J45.51

allergic (predominantly) asthma allergic bronchitis NOS allergic rhinitis with asthma atopic asthma extrinsic allergic asthma hay fever with asthma idiosyncratic asthma intrinsic nonallergic asthma nonallergic asthma

detergent asthma (J69.8) miner's asthma (J60) wheezing NOS (R06.2) wood asthma (J67.8)

asthma with chronic obstructive pulmonary disease (J44.89) chronic asthmatic (obstructive) bronchitis (J44.89) chronic obstructive asthma (J44.89) other specified chronic obstructive pulmonary disease (J44.89)

code to identify: eosinophilic asthma (J82.83) 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)

bronchitis due to chemicals, gases, fumes and vapors (J68.0)

cystic fibrosis (E84.-)

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).