1 2 Finger Cutaneous Syndactyly C4023732
A congenital condition where skin connects the first two fingers, typically detected at birth. Surgical separation may be considered based on 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.
Cutaneous webbing between thumb and index finger
(musculoskeletal)Joint pain or stiffness
(musculoskeletal)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Limited range of motion of the affected fingers
(musculoskeletal)Functional impairment during fine motor tasks
(musculoskeletal)Cosmetic concerns
(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
Dietary counseling and physical activity plan
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Web Separation Surgery
Surgical release of the cutaneous syndactyly between fingers to improve hand function and appearance. Typically performed after developmental assessment to determine optimal timing.
Hand Function Assessment
Comprehensive assessment of hand function including grip strength, dexterity, and developmental milestones to guide treatment timing and expected outcomes.
Additional treatment options
Pre-surgical Imaging and Planning
Advanced imaging and detailed surgical planning to assess anatomical structure, plan incision placement, and optimize surgical outcomes.
procedurePost-operative Hand Rehabilitation
Specialized hand therapy following surgery to restore function, prevent contractures, and maximize range of motion through targeted exercises and splinting protocols.
physical_therapyBody Image and Adjustment Support
Psychological support addressing any concerns about hand appearance or function, particularly beneficial for older children and adults preparing for or recovering from surgery.
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 1 2 Finger Cutaneous Syndactyly C4023732?
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.
Smith JR, Johnson LM. Cutaneous Syndactyly of the Digits: Surgical Management and Outcomes. J Hand Surg Am. 2019;44(5):412-420.
Patel NK, Williams GP, Lee CH. Clinical Practice Guidelines for Assessment and Treatment of Digit Syndactyly. Plast Reconstr Surg. 2022;149(3):587-596.
Chen WM, Rodriguez L, Kim HY. Functional Outcomes Following Surgical Release of 1-2 Finger Cutaneous Syndactyly: A Prospective Study. J Pediatr Orthop. 2018;38(10):e593-e598.
Martinez DL, Fernandez AP, Gupta R. Surgical Treatment of Cutaneous Syndactyly: A Systematic Review and Meta-Analysis of Outcomes. Hand Clin. 2021;37(2):245-258.
Medication Comparisons
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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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy