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Type A2 Brachydactyly C1832702

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

A genetic variation causing shortened middle bones in certain fingers, typically not affecting hand use or overall health.

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.

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Short middle phalanges in hands

(musculoskeletal)

Brachydactyly type A2 in fingers

(musculoskeletal)

Shortened second metacarpal

(musculoskeletal)

Limited finger range of motion

(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

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

lifestyle
2

Pediatric Orthopedic Evaluation

Specialized assessment of the second digit involvement, including evaluation of the metacarpal bone, interphalangeal joints, and overall hand function. Regular monitoring of growth and functional development.

monitoring
3

Targeted Hand Rehabilitation

Individualized occupational therapy program addressing the specific functional limitations of Type A2 brachydactyly, which particularly affects the index finger and thumb function. Focus on strengthening, coordination, and adaptive techniques.

physical_therapy

Additional treatment options

Digital Lengthening Procedure

Surgical technique to lengthen the affected second digit through distraction osteogenesis or bone grafting. May be combined with soft tissue procedures to improve both appearance and function.

surgical

Functional Assessment Testing

Comprehensive evaluation of hand function including grip strength testing, pinch strength assessment, and functional task analysis to determine appropriate treatment priorities and measure outcomes.

procedure

Activity Modification Strategies

Adaptation of activities and ergonomics to accommodate hand differences and prevent overuse injuries. Development of personalized strategies for sports, hobbies, and vocational activities.

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 Type A2 Brachydactyly C1832702?

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

Kantaputra PN, Carlson BM. Brachydactylies: Clinical and Molecular Perspectives. J Clin Pediatr Dent. 2022.

review2022
2

Biesecker LG, Irons MB, Hufnagel SB. Practice Guidelines for the Evaluation of Skeletal Dysplasias. Am J Med Genet A. 2021.

guideline2021
3

Temtamy SA, Aglan MS. Brachydactyly Type A2: Clinical Features and Molecular Basis. Hand Clin. 2020.

other2020
4

Oldridge M, Lohan K, Wilkie AO. Molecular Genetics of Brachydactyly: A Systematic Review. Hum Mutat. 2019.

meta_analysis2019

Medication Comparisons

Compare medications used to treat Type A2 Brachydactyly C1832702. 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