Table 1 ICD-9-CM and ICD-10 Codes Used for the Definition of Patient Population
| Â | Asthma | Bronchiolitis | Croup |
|---|---|---|---|
ICD-9-CM | 493.0 | 466 | 464 |
493.01 | 466.0 | 464.0 | |
493.02 | 466.1 | 464.2 | |
493.1 | 466.11 | 464.20 | |
493.10-12 | 466.19 | 464.21 | |
493.9 | 487.1 | 464.4 | |
493.90-92 | Â | Â | |
ICD-10 | J45 | J21 | J04 |
J450 | J210 | J040 | |
J45001-05 | J21051 | J04001 | |
J45051-53 | J218 | J04002 | |
J451 | J21851 | J04004 | |
J45101 | J219 | J04006 | |
J45151 | J21901-03 | J042 | |
J45152 | J10 | J04201 | |
J458 | J101 | J05 | |
J45851 | J108 | J050 | |
J459 | J11 | J05001 | |
J45901-03 | J111 | J05051 | |
J45951 | J11101 | J06 | |
J45952 | J118 | J06001 | |
J46 | Â | J06002 | |
J46X01 | Â | J06051 | |
J46X51 | Â | Â |