Corros unsp degree of unsp mult fngr, not inc thumb, init

This code signifies a chemical burn of an unspecified severity affecting multiple fingers, excluding the thumb. The injury specifically involves the nail or nail bed area of these fingers.

Use this code for initial encounters when a patient presents with a chemical burn to the nails of multiple fingers (not the thumb), and the degree of the burn is not documented. This is appropriate when the specific corrosive agent is unknown or not specified.

• Ensure documentation clearly indicates multiple fingers (excluding the thumb) are affected.
• Only use for initial encounters; subsequent encounters will require a different seventh character.
• This code is for unspecified degree; if the degree (e.g., first, second, third) is known, a more specific code should be used.