Days Set Up
Tuesday, Thursday
Analytic Time

3 - 5 days

MiChart Code
Porphobilinogen Deaminase (PBGD), Washed Erythrocytes
Soft Order Code

Test Updated:


Porghobilinogen Deaminase (PBG-D), Washed Erythrocytes

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Test Overview

Test Methodology

Enzymatic End point/Spectrofluorometric

Test Usage

Confirmation of a diagnosis of acute intermittent porphyria (AIP).

Reference Range

> 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.

Specimen Requirements

Normal Volume
3 mL washed erythrocyte suspension
Minimum Volume
1 mL washed erythrocyte suspension

Billing Information

CPT Code
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.