J18.9
Pneumonia, unspecified organism
- Release
- FY 2027
- Effective
Hierarchy
Where J18.9 sits in the official hierarchy. Each level is the code it is classified under.
- J18 Parent Pneumonia, unspecified organism
- J18.9 This code Pneumonia, unspecified organism
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Excludes1
drug-induced interstitial lung disorder (J70.2-J70.4)
Inherited from J18 — Pneumonia, unspecified organism
Excludes1
neonatal aspiration pneumonia ( P24 .-)
Inherited from J18 — Pneumonia, unspecified organism
Excludes2
abscess of lung with pneumonia ( J85.1 )
Inherited from J18 — Pneumonia, unspecified organism
Excludes2
aspiration pneumonia due to anesthesia during labor and delivery ( O74.0 )
Inherited from J18 — Pneumonia, unspecified organism
Excludes2
aspiration pneumonia due to anesthesia during pregnancy ( O29 )
Inherited from J18 — Pneumonia, unspecified organism
Excludes2
aspiration pneumonia due to anesthesia during puerperium ( O89.0 )
Inherited from J18 — Pneumonia, unspecified organism
Excludes2
aspiration pneumonia due to solids and liquids ( J69 .-)
Inherited from J18 — Pneumonia, unspecified organism
Excludes2
pneumonitis due to external agents (J67-J70)
Inherited from J18 — Pneumonia, unspecified organism
Version History
How J18.9 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentPneumonia, unspecified organism
-
FY 2026 Effective
UnchangedPneumonia, unspecified organism
Related Codes
Other codes under J18
Codes whose official notes reference J18.9
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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