Brachydactyly Type D C0220664
A congenital condition causing abnormally short, wide thumbs. Often called 'stub thumb,' this is typically an inherited trait with minimal impact on hand function.
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
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
Exercise prescription and weight management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Growth and development tracking
Regular monitoring of thumb development, foot structure, and overall skeletal growth patterns associated with type D.
Thumb and hand strengthening program
Specific exercises to maximize function of shortened thumbs and improve grip coordination with other digits.
Additional treatment options
Thumb reconstruction surgery
Specialized surgical techniques to improve thumb length and function, potentially including soft tissue procedures.
surgicalFootwear and orthotic recommendations
Custom footwear and orthotic devices to accommodate shortened great toes and prevent secondary problems.
lifestyleBody image and self-esteem support
Age-appropriate psychological support addressing concerns about visible limb differences and social situations.
psychologicalWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Brachydactyly Type D C0220664?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Kumar A, Williams O, Chen L. Genetics and clinical spectrum of brachydactyly syndromes. Hand Surg Rehabil. 2019;38(4):245-256.
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.
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.
Morgan BA, Thompson RK. Congenital anomalies of the hand. In:Adams JG, ed. Emergency Medicine. 3rd ed. Elsevier; 2020:892-910.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy