Rutherford Category / Fontaine Stage (PAD)
Map a chronic limb-ischemia clinical picture to the Rutherford category (0-6) and the Fontaine stage (I-IV).
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Clinical picture
- Severe claudication
Result: Rutherford category 3 = Fontaine stage IIb: intermittent claudication.
The tool opens with these values already filled in. Replace them with your own.
What the result means
- Rutherford
- 0 asymptomatic, 1 mild / 2 moderate / 3 severe claudication, 4 ischemic rest pain, 5 minor / 6 major tissue loss.
- Fontaine
- I asymptomatic, IIa mild / IIb disabling claudication, III rest pain, IV ulceration/gangrene. Rutherford 4-6 (Fontaine III-IV) is chronic limb-threatening ischemia. Cross-links wifi.
What you enter
- Clinical picture
How this is calculated
Rutherford RB, Baker JD, Ernst C, et al. Recommended standards for reports dealing with lower extremity ischemia: revised version. J Vasc Surg. 1997;26(3):517-538. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.