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Test ID: ALAD    
Aminolevulinic Acid Dehydratase (ALAD), Whole Blood

Secondary ID A test code used for billing and in test definitions created prior to November 2011

88924

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

Conditional

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

Confirmation of a diagnosis of aminolevulinic acid dehydratase deficiency porphyria

 

This test will not detect lead intoxication.

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

Aminolevulinic acid dehydratase (ALAD) activity can be inhibited in other situations including hereditary tyrosinemia type 1, lead intoxication, and exposure to styrene, trichloroethylene, or bromobenzene. These causes should be ruled out when considering a diagnosis of ALAD deficiency porphyria.

Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.

The following algorithms are available in Special Instructions: 

-Porphyria (Acute) Testing Algorithm

-Porphyria (Cutaneous) Testing Algorithm

Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test

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

Enzymatic End point/Spectrofluorometric

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

ALA Dehydratase, WB

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

Doss Porphyria
Porphobilinogen (PBG) Synthase
ALAD (Aminolevulinic Acid Dehydratase) Deficiency Porphyria (ADP)