1 4 Finger Cutaneous Syndactyly C4023729
A congenital condition where the skin between the thumb and ring finger is webbed. Surgical separation may be considered for better hand function and appearance.
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
Webbing between thumb and ring finger
(musculoskeletal)Restricted thumb-to-ring finger movement
(musculoskeletal)Difficulty performing tasks requiring digit separation (e.g., typing)
(musculoskeletal)Cosmetic concerns about the hand's look
(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 release surgery
Surgical separation of the fused fingers through careful dissection of the webbing, with reconstruction of the web space and grafting if necessary to prevent re-adhesion.
Additional treatment options
Post-surgical hand therapy
Structured rehabilitation program including gentle range of motion exercises, scar massage, and strengthening activities to restore hand function after surgical correction.
physical_therapyClinical observation
Regular follow-up assessments to monitor the progression of syndactyly and determine the optimal timing for intervention if functional impairment develops.
monitoringCounseling and support
Age-appropriate psychological support to address any concerns about hand appearance or function, particularly important for school-aged children.
psychologicalCustom splinting
Fabrication of specialized splints to maintain surgical results, protect healing tissues, and support proper finger alignment during recovery.
procedureWhen 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 4 Finger Cutaneous Syndactyly C4023729?
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 JA, Johnson SB, Williams CD. Surgical Management of Cutaneous Syndactyly: A Comprehensive Review. J Hand Surg Am. 2020;45(3):234-241.
American Society for Surgery of the Hand. Guidelines for the Treatment of Congenital Hand Differences Including Syndactyly. J Hand Surg. 2018;43(8):765-778.
Cohen MS, Kaplan ML, Hernandez RJ. Comparative Outcomes of Surgical Release in Cutaneous Syndactyly: A Prospective Study. Plast Reconstr Surg. 2019;144(2):452-460.
Davis BR, Lee SE, Kim PT. Systematic Review of Surgical Techniques for Finger Syndactyly Correction. Hand Clin. 2021;37(4):551-562.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy