J433-char group
Emphysema
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Excl.: emphysema: compensatory (J98.3) due to inhalation of chemicals, gases, fumes or vapours (J68.4) interstitial (J98.2) interstitial neonatal (P25.0) mediastinal (J98.2) surgical (subcutaneous) (T81.8) traumatic subcutaneous (T79.7) with chronic (obstructive) bronchitis (J44.-) emphysematous (obstructive) bronchitis (J44.-)