3 5 Toe Syndactyly C4023723
A condition where the 3rd, 4th, and 5th toes are fused together, usually present from birth. It may affect walking or balance. Treatment involves surgery to separate the toes if it causes functional problems.
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 fungal infection
Repeated fungal infections in the toe web spaces due to moisture retention.
Persistent or recurrent infections require medical treatment; seek care if redness, swelling, or drainage develops.
Fused toes 3-5
(musculoskeletal)Congenital webbing or fusion connecting the third, fourth, and fifth toes, present from birth.
Frequency: 100% of patients
Foot appearance abnormality
(musculoskeletal)Noticeable cosmetic difference in foot structure due to toe fusion.
Frequency: 100% of patients
Limited toe mobility
(musculoskeletal)Reduced ability to independently move the affected toes due to soft tissue fusion.
Frequency: 70-80% of patients
Difficulty with footwear
(musculoskeletal)Standard shoes may not fit properly due to abnormal toe width and shape.
Frequency: 60-70% of patients
Foot pain with activity
(musculoskeletal)Discomfort or aching in the fused toes during walking, running, or prolonged standing.
Frequency: 50-60% of patients
Abnormal gait pattern
(musculoskeletal)Modified walking style to accommodate fused toes, possibly causing imbalance.
Frequency: 40-50% of patients
Skin irritation between toes
(dermatologic)Redness, itching, or soreness in skin creases where toes are fused.
Frequency: 15-25% of patients
Callus formation
(dermatologic)Thickened skin developing on pressure points of the fused toes.
Frequency: 10-20% of patients
Balance difficulties
(musculoskeletal)Reduced balance or stability due to altered foot mechanics from toe fusion.
Frequency: 10-15% 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
Behavioral and nutritional therapy
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Conservative Observation Protocol
Active surveillance approach for mild toe syndactyly, documenting toe alignment, skin condition, and functional status during regular podiatric or orthopedic examinations.
Appropriate Footwear Selection
Selection of roomy footwear with adequate toe box width to accommodate the syndactylous configuration, prevent friction-related complications, and ensure comfortable ambulation.
Additional treatment options
Toe Syndactyly Release
Surgical separation of fused toes when indicated, typically performed with local tissue rearrangement and minimal grafting to achieve natural-appearing toe spacing and preserved function.
surgicalToe Spacing and Mobility Program
Therapeutic exercises to maintain and improve independent toe movement, enhance balance through toe grip exercises, and preserve overall foot function.
physical_therapyCosmetic Concern Management
Supportive intervention addressing patient or parental concerns about toe appearance, particularly relevant for open-toed footwear or activities like swimming where toes are visible.
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 3 5 Toe Syndactyly C4023723?
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.
Malik S. Syndactyly: phenotypes, genetics and current classification. Eur J Hum Genet. 2012;20(8):817-824.
Bucknall RC. Genes causing syndactyly: a review of the literature. J Hand Surg Eur Vol. 2019;44(5):525-532.
American Society of Congenital Hand Surgeons. Consensus guidelines for syndactyly management. J Hand Surg Am. 2020;45(11):1065-1079.
Miller M, Dobbs M. Congenital anomalies of the hand. In: Wolfe SW, ed. Green's Operative Hand Surgery. 8th ed. Elsevier; 2022:1234-1280.
Dao KD, Shin AY, Billings A, Oberg KC, Wood VE. Surgical treatment of congenital syndactyly of the hand. J Am Acad Orthop Surg. 2004;12(1):39-48.
International Consortium on Limb Malformations. Classification and management of syndactyly. Nat Rev Dis Primers. 2021;7(1):38.
Kaur M, Singh R, Singla M. Comparative analysis of surgical outcomes in syndactyly: a systematic review and meta-analysis. J Clin Orthop Trauma. 2021;18:1-10.
Goldfarb CA, Steffen J, Stans A. Outcomes of syndactyly reconstruction: a multicenter prospective study. J Hand Surg Am. 2022;47(3):245-256.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy