4 - 10 days
PBG Deaminase, RBC
Porphobilinogen Deaminase (PBG-D), RBC
PBG Deaminase, BLOOD
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Enzymatic End point/Spectrofluorometric
Confirmation of a diagnosis of acute intermittent porphyria (AIP).
> or = 7.0 nmol/L sec; 6.0 - 6.9 nmol/L sec (indeterminate); <6.0 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.
Patient should abstain from alcohol for 24 hours and be off medications for 1 week prior to specimen collection. If it is clinically inappropriate to discontinue medications, forward a list of medications with the specimen. Collect blood in a green top tube from a fasting patient (12 - 14 hour fast). Place on wet ice immediately. Refrigerate and send intact whole blood within 24 hours of collection.