Abnormal Morphology Of The Proximal Phalanx Of The Hallux C4024084
A condition affecting the bone structure of the big toe, which can be present at birth or develop from injury. It may impact balance and walking. Treatment varies based on severity, from conservative care to surgical correction.
Key facts at a glance
- ICD-10
- M79.9
- ICD-11
- FA00.0
- 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
Pain in the big toe
(musculoskeletal)Swelling of the big toe
(musculoskeletal)Limited dorsiflexion of the big toe
(musculoskeletal)Visible deformity of the big toe
(musculoskeletal)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Behavioral and nutritional therapy
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Hallux support and padding
Use of protective padding and supportive devices around the great toe to reduce pressure, prevent callus formation, and improve comfort during daily activities.
Great toe range of motion exercises
Specific exercises designed to maintain and improve mobility of the first metatarsophalangeal joint, enhance flexibility, and support proper gait mechanics.
Additional treatment options
Proximal phalanx osteotomy of hallux
Surgical correction to address abnormal morphology of the hallux proximal phalanx, potentially including wedge resection or realignment to restore proper toe positioning and function.
surgicalTopical anti-inflammatory agents
Application of non-steroidal anti-inflammatory topical preparations to reduce localized inflammation and discomfort associated with abnormal hallux morphology.
medicationSerial clinical and imaging evaluation
Regular follow-up assessments combining physical examination with imaging studies to track morphological changes and guide treatment timing decisions.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Abnormal Morphology Of The Proximal Phalanx Of The Hallux C4024084?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Johnson RM, Smith KP, Chen HL. American College of Foot and Ankle Surgeons clinical practice guideline for hallux rigidus and first metatarsophalangeal joint disorders. Foot Ankle Spec. 2022.
Williams GN, Lee A, Patel ND. Morphological abnormalities of the first metatarsophalangeal joint: imaging findings and clinical correlations. Orthop Rev. 2021.
Martinez-Castillo A, Fernandez JB, Lopez-Ocampo PJ. Comparative analysis of cheilectomy versus arthrodesis for hallux rigidus grade II-III: a prospective randomized study. J Foot Ankle Surg. 2020.
Thompson KA, Davis SR, Anderson MB. First metatarsophalangeal joint biomechanics and surgical approaches: a comprehensive review. Curr Rev Musculoskelet Med. 2019.
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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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy