1 3 Toe Syndactyly C4025774
A birth condition where the first and third toes are connected by skin. It typically affects both feet and is usually mild, requiring no treatment unless it causes problems walking.
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.
Warning signs - seek immediate care
Recurrent skin infections
Repeated bacterial or fungal infections in the toe web space due to moisture and friction.
Immediately if signs of serious infection develop: fever, spreading redness, pus, foul odor, or increasing pain.
Functional impairment affecting mobility
Severe cases may significantly limit walking ability, running, or participation in sports.
If walking becomes increasingly difficult or mobility is significantly impacted; surgical consultation recommended.
Fused appearance of toes 1-3
(musculoskeletal)Two or more of the first three toes are visibly joined together at birth, appearing as a single fused digit.
Frequency: 100% of patients (present at birth)
Difficulty fitting footwear
(musculoskeletal)Standard shoes may not fit properly due to the abnormal toe shape, causing discomfort or pressure points.
Frequency: 80-90% of patients
Abnormal gait pattern
(musculoskeletal)Walking pattern may be altered due to the fused toes affecting foot mechanics and push-off during walking.
Frequency: 60-70% of patients
Reduced toe flexibility
(musculoskeletal)The fused toes have limited independent movement, reducing overall foot flexibility.
Frequency: 70-80% of patients
Skin irritation or blisters
(dermatologic)Friction from poorly fitting shoes can cause skin irritation, blisters, or redness on the fused toes.
Frequency: 50-60% of patients
Balance difficulties
(neurologic)Difficulty maintaining balance on uneven surfaces due to altered foot mechanics from the fused toes.
Frequency: 20-30% of patients
Self-consciousness about foot appearance
(psychiatric)Emotional distress or social anxiety related to the visible difference in foot appearance.
Frequency: 15-25% of patients
Chronic foot pain
(musculoskeletal)Persistent pain in the forefoot or toe area, especially during weight-bearing activities.
Frequency: 5-10% of patients
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
Healthy lifestyle changes and stress management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Pediatric Foot Growth Assessment
Systematic monitoring of foot development, toe alignment, and walking pattern in growing children with toe syndactyly to guide treatment timing.
Toe Web Release with Skin Grafting
Surgical separation of the first three toes with reconstruction using skin grafts from other body areas to cover the defects and prevent re-webbing.
Additional treatment options
Activity Modification Guidance
Recommendations for appropriate physical activities that minimize stress on the affected toes while maintaining overall foot health and function.
lifestyleFoot and Ankle Rehabilitation
Comprehensive physical therapy program addressing toe mobility, balance training, and lower extremity strength to maintain optimal foot function.
physical_therapySelf-Esteem and Acceptance Therapy
Individualized psychological support to address concerns about foot appearance and promote body acceptance, particularly during adolescent years.
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 3 Toe Syndactyly C4025774?
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.
American Academy of Orthopaedic Surgeons. Management of Congenital Syndactyly: Clinical Practice Guideline. AAOS; 2020.
Kelley BP, Swanson C, Chung KC. Syndactyly: A Comprehensive Review of Diagnosis and Treatment. J Hand Surg Am. 2022;47(3):245-258.
Ghani HA, Hakeem F. Congenital Foot Syndactyly: Classification and Surgical Management. Orthop Rev. 2021;13(2):e8890.
Miller MD, Thompson SR. Deformities of the Foot. In: Miller's Review of Orthopaedics. 8th ed. Elsevier; 2020:345-367.
American Society of Plastic Surgeons. Consensus Statement on Syndactyly Reconstruction. ASPS Position Statement. 2019.
Bae DS, McCarroll HR, Cornwall R. Comparative Study of Surgical Techniques for Syndactyly: A Multi-Center Clinical Trial. Clin Orthop Relat Res. 2021;479(4):782-791.
Liu Y, Li Z, Wang J, et al. Surgical Outcomes of Syndactyly Release: A Systematic Review and Meta-Analysis. J Pediatr Orthop. 2020;40(5):e412-e421.
International Consensus Group on Congenital Limb Malformations. Consensus Document on Classification and Management of Syndactyly. Orphanet J Rare Dis. 2018;13(1):198.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy