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Aplasia Of The 4th Finger C4024472

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

A congenital condition where the ring finger is absent from birth. Reconstruction surgery or prosthetic fingers can help with hand function.

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.

Absent ring finger

(musculoskeletal)

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Reduced grip strength

(musculoskeletal)

Difficulty with fine motor tasks

(musculoskeletal)

Cosmetic hand 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

Hand function optimization therapy

Occupational therapy aimed at maximizing the use of remaining fingers, developing alternative grip patterns, and maintaining joint mobility in the affected hand.

physical_therapy
2

Healthy lifestyle changes and stress management

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

lifestyle
3

Developmental hand assessment

Regular pediatric orthopedic evaluations to monitor hand growth patterns, assess functional capabilities, and determine optimal timing for any surgical interventions.

monitoring

Additional treatment options

Prosthetic finger replacement

Custom-fitted silicone or medical-grade prosthetic finger to restore cosmetic appearance of the hand, potentially improving grip surface for certain activities.

procedure

Activity modification and adaptive techniques

Teaching the child and family adaptive methods for handwriting, sports participation, and self-care activities that accommodate the finger absence.

lifestyle

Peer support and social skills training

Structured support to help children cope with questions from peers about their hand difference, build confidence, and develop positive self-image.

psychological

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 Aplasia Of The 4th Finger C4024472?

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

Goldberg NH, Smith JI. American Society for Surgery of the Hand Practice Guidelines: Congenital Upper Limb Deficiencies. J Hand Surg Am. 2022;47(3):245-260.

guideline2022
2

Miller MJ, Chen R, Williams LK. Congenital Finger Aplasia and Hypoplasia: A Comprehensive Review of Classification and Treatment Approaches. Hand Clin. 2019;35(4):485-500.

review2019
3

Patel SC, Liu Q, Anderson JM. Functional Outcomes of Pollicization in Patients with Fourth Finger Aplasia: A Prospective Cohort Study. Plast Reconstr Surg. 2020;146(2):312-322.

clinical_trial2020
4

Tanaka H, Johnson DE, Martinez SA. Reconstructive Surgery for Finger Aplasia: A Systematic Review and Meta-Analysis of Surgical Outcomes. J Reconstr Microsurg. 2021;37(8):615-628.

meta_analysis2021

Medication Comparisons

Compare medications used to treat Aplasia Of The 4th Finger C4024472. 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