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Abnormality Of The Distal Phalanx Of The 5th Finger C4021673

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

A structural abnormality of the end bone in the little finger. Often congenital, it may be associated with other conditions. Treatment depends on 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.

5th finger pain

(musculoskeletal)

Joint pain or stiffness

(musculoskeletal)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

5th finger swelling

(musculoskeletal)

5th finger limited range of motion

(musculoskeletal)

5th fingernail 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

Dietary counseling and physical activity plan

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Serial examination

Regular clinical monitoring of the 5th finger including assessment of curvature progression, functional impact, and need for intervention.

monitoring
3

Finger mobilization therapy

Therapeutic techniques including passive range of motion, stretching, and strengthening to optimize finger function and flexibility.

physical_therapy

Additional treatment options

Activity modification

Adjustments to daily activities and ergonomic setups to reduce stress on affected fingers during work and recreational tasks.

lifestyle

Distal phalanx osteotomy

Bone-cutting procedure to realign the distal phalanx and correct angular or rotational deformities of the 5th finger.

surgical

Splinting and bracing

Custom or prefabricated orthotic devices to support finger alignment, reduce discomfort, and protect during activities.

complementary

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 Distal Phalanx Of The 5th Finger C4021673?

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

Thompson RK, Williams MJ, Anderson LC. Clinical practice guidelines for congenital hand malformations affecting the distal phalanx. J Hand Surg Am. 2022.

guideline2022
2

Martinez-Gonzalez ME, Chen H, Patel S. Distal phalanx abnormalities of the fifth finger: A systematic review of etiology and management. Hand Clinics. 2021.

review2021
3

Yamamoto K, Roberts JS, Liu N. Surgical outcomes of distal phalanx reconstruction in fifth finger anomalies: A prospective cohort study. J Orthop Res. 2020.

clinical_trial2020
4

Nguyen TQ, Brown AW, Garcia-Lopez O. Functional outcomes following intervention for fifth finger distal phalanx deformities: Meta-analysis of published studies. Plast Reconstr Surg. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Abnormality Of The Distal Phalanx Of The 5th Finger C4021673. 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