Days Set Up
Varies; test performed 3 times per week
Analytic Time

4 hours

MiChart Code
Lead, Blood
Soft Order Code

Test Updated:


Lead with Demographics

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

Atomic Absorption (Graphite Furnace)

Test Usage

Evaluate lead exposure or toxicity.

Reference Range

<5 ug/dL. Critical value: 75 ug/dL (values >20 ug/dL are called to the provider).

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

Collect blood in a tan (brown) top tube. Gently invert tube several times to avoid clot formation; clotted specimens are unacceptable. Refrigerate intact specimen. Complete the first three sections of the Michigan Department of Health and Human Services Blood Lead Analysis Form and submit with the specimen. The form can be found at

Trace Element Tube – K2 EDTA
Normal Volume
2 mL whole blood
Minimum Volume
0.5 mL whole blood

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.