Lysozyme, Urine
0050368
Ordering Recommendation
Submit With Order
Mnemonic
LYSOZ U
Methodology
Quantitative Radial Immunodiffusion
Performed
Mon-Fri
Reported
1-5 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Random urine.  
Specimen Preparation
Transfer 3 mL aliquot from a well-mixed random urine collection to an ARUP Standard Transport Tube. (Min: 0.5 mL)  
Storage/Transport Temperature
Refrigerated. Also acceptable: Frozen.  
Unacceptable Conditions
 
Remarks
 
Stability
Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 3 months  
Reference Interval
Less than 4 µg/mL
Interpretive Data


See Compliance Statement D: www.aruplab.com/CS
Note
Elevated levels of urine lysozyme occur during severe renal insufficiency, renal transplant rejection, urinary tract infections, pyelonephritis, glomerulonephritis, and nephrosis. Urine lysozyme levels may also be elevated in acute myelomonocytic leukemia (FAB-M4), chronic myelomonocytic leukemia (CMML), and chronic myelocytic leukemia (CML).
CPT Code(s)
85549
Components
Component Test Code*Component Chart Name
0050368Urine Lysozyme
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Cross References
  • Muramidase
  • Muramidase urine
  • Urine lysozyme