491.9 - Unspecified Chronic Bronchitis
The ICD 9 Code for Unspecified chronic bronchitis is listed as 491.9.
Additional information concerning this code and description can be found below including ICD 10 crosswalks / GEMS, and chapter information where available.
| ICD 9 CM Field | Value |
|---|---|
| Diagnosis Code: | 491.9 |
| Long Description: | Unspecified chronic bronchitis |
| Short Description: | Chronic bronchitis NOS |
| Chapter: | Diseases Of The Respiratory System |
| Block: | Chronic Obstructive Pulmonary Disease And Allied Conditions (490-496) |
| ICD-10-CM Diagnosis Codes General Equivalence Mappings (GEMS): | |
| ICD-10-CM Code: | J42 - Unspecified chronic bronchitis |
| ICD-9-CM Siblings (same level / similar specificity) of 491.9: | |
| 491.0 - Simple chronic bronchitis | |
| 491.1 - Mucopurulent chronic bronchitis | |
| 491.8 - Other chronic bronchitis | |