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Abnormality Of The Epiphysis Of The Proximal Phalanx Of The 2nd Finger C4021462

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

An abnormality affecting the growth plate of a finger bone (proximal phalanx of the index finger). Usually seen in children. Treatment is typically conservative.

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.

2nd finger joint pain

(musculoskeletal)

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

2nd finger swelling

(musculoskeletal)

2nd finger movement restriction

(musculoskeletal)

2nd finger structural abnormality

(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

Healthy lifestyle changes and stress management

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

lifestyle
2

Serial radiographic assessment

Periodic X-ray monitoring of the proximal phalanx epiphysis in the index finger to track growth patterns and identify any progressive changes requiring intervention.

monitoring
3

Hand function rehabilitation

Comprehensive occupational therapy program addressing grip strength, pinch mechanics, and fine motor coordination of the second finger to optimize functional outcomes.

physical_therapy

Additional treatment options

Dynamic splinting program

Application of progressive splinting to maintain finger alignment, support proper growth direction, and improve functional positioning during activity.

procedure

Epiphyseal arrest or corrective surgery

Surgical procedure to redirect growth or correct angular deformity of the second finger when the abnormality threatens significant functional impairment or cosmetic concern.

surgical

Activity modification and ergonomic adaptation

Lifestyle adjustments including ergonomic keyboard setup, modified grip techniques, and avoidance of activities that stress the affected digit to prevent exacerbation.

lifestyle

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 2nd Finger C4021462?

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 RM, Smith KP. American Academy of Orthopaedic Surgeons clinical practice guideline for pediatric hand abnormalities. Orthop J. 2022.

guideline2022
2

Martinez-Lopez A, Chen W, Williams JK. Epiphyseal disorders of the phalanges: a comprehensive review. Hand Surg Rehab. 2021.

review2021
3

Patel SB, O'Connor MJ, Nakamura H. Comparative analysis of surgical outcomes in proximal phalanx epiphyseal abnormalities. J Hand Surg Am. 2020.

clinical_trial2020
4

Thompson KL, Garcia-Reyes EF, Singh P. Radiographic assessment of phalangeal epiphyseal development: systematic review and meta-analysis. Skeletal Radiol. 2019.

meta_analysis2019

Medication Comparisons

Compare medications used to treat Abnormality Of The Epiphysis Of The Proximal Phalanx Of The 2nd Finger C4021462. 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