J20

acute and subacute bronchitis (with) bronchospasm acute and subacute bronchitis (with) tracheitis acute and subacute bronchitis (with) tracheobronchitis, acute acute and subacute fibrinous bronchitis acute and subacute membranous bronchitis acute and subacute purulent bronchitis acute and subacute septic bronchitis

bronchitis NOS (J40) tracheobronchitis NOS (J40)

acute bronchitis with bronchiectasis (J47.0) acute bronchitis with chronic obstructive asthma (J44.0) acute bronchitis with chronic obstructive pulmonary disease (J44.0) allergic bronchitis NOS (J45.909) bronchitis due to chemicals, fumes and vapors (J68.0) chronic bronchitis NOS (J42) chronic mucopurulent bronchitis (J41.1) chronic obstructive bronchitis (J44.-) chronic obstructive tracheobronchitis (J44.-) chronic simple bronchitis (J41.0) chronic tracheobronchitis (J42)

chronic obstructive pulmonary disease with acute lower respiratory infection (J44.0)

certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) smoke inhalation (T59.81-) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

code, where applicable, to identify: exposure to environmental tobacco smoke (Z77.22) exposure to tobacco smoke in the perinatal period (P96.81) history of tobacco dependence (Z87.891) occupational exposure to environmental tobacco smoke (Z57.31) tobacco dependence (F17.-) tobacco use (Z72.0)

When a respiratory condition is described as occurring in more than one site and is not specifically indexed, it should be classified to the lower anatomic site (e.g. tracheobronchitis to bronchitis in J40).