Analytic Time
MiChart Code
Testosterone, Female and PEDS, LCMS
Soft Order Code

Test Updated:


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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
Test Usage
Reference Range

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

Specimen Requirements

Collection Onsite

Blood Bank is not able to share tubes with other laboratories. Specimens are unacceptable if clotted, collected in serum separator tube, contaminated, grossly hemolyzed, of inadequate volume, or not properly labeled with patient identification. The phlebotomist must sign the requisition and must initial and date the specimen tube. If patient is not wearing a wristband, see "Blood Type, ABO, Rh, and Antibody Screen, No Wristband."

Collection Offsite

This test is only for University of Michigan Health System patients wearing an identification wristband. Collect specimen in a pink top tube. The phlebotomist must sign the requisition and must initial and date the specimen tube. Refrigerate and send intact specimens. Specimens are unacceptable if collected in serum separator tube, contaminated, or grossly hemolyzed. Specimens sent for Blood Bank testing cannot be split for use by other laboratories.

Pink Top Tube
Normal Volume
6 mL whole blood
Minimum Volume
2 mL whole blood

Billing Information

CPT Code
86900 ABO, 86901 Rh, 86850 Ab Screen
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.