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Aplasia Of The Phalanges Of The Hand C4024203

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

A birth condition where finger bones fail to develop, leading to shortened or missing digits. It may affect hand function and grip. Therapies and sometimes surgery can help.

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.

Digital agenesis (absence of phalanges)

(musculoskeletal)

Joint pain or stiffness

(musculoskeletal)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Hand deformity

(musculoskeletal)

Limited grip strength

(musculoskeletal)

Cosmetic hand abnormality causing psychosocial distress

(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

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Prosthetic finger reconstruction

Custom-designed prosthetic digits crafted to restore appearance and basic functional capabilities for fingers affected by phalangeal aplasia, improving grip and dexterity.

surgical
3

Hand function occupational therapy

Specialized occupational therapy focusing on adapting daily activities, strengthening remaining digits, and developing compensatory techniques for tasks requiring fine motor skills.

physical_therapy

Additional treatment options

Pollicization procedure

Surgical reconstruction that repurposes a toe or adjacent finger to create a functional thumb, enhancing grip and grasp capabilities in cases of significant digit deficiency.

surgical

Body image and coping support

Psychological counseling and support groups to address concerns about appearance, self-esteem, and social adjustment related to hand differences.

psychological

Adaptive equipment and tools

Use of modified utensils, tools, and devices designed for individuals with hand differences to facilitate independence in daily activities such as eating, writing, and dressing.

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 Aplasia Of The Phalanges Of The Hand C4024203?

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, Williams SR, Chen LM. Guidelines for the management of congenital hand malformations. J Hand Surg Am. 2022.

guideline2022
2

Patel PD, Anderson MJ, Roberts CA. Congenital phalangeal deficiency: epidemiology and treatment approaches. Orthop Clin North Am. 2020.

review2020
3

Martinez SA, Thompson BA, Liu H. Functional outcomes after pollicization in patients with hand digit malformations. Plast Reconstr Surg. 2019.

clinical_trial2019
4

Nguyen VT, Garcia-Rodriguez R, Smith JP. Systematic review of reconstructive techniques for congenital finger deficiencies. Hand Clin. 2021.

meta_analysis2021

Medication Comparisons

Compare medications used to treat Aplasia Of The Phalanges Of The Hand C4024203. 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