ICD-10-CM 2027
ICD-10 code for Pleuropneumonia
From the official ICD-10-CM alphabetic index entry “Pleuropneumonia (acute) (bilateral) (double) (septic)”. Page updated September 29, 2026.
About coding Pleuropneumonia
The ICD-10-CM code for Pleuropneumonia is J18.8 (Other pneumonia, unspecified organism).
Within J18, choose J18.8 (Other pneumonia, unspecified organism) only when documentation doesn't support a more specific option: Bronchopneumonia, unspecified organism (J18.0), Lobar pneumonia, unspecified organism (J18.1), Hypostatic pneumonia, unspecified organism (J18.2) and pneumonia, unspecified organism (J18.9).
Code first: , if applicable, associated influenza (J09.X1, J10.0-, J11.0-).
As a secondary diagnosis it is an MCC (major complication or comorbidity), which can move an inpatient stay into the highest-paying "with MCC" MS-DRG of its family, unless the principal diagnosis excludes it.
More specific Pleuropneumonia codes (official index)
- chronic
Common questions about Pleuropneumonia ICD-10 codes
What is the ICD-10 code for Pleuropneumonia?
- J18.8 — Other pneumonia, unspecified organism.
Is J18.8 billable?
- Yes. J18.8 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can J18.8 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict J18.8 as a principal diagnosis.
Is J18.8 a CC or MCC?
- J18.8 is an MCC (major complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.