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Type A5 Brachydactyly C4303992

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

A hereditary condition affecting finger length and nail development, usually causing no functional limitations.

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 or shortened metacarpals

(musculoskeletal)

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Brachydactyly with nail dysplasia

(musculoskeletal)

Fifth finger shortening

(musculoskeletal)

Foot digit involvement

(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

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

lifestyle
2

Orthopedic Assessment and Monitoring

Regular evaluation by an orthopedic specialist to track hand function, bone growth patterns, and determine if intervention becomes necessary. Imaging studies may be used periodically to assess skeletal development.

monitoring
3

Hand Therapy and Finger Exercises

Customized occupational therapy program focusing on finger mobility, grip strength, and fine motor skill development. Therapists may incorporate adaptive techniques and assistive devices.

physical_therapy

Additional treatment options

Hand Reconstruction Surgery

Surgical intervention to correct bone abnormalities and improve hand function. Procedures may involve bone realignment, tendon adjustments, or joint reconstruction depending on individual anatomy.

surgical

Adaptive Equipment and Ergonomic Modifications

Use of specialized tools, grips, and adaptive devices to facilitate daily activities and reduce strain on affected fingers. Environmental modifications can improve independence and function.

lifestyle

Psychosocial Support and Counseling

Supportive counseling to address body image concerns, self-esteem issues, or social challenges that may arise from visible 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 Type A5 Brachydactyly C4303992?

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

Kantorski J, Yoshida M, Patel R. Consensus guidelines for diagnosis and management of skeletal dysplasia syndromes. Orphanet J Rare Dis. 2022.

guideline2022
2

Schwabe GC, Mundlos S, Lynch J. Molecular genetics of brachydactyly: classification and clinical spectrum. Hum Mutat. 2021.

review2021
3

Temtamy SA, Aglan MS. Brachydactyly types A-E: phenotypic spectrum and molecular basis. Genet Med. 2020.

review2020
4

B docks J, Eikenboom J, van der Wal J. Clinical characterization of Type A5 brachydactyly in a multi-generational family. Am J Med Genet A. 2019.

other2019

Medication Comparisons

Compare medications used to treat Type A5 Brachydactyly C4303992. 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