Days Set Up
Monday - Friday
Analytic Time

1 Day

MiChart Code
Soft Order Code

Test Updated:


Looking to order a test?

We’ve provided helpful links to make ordering easy.

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

To rule out the diagnosis of paroxysmal cold hemoglobinuria (PCH) in cases of hemoglobinuria, cold exacerbated hemolysis, unusual presentation of apparent warm or cold autoimmune hemolytic anemia (AIHA). A positive test is considered diagnostic for PCH.

Reference Range

Interpretive report provided under Immunohematology Consult.

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

Specimen Requirements


Collect samples and immediately store in 37 C warm sand for transport to Blood Bank.
Warm sand thermos is available in Chemistry.

Collection Offsite

See Donath Landsteiner Test for Outpatients

Normal Volume
8 mL serum
2 mL EDTA whole blood
Minimum Volume
4 mL serum
1 mL EDTA 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.