Test Overview
Test Methodology

Turbidimetric

Test Usage

As a screening test for ocular sarcoidosis
Confirming marked increases in the granulocyte or monocyte pools as in granulocytic or monocytic leukemias, myeloproliferative disorders, and malignant histiocytosis
Following the course of therapy in cases of chronic granulocytic or chronic monocytic leukemias

Reference Range *

> or =12 months: 2.6-6.0 mcg/mL. Reference values have not been established for patients who are less than12 months of age.

Test Limitations

Increased levels may be seen in nonmalignant disorders including sarcoidosis, infections, Crohn’s disease, kidney transplant rejection, and other renal disorders.

Test Details
Soft Order Code
MURA
MiChart Code
Lysozyme (Muramidase)
Synonyms
  • Muramidase, Plasma
  • MUR
  • LYSOZYME (MURAMIDASE), PLASMA
Laboratory
Sendout
Reference Laboratory
Mayo MURA
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect specimen in lavender top tube. Centrifuge and aliquot plasma into a plastic vial within 2 hours of collection. Freeze immediately after transferring.

Lavender Top Tube
Special Handling

Place on ice immediately. Must arrive in lab or spin, aliquot and freeze within 2 hours.

Normal Volume
2 mL EDTA plasma
Minimum Volume
1 mL EDTA plasma
Additional Information

Test sent to Mayo Clinic Laboratories.

Billing
CPT Code
85549
Fee Code
21958
LOINC
2589-0
NY State Approved
No