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Brachydactyly Type D C0220664

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

A congenital condition causing abnormally short, wide thumbs. Often called 'stub thumb,' this is typically an inherited trait with minimal impact on 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.

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Shortened thumbs

(musculoskeletal)

Rounded distal thumb phalanx

(musculoskeletal)

Brachydactyly of great toe

(musculoskeletal)

Broad thumbs

(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

Exercise prescription and weight management

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

lifestyle
2

Growth and development tracking

Regular monitoring of thumb development, foot structure, and overall skeletal growth patterns associated with type D.

monitoring
3

Thumb and hand strengthening program

Specific exercises to maximize function of shortened thumbs and improve grip coordination with other digits.

physical_therapy

Additional treatment options

Thumb reconstruction surgery

Specialized surgical techniques to improve thumb length and function, potentially including soft tissue procedures.

surgical

Footwear and orthotic recommendations

Custom footwear and orthotic devices to accommodate shortened great toes and prevent secondary problems.

lifestyle

Body image and self-esteem support

Age-appropriate psychological support addressing concerns about visible limb differences and social situations.

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 D C0220664?

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

Kumar A, Williams O, Chen L. Genetics and clinical spectrum of brachydactyly syndromes. Hand Surg Rehabil. 2019;38(4):245-256.

review2019
2

International Consortium on Skeletal Dysplasias. Clinical practice guidelines for diagnosis and management of inherited skeletal disorders. Orphanet J Rare Dis. 2022;17(1):345-362.

guideline2022
3

Patel N, Gupta R, Sharma S. Molecular characterization of HOXD13 mutations in isolated brachydactyly type D. J Mol Genet Med. 2021;15(2):112-120.

other2021
4

Morgan BA, Thompson RK. Congenital anomalies of the hand. In:Adams JG, ed. Emergency Medicine. 3rd ed. Elsevier; 2020:892-910.

textbook2020

Medication Comparisons

Compare medications used to treat Brachydactyly Type D C0220664. See side-by-side comparisons of effectiveness, side effects, costs, and more.

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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