Creatinine (Urine)
Urine creatinine measures the amount of creatinine excreted in your urine. It is used to evaluate kidney function and is often part of a creatinine clearance test.
Category: Urinalysis
Also known as: urine creatinine, creatinine urine, urinary creatinine, ucr
Reference range: 20–275 mg/dL (Source: ABIM)
Standard unit: mg/dL
High values may indicate
High urine creatinine may indicate a high-protein diet, intense exercise, or early diabetes. It is also used as a reference for other urine tests.
Low values may indicate
Low urine creatinine may indicate kidney disease, reduced muscle mass, or a dilute urine sample.
Frequently asked questions
- What is a normal Creatinine (Urine) level?
- A typical reference range for Creatinine (Urine) is 20–275 mg/dL (source: ABIM). Reference ranges vary by laboratory, age, and sex, so always compare against the range on your own lab report.
- What units is Creatinine (Urine) measured in?
- Creatinine (Urine) is most commonly reported in mg/dL. Labs in different countries may use other units — you can convert between them with BloodId's blood test unit converter.
- Where do Creatinine (Urine) reference ranges come from?
- BloodId uses ABIM standard reference ranges and educational information from MedlinePlus (see our methodology). Reference ranges still vary by lab, age, and sex, so always compare against your own report.
- Can I track Creatinine (Urine) over time?
- Yes. Upload results from any lab and BloodId charts your Creatinine (Urine) over time against its reference range, so you can see whether the trend is rising, falling, or stable.
Related biomarkers
Source: MedlinePlus, U.S. National Library of Medicine
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