Catalog
Knuckle-biting
No MMS code
Link to WHO Definition
Knuckle-biting – http://id.who.int/icd/entity/638233742
Knuckle-biting biting is an obsessive-compulsive disorder characterised by compulsive biting or chewing the skin overlying or between the metacarpophalangeal and proximal interphalangeal joints of the hands.