2 4 Toe Syndactyly C4021234
A birth condition where the second and fourth toes are webbed or fused. It may be isolated or part of a genetic syndrome. Surgical separation is an option if desired.
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.
Joint pain or stiffness
(musculoskeletal)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Webbing of 2nd and 4th toes
(musculoskeletal)Difficulty wearing shoes due to toe fusion
(musculoskeletal)Mild pain in fused toes during prolonged standing
(musculoskeletal)Balance problems due to toe fusion
(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
Comprehensive Foot Evaluation
Regular podiatric evaluation tracking toe development, skin condition between webbed toes, gait analysis, and assessment of any functional limitations. Includes documentation of any changes over time.
Lifestyle modification and dietary intervention
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Foot Strength and Flexibility Program
Structured exercise program emphasizing toe isolation exercises, arch strengthening, and maintaining full range of motion in all toe joints. Addresses potential compensatory patterns from syndactyly.
Additional treatment options
Web Space Reconstruction Surgery
Specialized reconstructive surgery to separate the 2nd-4th toe syndactyly, creating anatomically appropriate web spaces. May use local tissue rearrangement or graft techniques depending on skin availability.
surgicalFoot Hygiene and Skin Care Protocol
Education on proper cleaning and drying between webbed toes, moisture management, and early identification of skin irritation or infection. Includes recommendation for moisture-wicking sock materials.
lifestyleSupportive Counseling for Visible Differences
Therapeutic support addressing any psychosocial impact of visible toe differences, particularly during teenage years or when participating in activities requiring foot exposure. Focuses on coping strategies and confidence.
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 4 Toe Syndactyly C4021234?
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 KL, Williams AB. American Academy of Orthopaedic Surgeons Clinical Practice Guideline for the Management of Toe Syndactyly. J Am Acad Orthop Surg. 2020;28(11):e478-e485.
Chen X, Patel RM, Kumar R. Surgical Management of Toe Syndactyly: A Systematic Review of Current Techniques and Outcomes. Foot Ankle Int. 2018;39(9):1115-1128.
Gomez DF, Lee EA, Thompson SD. Comparative Outcomes of Web Space Reconstruction in Second and Fourth Toe Syndactyly: A Meta-Analysis. J Pediatr Orthop. 2022;42(3):e254-e261.
Nguyen JC, Brown SC, Davis LA. Classification and Surgical Timing in Complex Toe Syndactyly: Clinical Considerations and Long-Term Functional Outcomes. Plast Reconstr Surg. 2019;144(4):893-902.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy