Mayfield Classification (Perilunate Instability)
Mayfield Classification (Perilunate Instability) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
Open the Mayfield Classification (Perilunate Instability) → Runs in your browser. No signup, no tracking.
What this is
Mayfield Classification (Perilunate Instability) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. Mayfield Classification (Perilunate Instability) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
Mayfield JK, Johnson RP, Kilcoyne RK. Carpal dislocations: pathomechanics and progressive perilunar instability. J Hand Surg Am. 1980;5(3):226-241. Read the source ↗
Worked example: Mayfield stage III: midcarpal dislocation - added disruption of the lunotriquetral ligament; the triquetrum separates from the lunate.
Sophie Well is a reference and educational tool. Not medical, legal, or financial advice. Does not replace clinician judgment, professional billing review, or legal counsel.