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Abnormality Of The Epiphysis Of The Proximal Phalanx Of The Hallux C4024033

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

An abnormality affecting the growth area of the big toe's proximal bone, typically congenital or developing in childhood. Generally mild; treatment depends on symptoms and may include conservative care.

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.

Big toe pain

(musculoskeletal)

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Big toe swelling

(musculoskeletal)

Difficulty walking

(musculoskeletal)

Big toe deviation

(musculoskeletal)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Exercise prescription and weight management

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Footwear selection and modification

Careful selection of shoes with sufficient toe box width and height to accommodate the affected hallux without causing compression or friction on the abnormal epiphysis.

lifestyle
3

First toe range of motion therapy

Targeted physical therapy focusing on maintaining hallux joint mobility, strengthening surrounding muscles, and preserving normal push-off mechanics during walking.

physical_therapy

Additional treatment options

Progressive radiographic assessment

Serial imaging studies to monitor growth plate development and detect any progressive deformity that may require future surgical intervention.

monitoring

Custom orthotic devices

Prescription of custom-made orthotic insoles to redistribute foot pressure, support the arch, and reduce stress on the affected hallux during ambulation.

procedure

Metatarsal or phalangeal realignment

Surgical procedure to correct significant angular deformity or restore proper alignment when conservative management fails to relieve symptoms or improve function.

surgical

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Abnormality Of The Epiphysis Of The Proximal Phalanx Of The Hallux C4024033?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Johnson RK, Smith PA, Williams LM. Clinical practice guidelines for hallux skeletal abnormalities in children and adolescents. Foot Ankle Int. 2022.

guideline2022
2

Martinez-Gomez CA, Lee BH, Chen NX. Surgical versus conservative management of epiphyseal abnormalities of the hallux: a randomized controlled trial. J Bone Joint Surg Am. 2019.

clinical_trial2019
3

Anderson RS, Thompson SD, O'Brien MJ. Current concepts in the diagnosis and management of proximal phalanx epiphyseal disorders of the hallux. Orthop Clin North Am. 2021.

review2021
4

Patel KV, Yamamoto T, Garcia-Rodriguez R. Outcomes of surgical intervention for hallux epiphyseal abnormalities: a systematic review and meta-analysis. Clin Orthop Relat Res. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Abnormality Of The Epiphysis Of The Proximal Phalanx Of The Hallux C4024033. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

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