Understanding Your Medical Test: What It Is, Why You Need It, and How It Is Performed
This test checks for the presence of amorphous urate crystals in your urine sediment, which can help diagnose conditions affecting uric acid metabolism.
{"Urate crystals are common in acidic urine and usually harmless","High levels may indicate gout, kidney issues, or metabolic disorders","The test is part of routine urinalysis","Results are reported as present or absent","Follow-up testing may be needed if abnormal"}
Key facts at a glance
- LOINC
- 105097-0
- Short code
- Amorph Urate Cry UrnS Ql
- Synonyms
- Amorph Urate Cry UrnS Ql
- Category
- chemistry
- Sample
- urine
- Container
- Sterile urine container
- Units
- N/A
- Ref low
- 3.5
- Ref high
- 7.2
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- 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
This test is a laboratory procedure that helps your healthcare provider evaluate specific substances or markers in your body. The results provide important information about how well certain organs and systems are working, and they can help detect, diagnose, or monitor a wide range of health conditions so that you and your provider can make informed decisions about your care.
The urate crystals test is part of a urinalysis examination. It looks for amorphous (shapeless) urate crystals in your urine sediment under a microscope. Urate crystals form when uric acid, a normal waste product from breaking down certain foods, crystallizes in the urine. This test determines whether these crystals are present in your urine sample.
Your provider may order this test as part of a routine checkup, to investigate symptoms you have been experiencing, or to monitor an ongoing condition or treatment. The results can help confirm or rule out a diagnosis, guide treatment choices, and track changes in your health over time, giving you a clearer picture of your overall well-being.
Your healthcare provider may order this test as part of a routine urine examination or if you have symptoms such as painful urination, flank pain, blood in urine, or frequent urinary tract infections. It helps evaluate kidney function and screen for conditions related to uric acid metabolism. The test may also be used to monitor patients with known gout or kidney stone history.
This test is most often performed using a small sample of blood drawn from a vein in your arm, although the exact method may vary depending on what is being measured. A trained professional will clean the site, collect the sample, and send it to a laboratory for analysis. The procedure usually takes only a few minutes, and you can typically return to your normal activities right away.
A urine sample is collected (usually first-morning urine is best) and sent to a laboratory. The sample is spun in a centrifuge to separate the sediment from the liquid. The sediment is then examined under a microscope to look for the presence and quantity of urate crystals. Results are typically reported as either 'present' or 'absent,' though some labs may provide a semi-quantitative estimate.
Reference range
NCBI: Uric Acid Male 3.5-7.2 mg/dL; Female 2.5-6.8 mg/dLN/A
No special preparation usually required. Stay well hydrated. Inform your healthcare provider of all medications and supplements you are taking.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Frequently asked questions
Are urate crystals dangerous?
Do I need to fast before this test?
What happens if urate crystals are found in my urine?
Can diet affect urate crystal levels?
How is gout related to this test?
Sources
- 1MedlinePlus - UrinalysisSource
- 2Mayo Clinic - GoutSource
- 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 17, 2026. · Read our editorial policy