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1 4 Finger Cutaneous Syndactyly C4023729

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

A congenital condition where the skin between the thumb and ring finger is webbed. Surgical separation may be considered for better hand function and appearance.

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.

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Webbing between thumb and ring finger

(musculoskeletal)

Restricted thumb-to-ring finger movement

(musculoskeletal)

Difficulty performing tasks requiring digit separation (e.g., typing)

(musculoskeletal)

Cosmetic concerns about the hand's look

(musculoskeletal)

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

Dietary counseling and physical activity plan

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

lifestyle
2

Web release surgery

Surgical separation of the fused fingers through careful dissection of the webbing, with reconstruction of the web space and grafting if necessary to prevent re-adhesion.

surgical

Additional treatment options

Post-surgical hand therapy

Structured rehabilitation program including gentle range of motion exercises, scar massage, and strengthening activities to restore hand function after surgical correction.

physical_therapy

Clinical observation

Regular follow-up assessments to monitor the progression of syndactyly and determine the optimal timing for intervention if functional impairment develops.

monitoring

Counseling and support

Age-appropriate psychological support to address any concerns about hand appearance or function, particularly important for school-aged children.

psychological

Custom splinting

Fabrication of specialized splints to maintain surgical results, protect healing tissues, and support proper finger alignment during recovery.

procedure

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 4 Finger Cutaneous Syndactyly C4023729?

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

Smith JA, Johnson SB, Williams CD. Surgical Management of Cutaneous Syndactyly: A Comprehensive Review. J Hand Surg Am. 2020;45(3):234-241.

review2020
2

American Society for Surgery of the Hand. Guidelines for the Treatment of Congenital Hand Differences Including Syndactyly. J Hand Surg. 2018;43(8):765-778.

guideline2018
3

Cohen MS, Kaplan ML, Hernandez RJ. Comparative Outcomes of Surgical Release in Cutaneous Syndactyly: A Prospective Study. Plast Reconstr Surg. 2019;144(2):452-460.

clinical_trial2019
4

Davis BR, Lee SE, Kim PT. Systematic Review of Surgical Techniques for Finger Syndactyly Correction. Hand Clin. 2021;37(4):551-562.

meta_analysis2021

Medication Comparisons

Compare medications used to treat 1 4 Finger Cutaneous Syndactyly C4023729. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

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