Enzymatic End point/Spectrofluorometric
Confirmation of a diagnosis of aminolevulinic acid dehydratase deficiency porphyria (ADP).
> or = to 4.0 nmol/L/sec (normal), 3.5 - 3.9 nmol/L/sec (indeterminate), <3.5 nmol/L/sec (diminished). Reference ranges have not been established for patients who are <16 years of age.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Days Test Performed
2 - 4 days
Soft Order Code
ALA Dehydratase, RBC
Aminolevulinic Acid Dehydratase (ALA-D), Washed Erythrocytes
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3 mL washed erythrocyte suspension
1 mL washed erythrocyte suspension
Test sent to Mayo Medical Laboratories.