Convert to ICD-10-CM: 
380.12 converts approximately to:
- 2015/16 ICD-10-CM H60.339 Swimmer's ear, unspecified ear
 ICD-9-CM Volume 2 Index entries containing back-references to 
380.12:
- Beach ear 380.12
- Ear - see also condition swimmers' acute 380.12 swimmers' acute 380.12
  tank 380.12 tank 380.12
 
- Swimmers' ear (acute) 380.12 ear (acute) 380.12
 
- Tank ear 380.12