Polydactyly Affecting The 4th Finger C4024136
A congenital condition where an extra finger develops on the ring finger. It is present at birth and may be surgically corrected if needed. Function and appearance can be improved with proper care.
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 hand
(musculoskeletal)Joint pain or stiffness
(musculoskeletal)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Difficulty grasping objects
(musculoskeletal)Cosmetic concern about hand appearance
(musculoskeletal)Pain at the base of the extra digit
(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
Dietary counseling and physical activity plan
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Surgical excision of extra digit
Surgical removal of the supernumerary 4th finger performed by a hand surgeon, typically during early childhood for optimal functional and cosmetic outcomes.
Post-surgical hand therapy
Occupational therapy focusing on finger mobility, strength training, and fine motor skill development following surgical correction.
Additional treatment options
Functional hand assessment
Regular evaluation of hand grip strength, dexterity, and range of motion to monitor developmental progress and identify any functional limitations.
monitoringPre-surgical orthopedic consultation
Comprehensive evaluation including imaging studies to determine the anatomical structure of the extra digit and plan optimal surgical approach.
procedurePsychological counseling and support
Counseling to address cosmetic concerns, body image issues, or social anxiety related to hand appearance, particularly beneficial for older children and adults.
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 Polydactyly Affecting The 4th Finger C4024136?
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.
Dobbs MB, Gurnett CA. Polydactyly and syndromic associations. Hand Clinics. 2019.
American Society for Surgery of the Hand. Clinical practice guideline for congenital hand differences. J Hand Surg Am. 2020.
Watson JS, Rodriguez-Martinez CE. Surgical outcomes in 4th finger postaxial polydactyly: a retrospective analysis. Plast Reconstr Surg Glob Open. 2022.
Kawamoto K, Bamshad PM. Congenital anomalies of the hand. In: Rangachari SS, ed. Pediatric Plastic Surgery. 2nd ed. Elsevier; 2021.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy