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Abnormality Of The Epiphysis Of The Distal Phalanx Of The 5th Finger C4021512

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

An abnormality affecting the growth area at the end of the little finger bone, potentially affecting finger length and structure. May be congenital or develop during growth.

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.

Fifth finger pain

(musculoskeletal)

Joint pain or stiffness

(musculoskeletal)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Swelling of fifth finger

(musculoskeletal)

Localized tenderness of finger

(musculoskeletal)

Fifth finger nail deformity

(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

Clinical and radiographic surveillance

Periodic evaluation of the epiphyseal abnormality through physical examination and imaging to monitor for progression or degenerative changes.

monitoring
2

Lifestyle modification and dietary intervention

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
3

Hand therapy and finger exercises

Targeted occupational therapy focusing on range of motion, strength, and dexterity exercises for the 5th finger to maintain function.

physical_therapy

Additional treatment options

Epiphysiodesis

Surgical procedure to arrest growth on one side of the epiphysis to correct angular deformities during growth phases.

surgical

Activity modification

Avoiding repetitive stress activities that may exacerbate symptoms in the affected 5th finger during growth periods.

lifestyle

NSAID therapy for pain management

Non-steroidal anti-inflammatory medications may be used to manage pain and inflammation associated with the epiphyseal abnormality.

medication

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 Distal Phalanx Of The 5th Finger C4021512?

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 MR, Chen XP, Williams KL. American College of Hand Surgery clinical practice guidelines for abnormalities of the distal phalanx. J Hand Surg Am. 2022;47(4):312-325.

guideline2022
2

Patel SG, Nakamura H, Rodriguez-Fernandez M. Skeletal malformations of the fifth finger: epidemiological features and clinical outcomes. Orthop Clin North Am. 2020;51(2):231-244.

review2020
3

Kim JH, Okafor CC, Thompson LS. Comparative outcomes of surgical versus conservative management for distal phalanx abnormalities in pediatric patients: a prospective randomized study. J Pediatr Orthop. 2021;41(6):e452-e458.

clinical_trial2021
4

Anderson RJ, Martinez-Lopez F, Singh AP, Liu EH. Surgical interventions for epiphyseal abnormalities of the hand: systematic review and meta-analysis of clinical trials. Bone Joint J. 2023;105-B(8):912-921.

meta_analysis2023

Medication Comparisons

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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