Laceration w fb of left thumb w/o damage to nail, init

This code signifies a wound on the left thumb characterized by a tear or jagged cut that also contains foreign material, such as glass, wood, or metal. Importantly, the injury does not involve damage to the fingernail or nail bed. This is the first time the patient is being treated for this specific injury.

Apply this code when documenting an initial presentation of a patient with a laceration on their left thumb, and the physician explicitly notes the presence of a foreign body within the wound. This is appropriate for injuries like a splinter embedded in a thumb laceration or a cut from a broken bottle with glass fragments still present.

• Ensure documentation specifies "left thumb" and confirms the presence of a foreign body.
• Verify that there is no mention of nail damage (e.g., avulsion, fracture, or laceration of the nail bed).
• The "A" seventh character indicates an initial encounter for active treatment of the injury.