Protein Creatinine Ratio Calculator
Calculate PCR for proteinuria assessment and kidney disease monitoring
Medical Disclaimer
This calculator is for educational purposes only. Always consult a healthcare professional for medical advice and diagnosis.
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PCR Calculation
About PCR
The Protein Creatinine Ratio (PCR) is a simple and reliable method to assess proteinuria.
PCR Formula:
PCR = Urine Protein (mg/dL) / Urine Creatinine (mg/dL)
Daily Protein Excretion ≈ PCR × 0.2 (g/day)
PCR Interpretation:
- <0.15: Normal
- 0.15-0.3: Microalbuminuria
- 0.3-3.5: Moderate proteinuria
- >3.5: Nephrotic range
Proteinuria Classification:
- • Normal: <150 mg/day
- • Microalbuminuria: 30-300 mg/day
- • Macroalbuminuria: >300 mg/day
- • Nephrotic: >3.5 g/day
Clinical Significance:
- • Kidney disease marker
- • Cardiovascular risk factor
- • Treatment response indicator
- • Prognostic factor
Sample Collection:
- • Random urine (most common)
- • First morning urine (preferred)
- • 24-hour collection (gold standard)
Limitations:
- • Affected by muscle mass
- • Diurnal variation
- • Exercise effects
- • Hydration status
Professional Resources:
- • Nephrologist
- • Primary care physician
- • Endocrinologist
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