Deep necrosis of underlying tissues [deep third degree] without mention of loss of a body part, of chin
Convert to ICD-10-CM: 
941.44 converts approximately to:
- 2015/16 ICD-10-CM T20.33XA Burn of third degree of chin, initial encounterOr: 
- 2015/16 ICD-10-CM T20.73XA Corrosion of third degree of chin, initial encounter
 ICD-9-CM Volume 2 Index entries containing back-references to 
941.44:
- Burn (acid) (cathode ray) (caustic) (chemical) (electric heating appliance) (electricity) (fire) (flame) (hot liquid or object) (irradiation) (lime) (radiation) (steam) (thermal) (x-ray) 949.0