Days Set Up
Monday - Friday
Analytic Time

2 - 5 days

MiChart Code
Lysozyme (Muramidase)
Soft Order Code

Test Updated:


Muramidase, Plasma

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Test Overview

Test Methodology


Test Usage

Confirming marked increase in the granulocyte or monocyte pool as in granulocytic or monocytic leukemias, myeloproliferative disorders, and malignant histiocytosis. Plasma levels decrease with sucessful treatment of chronic granulocytic or monocytic leukemias.

Reference Range

2.7 - 9.4 mcg/mL

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

Specimen Requirements

Collection Onsite

Place tube(s) on ice immediately following collection. Transport specimen to laboratory IMMEDIATELY following collection.

Collection Offsite

Collect specimen in lavender top tube. Place tube(s) on ice immediately following collection. Centrifuge, aliquot plasma into a plastic vial and freeze immediately.

Lavender Top Tube
Normal Volume
2 mL EDTA plasma
Minimum Volume
1 mL EDTA plasma

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.