Index to Diseases and Injuries
Bronchiolitis (acute) (infective) (subacute)
Index code:J21.9
- with
- bronchospasm or obstruction J21.9
- influenza, flu or grippe — see Influenza, with, respiratory manifestations NEC
- chemical (chronic) J68.4
- acute J68.0
- chronic (fibrosing) J44.89
- obliterative J44.81
- due to
- external agent — see Bronchitis, acute, due to
- human metapneumovirus J21.1
- respiratory syncytial virus (RSV) J21.0
- specified organism NEC J21.8
- fibrosa obliterans J44.81
- influenzal — see Influenza, with, respiratory manifestations NEC
- obliterans J44.81 — see also Bronchiolitis, obliterative
- with organizing pneumonia (BOOP) J84.89
- syndrome J44.81
- obliterative (chronic) (subacute) J44.81 — see also Bronchiolitis, obliterans
- due to chemicals, gases, fumes or vapors (inhalation) J44.81 — see also Disease, respiratory, chronic, due to chemicals, gases, fumes or vapors
- due to fumes or vapors J44.81 — see also Disease, respiratory, chronic, due to chemicals, gases, fumes or vapors
- respiratory, interstitial lung disease J84.115
Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.
Frequently asked questions
What is the ICD-10-CM code for Bronchiolitis?
The ICD-10-CM Alphabetic Index directs "Bronchiolitis" to J21.9. Subterms below it may lead to a more specific code. Always confirm the code in the Tabular List before assigning it.
ICD-10-CM Index to Diseases and Injuries maintained by CDC/NCHS (public domain), from the CMS FY2027 release.