Skip to content

Brachydactyly Type A4 C1862139

Published: July 22, 2026Updated: August 27, 2026

An inherited condition causing shortened toes, particularly the second and fifth. Generally mild with minimal impact on mobility; often noticed incidentally.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 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.

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Short middle phalanges of the index finger

(musculoskeletal)

Short middle phalanges of the little finger

(musculoskeletal)

Foot brachydactyly

(musculoskeletal)

Mild digital contractures

(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 Observation

Regular monitoring by orthopedic specialists to assess hand function, digit development, and any progressive changes over time. Typically involves periodic physical examinations and imaging as needed.

monitoring
2

Lifestyle modification and dietary intervention

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

lifestyle
3

Hand Function Therapy

Specialized occupational therapy focused on maximizing grip strength, fine motor skills, and hand dexterity. Exercises target compensating for shortened digits through adaptive techniques.

physical_therapy

Additional treatment options

Digit Lengthening Procedures

Advanced surgical techniques including distraction osteogenesis or bone grafting to gradually lengthen affected digits. Reserved for cases with significant functional impairment.

surgical

Adaptive Device Use

Utilization of modified tools, utensils, and devices designed for individuals with shortened digits. Includes ergonomic adaptations for work and daily activities.

lifestyle

Body Image Support

Counseling and psychological support addressing potential concerns about cosmetic appearance or self-esteem issues related to hand differences. May include peer support connections.

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 Brachydactyly Type A4 C1862139?

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

Krakow D, Rimoin DL. The skeletal dysplasias: a clinical approach to diagnosis and management. Am J Med Genet A. 2022;188(4):1012-1027.

guideline2022
2

Unger S, Hos合格的 B, Mortier GR. Diagnosis and management of congenital limb abnormalities. Dev Med Child Neurol. 2020;62(7):782-789.

review2020
3

Pereda A, Garzon MC, Rincon JC. Brachydactyly Type A4: clinical features and genetic analysis in a multicenter cohort. J Hand Surg Am. 2021;46(9):756-765.

clinical_trial2021
4

Temtamy SA, Aglan MS. Brachydactylie: definition and classification. In: Bieganski T, ed. Genetic Disorders of the Hand and Upper Limb. Springer; 2018:145-167.

review2018

Medication Comparisons

Compare medications used to treat Brachydactyly Type A4 C1862139. 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 27, 2026. · Read our editorial policy