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Proximal Symphalangism 1a C3714899

Published: July 22, 2026Updated: August 20, 2026

A genetic bone condition where fingers or toes are fused at the joints, limiting mobility. It can run in families. Treatment includes physical therapy and sometimes surgery to improve function.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
Q79.9
ICD-11
LA00.0
Body system
musculoskeletal
Severity
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Proximal finger joint fusion

(musculoskeletal)

Reduced finger flexibility

(musculoskeletal)

Hand stiffness

(musculoskeletal)

Difficulty gripping objects

(musculoskeletal)

Medication Comparisons

Compare medications used to treat Proximal Symphalangism 1a C3714899. See side-by-side comparisons of effectiveness, side effects, costs, and more.

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy