J45.909
Unspecified asthma, uncomplicated
HCC risk adjustment mapping
RxHCC V08
Chronic Obstructive Pulmonary Disease, Bronchiectasis, and Other Asthma
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
lung diseases due to external agents (J60-J70)
Asthma NOS
Asthmatic bronchitis NOS Childhood asthma NOS Late onset asthma
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
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)
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)
Official Guidelines for J45.909
FY 2026 ›Sections that reference J45.909
Sections whose FY 2026 text names J45.909, its J45 category, or a range containing it — the chapter guidance above is the authoritative source.
Find J45.909 in the alphabetic index
14 index paths lead to this code
- Asthma, asthmatic
- IgE asthma
- Asthma, asthmatic › allergic extrinsic
- Asthma, asthmatic › childhood
- Asthma, asthmatic › late-onset
- Asthma, asthmatic › mixed
- Asthma, asthmatic › nonallergic
- Asthma, asthmatic › predominantly allergic
- Bronchitis › allergic
- Dyspnea › asthmatic
- Fever › hay › with asthma
- Rhinitis › allergic › with asthma
- Dyspnea › asthmatic › with › bronchitis
- Obstruction, obstructed, obstructive › airway › with › asthma