Lysozyme, serum

Alphabetical Test listing

Lysozyme, serum-13361

Test name:

Lysozyme, serum

Test number:

13361

Excellian order number:

LAB13361

Abbreviation:

LYSO

Alternate names:

Muramidase, serum

Useful for:

Differential diagnosis of leukemia. Present in association with some cases of myelogenous leukemia and in most cases of monocytic leukemia.

Specimen type:

Serum

Collection container:

Gold serum separator (SST) tube

Volume:

1.0 mL

Minimum volume:

0.2 mL

Collection instructions:

Immediately following collection, thoroughly mix sample by gently inverting 5 times

Processing instructions:

Allow sample to clot for a minimum of 30 minutes
Spin within two (2) hours of sample collection
Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum

Transport container:

Transfer vial/tube with cap - 12mL (LabCorp)

Alternate collection container:

Red serum vial/tube - 5 mL

Alternate processing instructions:

Allow sample to clot
Spin within two (2) hours of sample collection
Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum

Transport and stability:

Ambient (preferred) - 4 days

Refrigerated - 4 days

Frozen - 14 days

Freeze/thaw cycles - stable x 2

Performing lab:

LabCorp Burlington (080713): R-LC

Days set up:

Mo, We, Fr

TAT:

3 - 5 days

Method:

Enzymatic

Reference ranges:

Age	μg/mL
0 - 6m	Not established
7m - 5y	3.0 - 7.4
6 - 40 y	3.3 - 7.1
41 - 60 y	3.4 - 7.6
61 - 70 y	3.6 - 8.1
71 - 80 y	3.7 - 8.5
>80 y	4.2 - 9.5

CPT codes:

85549

LOINC code:

Result 2589-0

Date created:

04/09/2019

Revised date:

02/14/2023

Review date:

12/29/2023