independently verify information submitted to the GTR; it relies on submitters to provide information that is accurate and not misleading. NIH makes no endorsements of tests or laboratories listed in the GTR. GTR is not a substitute for medical advice. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.