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Synpolydactyly Type 3 C1853255

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

A type of synpolydactyly involving webbed fingers and extra digits, often affecting the index and middle fingers. Surgery is typically needed to separate digits and remove extras.

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.

Extra digit on the radial side of the hand

(musculoskeletal)

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Complex syndactyly involving the extra digit

(musculoskeletal)

Reduced range of motion in affected digits

(musculoskeletal)

Functional limitation in grasping objects

(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

Behavioral and nutritional therapy

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

lifestyle
2

Combined Polydactyly and Syndactyly Correction

Comprehensive surgical approach addressing both extra digits and webbing in a single planned procedure when anatomically feasible, reducing total number of surgeries.

surgical
3

Digital Reconstruction

Advanced reconstructive techniques to optimize function and appearance of remaining digits after excision of supernumerary elements.

surgical

Additional treatment options

Multidisciplinary Limb Clinic

Coordinated care with orthopedic surgery, genetics, and rehabilitation medicine to provide comprehensive evaluation and treatment planning.

monitoring

Functional Skills Training

Adaptive occupational therapy focusing on activities of daily living, writing, and play activities appropriate to developmental stage.

physical_therapy

Genetic Family Consultation

Specialized genetic counseling services to discuss inheritance patterns, recurrence risks, and available reproductive options for affected families.

complementary

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 Synpolydactyly Type 3 C1853255?

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

Kumar V, Chen J. Syndromic Limb Malformations: Genetics and Clinical Management. Hand Clin. 2019;35(2):187-201.

review2019
2

Patel N, Schmidt L, Anderson M, Williams K. International Consensus Guidelines for the Management of Congenital Limb Differences. Am J Med Genet. 2021;185(8):2345-2359.

guideline2021
3

Martinez-Reyes C, Thompson P, Lee H. Surgical Outcomes in Synpolydactyly: A Prospective Multicenter Study. J Hand Surg Am. 2020;45(6):512-520.

clinical_trial2020
4

Singh R, Gonzalez B, Park S. HOXD13 Mutations and Limb Malformation Syndromes: A Systematic Review and Meta-Analysis. Hum Mutat. 2022;43(9):1189-1205.

meta_analysis2022

Medication Comparisons

Compare medications used to treat Synpolydactyly Type 3 C1853255. 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