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Test Name:
Fat, Urine, Random
- SBMF No:
25083 - Performance Lab Name:
Hematology - Test Mnemonic:
U FAT - ABN:
Not required - CPT Code:
89125 - LOINC Code:
2272-3 - Spec Type:
Urine, random - Spec Container:
Plastic container with tightly fitting lid - Pref Vol:
20.0 mL - Min Vol:
15.0 mL - Fasting:
No - Spec Collect:
Collect in clear, fat-free containers (glass, Pyrex, or polyethylene)
– Note: Unclean containers, oiled catheters, and soaps may contaminate urine, thus mimicking stainable fats or lipids - Spec Store Transport:
Refrigerated - Spec Stability:
2 hours room temperature (20-30°C)
12 hours refrigerated (2-8°C) - Spec Reject:
Sample collected in waxed cardboard containers
Sample contaminated with oils or lubricants from catheters or soap - Methodology:
Microscopic Examination - Use:
To detect the presence of oval fat bodies - Clinical Significance:
Nephrotic syndrome is the best-known type of renal failure in which lipids are filtered through the permeable glomerular membrane. Lipiduria, however, also occurs in nonglomerular and polycystic renal diseases and in fat embolism in relation to major bone fractures or trauma.Lipiduria may also be seen in normal subjects following infusion of lipid emulsion in man. Lipid can be observed following extracorporal shockwave lithotripsy in patients with vesical carcinomas and in patients with acute alcoholic intoxication. - Reference Range:
Negative for the presence of fat - Day Run:
Sun-Sat (daily) - Time Run:
As received - Time Reported:
8 hours - Test Type:
URINE
