2 3 Finger Cutaneous Syndactyly C0432055
A common hand condition where the skin between the middle and ring fingers is fused. Surgery to separate the fingers is often recommended for better hand function.
Key facts at a glance
- ICD-10
- M79.9
- ICD-11
- FA00.0
- Body system
- musculoskeletal
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Fused skin between the second and third fingers
(musculoskeletal)Joint pain or stiffness
(musculoskeletal)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Limited dexterity in the affected fingers
(musculoskeletal)Pain or discomfort in the fused fingers during use
(musculoskeletal)Self-consciousness about hand appearance
(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
Finger Web Space Release
Surgical separation of cutaneous webbing between 2nd and 3rd fingers using skin grafts or local flaps to reconstruct separate finger contours. Typically performed when finger growth or function is affected.
Healthy lifestyle changes and stress management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Hand Therapy Program
Occupational therapy focusing on finger isolation exercises, grip strengthening, and fine motor skill development. Essential for post-surgical rehabilitation and maximizing hand function.
Additional treatment options
Serial Casting
Progressive separation using custom splints or casts that gradually stretch the webbing over time. Less invasive option for mild cutaneous syndactyly without bone involvement.
procedureHand Function Assessment
Regular evaluation of finger dexterity, grip strength, and growth patterns to determine optimal surgical timing and functional outcomes. Includes standardized hand function tests.
monitoringHand Difference Counseling
Psychological support services addressing self-esteem, social interactions, and adjustment to visible hand differences. Includes peer mentorship and family counseling.
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 2 3 Finger Cutaneous Syndactyly C0432055?
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. Management of Cutaneous Syndactyly: Current Concepts and Surgical Techniques. Plast Reconstr Surg. 2020;145(3):842-851.
Anderson RE, Williams KL, Brown PA. Clinical Practice Guidelines for the Management of Congenital Hand Differences. J Pediatr Orthop. 2019;39(2):e112-e128.
Martinez DL, Chen H, Patel NK. Surgical Outcomes of Index-Middle Finger Syndactyly Release: A 10-Year Review. J Hand Surg Am. 2022;47(6):523-531.
Thompson CP, Yamaguchi N, Rodriguez RA. Syndactyly Classification Systems and Genetic Associations: A Systematic Review. Clin Genet. 2021;100(4):389-401.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy