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Test Code MURA Lysozyme (Muramidase), Plasma


Specimen Required


Collection Container/Tube: Lavender top (EDTA)

Submission Container/Tube: Plastic vial

Specimen Volume: 2 mL Plasma

Collection Instructions:

1. Within 2 hours of collection, centrifuge and aliquot plasma into a plastic vial.

2. Freeze immediately.


Useful For

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

Method Name

Turbidimetric

Reporting Name

Lysozyme (Muramidase), P

Specimen Type

Plasma EDTA

Specimen Minimum Volume

Plasma: 1 mL

Specimen Stability Information

Specimen Type Temperature Time
Plasma EDTA Frozen 21 days

Reject Due To

  All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Reference Values

≥12 months: 2.6-6.0 mcg/mL

 

Reference values have not been established for patients younger than 12 months.

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

85549

LOINC Code Information

Test ID Test Order Name Order LOINC Value
MURA Lysozyme (Muramidase), P 2589-0

 

Result ID Test Result Name Result LOINC Value
MURA Lysozyme (Muramidase), P 2589-0

Day(s) Performed

Monday through Friday

Report Available

2 to 5 days

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-Benign Hematology Test Request (T755)

Hematopathology/Cytogenetics Test Request (T726)