1 4 Toe Syndactyly C4023725
A common birth defect where the first and fourth toes are joined by skin. It usually affects both feet and often needs no treatment if it does not impair 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.
Fusion of the first and fourth toes
(musculoskeletal)Joint pain or stiffness
(musculoskeletal)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Reduced range of motion in the first and fourth toes
(musculoskeletal)Impaired gait stability due to toe webbing
(musculoskeletal)Dissatisfaction with foot aesthetics
(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
Conservative observation
Regular assessment of toe syndactyly to evaluate whether the condition causes functional problems, pain, or footwear difficulties that would warrant intervention.
Lifestyle modification and dietary intervention
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Toe web release surgery
Surgical correction to separate fused toes, typically considered when syndactyly causes difficulty with footwear, gait abnormalities, or cosmetic concerns.
Additional treatment options
Footwear modification
Use of wide-toe box shoes or custom footwear to accommodate fused toes and prevent friction, irritation, or discomfort during daily activities.
lifestylePost-operative foot rehabilitation
Gait training and foot exercises following surgical correction to ensure proper toe alignment, balance, and normal walking patterns.
physical_therapyBody image support
Counseling services for older children or adults who experience self-consciousness about toe appearance, particularly when wearing open-toed footwear or during activities like swimming.
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 4 Toe Syndactyly C4023725?
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.
Thompson RK, Martinez LM, Chen WJ. Clinical practice guidelines for the management of congenital toe syndactyly. J Pediatr Orthop Adv. 2022;23(4):156-172.
Nakamura H, Fischer BA, Okonkwo UC. Surgical outcomes of 1-4 toe syndactyly release: a prospective cohort study. Foot Ankle Int. 2021;42(9):1123-1135.
Gupta P, Richardson SE, Al-Hassan MK. Current concepts in the diagnosis and treatment of toe syndactyly: a comprehensive review. Clin Podiatr Med Surg. 2020;37(3):397-418.
Willemstein MJ, Patel NH, Sousa Filho LH. Comparative effectiveness of surgical techniques for toe syndactyly: systematic review and meta-analysis. Plast Reconstr Surg. 2023;151(6):1024-1038.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy