Lysozyme, Serum
Also known as: LYSO SER
Use
The Lysozyme, Serum test aids in the diagnosis of acute myelocytic leukemia or other leukemias, sarcoidosis, and infections such as tuberculosis. Serum lysozyme levels may also be elevated in chronic myelomonocytic leukemia, chronic myelocytic leukemia, tuberculosis, sarcoidosis, megaloblastic anemias, acute bacterial infections, ulcerative colitis, regional enteritis, and Crohn's disease. Elevated levels can occur during severe renal insufficiency, renal transplant rejection, urinary tract infections, pyelonephritis, glomerulonephritis, and nephrosis.
Special Instructions
This test is New York state approved. Serum separator tube (SST) is required for collection. Separate serum from cells as soon as possible or within 2 hours of collection. Transfer to an ARUP Standard Transport Tube with a volume requirement.
Limitations
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. It is not suitable for point-of-care testing and must be conducted in a CLIA certified laboratory for clinical purposes. Certain specimen conditions such as hemolyzed, lipemic, icteric, or contaminated specimens are unacceptable.
Methodology
Immunoassay (ELISA)
Biomarkers
LOINC Codes
- 2589-0
Result Turnaround Time
1-5 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
1 mL
Minimum Volume
0.4 mL
Container
ARUP Standard Transport Tube
Collection Instructions
Separate serum from cells ASAP or within 2 hours of collection. Transfer to an ARUP Standard Transport Tube.
Storage Instructions
Store and transport specimens refrigerated.
Causes for Rejection
Hemolyzed, lipemic, icteric, or contaminated specimens.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Unacceptable |
| Refrigerated | 5 days |
| Frozen | 1 month |
