R68.3: Clubbing of fingers

Clubbing of fingers, referenced in the international classification of diseases as R68.3, is a physical condition affecting the shape of the fingertips. This condition manifests as a bulbous, rounded appearance at the tips of the fingers, resulting in a tapered, club-like shape, from which the condition derives its name. Although it's usually painless, clubbing often indicates an underlying medical issue. It is frequently associated with lung diseases, such as lung cancer or infections, but can also result from heart disease, digestive disorders, and liver disease among other conditions. This physical change occurs due to increased blood flow to the fingertips, leading to the tissue beneath the nail plate to thicken and the nails to curve around the fingertips. Clubbing often develops slowly over time and may be accompanied by other symptoms related to the underlying condition.

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