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Test Name:
Cell Count, Urine
- SBMF No:
25005 - Performance Lab Name:
Hematology - Test Mnemonic:
U CELL CT - ABN:
Not required - CPT Code:
89050 - Spec Type:
Urine, random - Spec Container:
Plastic container with tightly fitting lid - Pref Vol:
10.0 mL - Min Vol:
1.0 mL - Fasting:
No - Spec Collect:
First morning random specimen preferred - Spec Process:
Do not centrifuge - Spec Store Transport:
Refrigerated - Spec Stability:
2 hours room temperature (20-30°C)
12 hours refrigerated (2-8°C) - Methodology:
Hemacytometer - Use:
Detect presence of white blood cells (WBC) and red blood cells (RBC) in urine - Clinical Significance:
Pathologic substances in the urine indicate: 1) a deterioration of the barrier normally separating the urinary tract from the blood; 2) a disease process; or 3) a metabolic dysfunction. For example, the presence of red blood cells (RBC) in the urine indicates damage to the urinary tract. At times, the site of the injury can be localized, such as with the presence of dysmorphic RBC, which are highly indicative of glomerular damage, or with the presence of RBC in casts, indicating glomerular or tubular origin. White blood cells (WBC) in the urine are indicative of an inflammatory process somewhere in the urinary tract. - Day Run:
Sun-Sat (daily) - Time Run:
As received - Time Reported:
4 hours - Test Type:
URINE
