Q70.02 Fused fingers, left hand

ICD10CM code

#### Name of the Condition
- Fused Fingers, Left Hand
- Syndactyly of the Left Hand

#### Summary
Fused fingers, medically known as syndactyly, is a condition where two or more fingers are joined together. Specifically, this entry covers the fusion of fingers on the left hand. The condition is typically present from birth and can vary from a simple web-like connection between the soft tissues to more complex fusions involving bones and nails.

#### Causes
Fused fingers are primarily caused by genetic factors. The condition results from the failure of the fingers to separate during fetal development. It can occur as an isolated anomaly or as part of a syndrome, such as Apert syndrome or Poland syndrome.

#### Risk Factors
- Family history of syndactyly or related genetic conditions.
- Occurrence in certain genetic syndromes which may include fused fingers as a symptom.

#### Symptoms
- Fusion of skin and/or bones between two or more fingers.
- Limited finger movement and dexterity in the affected hand.
- Potential difficulty in performing tasks requiring fine motor skills.

#### Diagnosis
- Physical examination by a healthcare provider.
- Imaging tests such as X-rays to determine the extent of fusion involving bones.

#### Treatment Options
- Surgical separation: Typically recommended to improve function and appearance.
  - The surgery is usually performed before school age to aid in skill development.
- Occupational or physical therapy: Post-surgical intervention to improve hand function.

#### Prognosis and Follow-Up
With successful surgical intervention, the prognosis is generally positive, with most patients regaining significant use of the hand. Regular follow-up is important to monitor hand function and growth.

#### Complications
- If untreated, potential for impaired hand function.
- Scar formation and need for additional surgeries in some cases.
- Possible anxiety or self-esteem issues related to hand appearance and function.

#### Lifestyle & Prevention
- No specific lifestyle changes can prevent syndactyly as it is congenital.
- Early intervention and therapy can help manage and optimize hand function.

#### When to Seek Professional Help
- If a newborn's fingers appear fused at birth, medical assessment is advised.
- Post-surgical complications such as infection or limited movement should be promptly evaluated.

#### Additional Resources
- American Society for Surgery of the Hand (ASSH): [handcare.org](https://www.handcare.org)
- National Organization for Rare Disorders (NORD): [rarediseases.org](https://rarediseases.org)

#### Tips for Medical Coders
- Ensure the condition is specified for the correct hand (left hand in this case).
- Be cautious to differentiate between syndactyly and other digital anomalies.

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