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Test ID: UPGD    
Uroporphyrinogen Decarboxylase, Whole Blood

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Useful For Suggests clinical disorders or settings where the test may be helpful

Preferred test for the confirmation of a diagnosis of porphyria cutanea tarda type II and hepatoerythropoietic porphyria

Genetics Test Information Provides information that may help with selection of the correct genetic test or proper submission of the test request

Uroporphyrinogen decarboxylase (UROD) is deficient in cases of type II porphyria cutanea tarda (PCT). Enzyme analysis is uninformative in sporadic PCT cases.

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

The workup of patients with a suspected porphyria is most effective when following a stepwise approach. See Porphyria (Cutaneous) Testing Algorithm in Special Instructions or call 800-533-1710 to discuss testing strategies. If guidance is needed for an acute form of porphyria, the Porphyria (Acute) Testing Algorithm is also available in Special Instructions.

Special Instructions Library of PDFs including pertinent information and forms related to the test

Method Name A short description of the method used to perform the test

High-Performance Liquid Chromatography (HPLC)/Incubation of Lysed Erythrocytes

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.

Yes

Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

UPG Decarboxylase, WB

Aliases Lists additional common names for a test, as an aid in searching

Erythrohepatic Uroporphyria (EHUP)
Hepatoerythropoietic Porphyria (HEP)
Porphyria Cutanea Tarda (PCT)