🫘 Urine Protein/Creatinine Ratio for 24h Proteinuria
UseEnter urine protein and urine creatinine (both mg/dL); the tool returns the estimated daily proteinuria and a…
SourceKDIGO 2012 Clinical Practice Guideline for the Evaluation and Management of CKD. Kidney Int Suppl. …
This-shift next steps
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Methodology · worked example, guidelines & full notes
A first-morning specimen is preferred, as orthostatic and exercise-related proteinuria inflate random samples (original synthesis · not guideline verbatim).
When to use
Enter urine protein and urine creatinine (both mg/dL); the tool returns the estimated daily proteinuria and a category band.
How it works
Estimated 24h proteinuria (g) ≈ urine protein (mg/dL) / urine creatinine (mg/dL). Bands: <0.15 normal, 0.15–0.5 mild, 0.5–3.5 moderate, ≥3.5 nephrotic.
Key points
- A first-morning specimen is preferred, as orthostatic and exercise-related proteinuria inflate random samples (original synthesis · not guideline verbatim).
- Results are distorted by abnormal muscle mass and extreme urine concentration, where creatinine excretion deviates from the ~1 g/day assumption.
- If urine creatinine is reported in mmol/L, convert (×11.3 to mg/dL) before applying the ratio.
References
Worked calculation
The values below come from this tool's own example placeholders and are computed server-side with the formula shown on this page, so the arithmetic can be checked quickly. It demonstrates how to substitute values only — it is not clinical advice and not a real case.
| Urine protein | 200 mg/dL |
|---|---|
| Urine creatinine | 100 mg/dL |
→Estimated 24h proteinuria2g/24h
- Interpretation：Moderate proteinuria
Verification & sources · governance
FAQ
Frequently asked questions
- What are the limits and cautions when using Urine Protein/Creatinine Ratio for 24h Proteinuria?
- For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.
- Does Urine Protein/Creatinine Ratio for 24h Proteinuria upload patient data? Where is it calculated?
- Calculation runs locally in the browser; inputs and results are not uploaded. For licensed clinicians only; interpret with history, investigations and local protocols — not a diagnosis or prescription.
- How is Urine Protein/Creatinine Ratio for 24h Proteinuria calculated in practice? Can you show a worked example?
- Inputs: Urine protein 200 mg/dL, Urine creatinine 100 mg/dL → Result: Estimated 24h proteinuria 2 g/24h（Interpretation: Moderate proteinuria）