Lipid Droplets, Urine, Qualitative, Microscopic Examination
This test looks for fat-containing droplets in a urine sample under a microscope. It can help your care team understand whether fat is passing into your urine, which may point to certain kidney or urinary conditions.
["Finding lipid droplets in urine is a nonspecific clue that is interpreted alongside your symptoms and other test results."]
Key facts at a glance
- LOINC
- 99881-5
- Short code
- Lipid droplets UrnS Ql Comp Assist
- Synonyms
- Lipid droplets UrnS Ql Comp Assist
- Category
- chemistry
- Sample
- urine
- Container
- Sterile urine container
- Units
- N/A
- Fasting
- true
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- computer-assisted
- Specimen volume
- 10 mL
- Stability
- Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 0
- Lipemia max
- 0
- Icterus max
- 0
- TAT
- 4–24 hours
- Order
- routine
What This Test Measures
A urine sample is examined under a microscope to look for lipid (fat) droplets. These are tiny round fat particles that can appear in urine. The test is usually qualitative, meaning it reports whether droplets are seen rather than a precise amount.
How the Sample Is Collected
You provide a routine urine sample, typically a clean-catch midstream specimen into a sterile cup. No special preparation is usually needed unless your care team gives other instructions. The sample is then prepared and inspected in the laboratory.
What Results Mean
The report indicates whether lipid droplets were seen. Sometimes special stains are used to confirm that the droplets are fat. A positive result is not a diagnosis on its own and must be considered together with your symptoms, other urine findings, and blood tests.
Things to Keep in Mind
Lipid droplets can occasionally appear for reasons unrelated to serious disease, and their absence does not rule out a condition. Because methods and reporting vary between laboratories, ask your care team to explain what your specific result means for you.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Lipid droplets in urine can be associated with conditions in which fat is released into the urinary tract, such as certain kidney disorders, nephrotic-range protein loss, or injury to fatty tissue. However, the finding is nonspecific; it does not identify a cause by itself. Clinicians interpret it with the full urinalysis, protein measurements, kidney function tests, imaging, and your medical history. This test supports, but does not replace, a broader diagnostic evaluation.
Short name
Urine Lipid Droplets
Frequently asked questions
Does finding lipid droplets in my urine mean I have kidney disease?
Should I fast or prepare for this urine test?
Can the result be wrong or unclear?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy