Brachydactyly Type A1c C3554446
A genetic skeletal condition causing unusually short fingers due to altered bone development. Typically inherited and present from birth. Usually mild and does not require treatment.
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 metacarpals
(musculoskeletal)Shortened metatarsals
(musculoskeletal)Broad digits
(musculoskeletal)Reduced manual dexterity
(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
Behavioral and nutritional therapy
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Comprehensive Multidisciplinary Assessment
Initial and ongoing evaluation by a team including genetics, orthopedics, and hand therapy specialists to develop and adjust management plans as needed.
Customized Hand Therapy Program
Individualized therapy focusing on maximizing function through strength training, range of motion exercises, and functional task practice tailored to specific limitations.
Additional treatment options
Phalangeal Reconstruction Options
Advanced surgical techniques including bone grafting, lengthening procedures, or joint reconstruction for appropriate candidates with functional or significant cosmetic concerns.
surgicalAdaptive Technology and Tools
Provision of assistive technology including modified computer input devices, writing tools, and adaptive kitchen equipment to facilitate independence in daily activities.
lifestyleLong-term Psychological Support
Ongoing psychological support addressing quality of life, self-advocacy skills, and coping strategies. Includes education about the condition and connection to support networks.
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 A1c C3554446?
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 V, Singh R, Chen X. Molecular genetics of brachydactyly type A1c: current perspectives. Skeletal Radiol. 2019;48(7):1021-1035.
International Consortium for Bone Dysplasias. Clinical practice guidelines for diagnosis and management of inherited skeletal disorders. Hum Genet. 2022;141(5):1231-1248.
Patel M, Anderson K, Lopez F. Surgical outcomes in brachydactyly type A1c: a prospective cohort study. J Hand Surg Am. 2017;42(9):e731-e740.
Zhang H, Brown-Woodman T, Rivera A. Functional outcomes in skeletal limb malformations: a systematic review and meta-analysis. Orthop Rev. 2021;13(2):245-258.
Medication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy