Albumin Creatinine Ratio (ACR) Calculator
Calculate the Albumin Creatinine Ratio (ACR) to assess kidney health. The ACR is a measure of albumin excretion in urine relative to creatinine, helping detect early signs of kidney damage.
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Detailed Steps
Visual Representation
Formula
ACR Definition
The Albumin Creatinine Ratio (ACR) is calculated by dividing the albumin concentration in milligrams by the creatinine concentration in grams:
Interpretation
| Category | ACR (mg/g) | Terms |
|---|---|---|
| A1 | <30 | Normal to mildly increased |
| A2 | 30-300 | Moderately increased |
| A3 | >300 | Severely increased |
An ACR below 30 mg/g is considered normal, while higher values may indicate kidney damage. Consult a healthcare provider for personalized advice.
How to Use the ACR Calculator
- Enter the albumin concentration in milligrams (mg) from a urine test (e.g., 20).
- Enter the creatinine concentration in grams (g) from the same urine test (e.g., 1).
- Choose your preferred display mode (Standard, Step by Step, or Chart).
- Click the “Calculate” button.
- View your results, including the ACR value and its category (A1, A2, or A3), in the selected view. The chart view shows your ACR within its category.
Frequently Asked Questions (FAQs)
What is the Albumin Creatinine Ratio (ACR)?
The ACR is a measure of the amount of albumin (a protein) in urine relative to creatinine. It is used to detect early signs of kidney damage, especially in people with diabetes or high blood pressure.
What does a high ACR mean?
An ACR above 30 mg/g indicates increased albumin in the urine (albuminuria), which may suggest kidney damage. An ACR of 30-300 mg/g is moderately increased (A2), and above 300 mg/g is severely increased (A3).
Who should check their ACR?
People at risk of kidney disease, including those with diabetes, high blood pressure, heart disease, or a family history of kidney disease, should monitor their ACR regularly.
How can I reduce a high ACR?
To reduce albuminuria, manage underlying conditions like diabetes and high blood pressure through medication, diet, and exercise. Consult a healthcare provider for tailored advice.
How is ACR different from a BUN Creatinine Ratio?
The ACR measures albumin relative to creatinine in urine to assess kidney damage, while the BUN Creatinine Ratio measures blood urea nitrogen relative to creatinine in blood to evaluate kidney function and hydration status.