Numbness of the fingers is often the result of a condition that affects the nerves or the blood vessels that supply the hand. You may also notice tingling. These symptoms are called paresthesia of the fingers. Possible causes include:
Shingles
Arthritis
Being extremely cold
Hyperventilation
Carpal tunnel syndrome
Vasculitis
Peripheral neuropathy
Elbow pain
Multiple sclerosis
Raynaud’s diesease
Diabetes
Pinched nerve
Peripheral vascular diesease