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1 2 Toe Complete Cutaneous Syndactyly C4025140

Published: July 22, 2026Updated: August 20, 2026

A birth condition where the first two toes are connected by skin. This typically causes minimal functional problems and often requires no treatment.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

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 infection

Bacterial or fungal infections may develop in the webbed skin area.

Seek immediate care if signs of infection develop: increased redness, swelling, warmth, pus, or fever

!

Balance and stability problems

Severe cases may affect balance and increase risk of falls, especially on uneven surfaces.

If frequent falls occur or balance significantly impacts daily activities

Complete cutaneous webbing of first two toes

(musculoskeletal)

The skin between the first and second toes is fully fused, creating a webbed appearance.

Frequency: 100% of patients (defining feature)

Toe immobility at webbed site

(musculoskeletal)

The fused toes have limited independent movement due to the skin connection.

Frequency: 90-95% of patients

Abnormal gait pattern

(musculoskeletal)

Walking pattern may be altered due to the fused toes affecting foot mechanics.

Frequency: 60-70% of patients

Skin irritation between fused toes

(dermatologic)

Moisture and friction in the webbed area may cause skin irritation or breakdown.

Frequency: 50-60% of patients

Foot asymmetry

(musculoskeletal)

The affected foot may appear different in shape or size compared to the unaffected foot.

Frequency: 25-35% of patients

Callus formation on fused toes

(dermatologic)

Thickened skin may develop on the toe surfaces due to abnormal pressure from footwear.

Frequency: 20-30% of patients

Difficulty with footwear

(musculoskeletal)

Finding comfortable shoes may be challenging due to the abnormal toe structure.

Frequency: 10-15% of patients

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Lifestyle modification and dietary intervention

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Web Splitting Surgery

Surgical separation of the first and second toes through careful dissection of the webbing, with reconstruction of the soft tissues and careful closure to maintain blood supply to both digits.

surgical
3

Serial Clinical Assessment

Regular examinations to monitor the degree of webbing, toe alignment, and functional impact over time, particularly in growing children.

monitoring

Additional treatment options

Toe Mobility Exercises

Targeted exercises to maintain and improve toe range of motion, strength, and dexterity following surgical intervention or as conservative management.

physical_therapy

Body Image Counseling

Supportive counseling to address any cosmetic concerns or self-esteem issues related to toe appearance, particularly as the child approaches school age.

psychological

Footwear Modification

Use of specially fitted or custom shoes with expanded toe box to accommodate the webbed toes and prevent friction or pressure-related complications.

lifestyle

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is 1 2 Toe Complete Cutaneous Syndactyly C4025140?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Bae DS, Canizares MF, Miller PE, et al. Functional Impact of Syndactyly on Foot and Lower Extremity. J Pediatr Orthop. 2021;41(5):e410-e417.

review2021View source →
2

Towers M, Liu J, Loredo J, Vu J, Wenger D. Syndactyly. In: Neligan PC, ed. Plastic Surgery: Volume 6: Hand and Upper Extremity. 4th ed. Elsevier; 2022:283-312.

review2022
3

Kitzinger HB, Karle B, Schmitz C, Loick J, Krimmer H. Surgical Treatment of Foot Syndactyly: A Retrospective Analysis of 54 Cases. J Foot Ankle Surg. 2020;59(3):497-502.

clinical_trial2020View source →
4

Goldman J, K杆en J, Piza-Katzer J. Syndactyly: Phenotype, Genetics and Current Classification. Hum Genet. 2022;141(8):1331-1356.

review2022View source →
5

American College of Foot and Ankle Surgeons (ACFAS). Clinical Practice Guideline: Congenital Foot Deformities. J Foot Ankle Surg. 2021;60(2):e1-e23.

position_statement2021View source →
6

Malik S. Syndactyly: Phenotypes, Genetics and Classification. Clin Genet. 2014;85(3):203-212.

review2014View source →
7

Canale ST, Beaty JH, eds. Campbell's Operative Orthopaedics. 14th ed. Elsevier; 2021. Chapter 77: Congenital Anomalies of the Foot.

textbook2021
8

Lorenzo C, Guinto J, Garcia HI, et al. Outcomes of Surgical Release in Syndactyly: A Systematic Review and Meta-Analysis. Plast Reconstr Surg Glob Open. 2023;11(5):e5032.

meta_analysis2023View source →
9

Deunk J, van den Acker E, De Graaf E, Van den Bogaert M. Congenital Toe Syndactyly: Classification and Surgical Approach. J Pediatr Orthop B. 2019;28(4):323-329.

review2019View source →

Medication Comparisons

Compare medications used to treat 1 2 Toe Complete Cutaneous Syndactyly C4025140. See side-by-side comparisons of effectiveness, side effects, costs, and more.

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy