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Abnormal Ossification Of The Trapezoid Bone C4022406

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

A condition affecting the trapezoid, a small bone in the wrist. Abnormal formation may impact hand movement. Treatment depends on symptoms and functional impact.

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
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Dorsal wrist pain

(musculoskeletal)

Joint pain or stiffness

(musculoskeletal)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Decreased supination

(musculoskeletal)

Tenderness over the trapezoid

(musculoskeletal)

Decreased grip strength

(musculoskeletal)

Medication Comparisons

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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