J443-char group
Other chronic obstructive pulmonary disease
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Incl.: chronic: bronchitis: asthmatic (obstructive) emphysematous with: airways obstruction emphysema obstructive: asthma bronchitis tracheobronchitis Excl.: asthma (J45.-) asthmatic bronchitis NOS (J45.9) bronchiectasis (J47) chronic: tracheitis (J42) tracheobronchitis (J42) emphysema (J43.-) lung diseases due to external agents (J60-J70)