ICD-10-CM 2027
ICD-10 code for Peptococcus pneumonia
Pneumonia due to other specified bacteria
From the official ICD-10-CM alphabetic index entry “Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) › Peptococcus”. Page updated September 29, 2026.
About coding Peptococcus pneumonia
The ICD-10-CM code for Peptococcus pneumonia is J15.8 (Pneumonia due to other specified bacteria).
Within J15, choose J15.8 (Pneumonia due to other specified bacteria) only when documentation doesn't support a more specific option: pneumonia due to Klebsiella pneumoniae (J15.0), pneumonia due to Pseudomonas (J15.1), pneumonia due to staphylococcus (J15.2), pneumonia due to streptococcus, group B (J15.3), pneumonia due to other streptococci (J15.4), pneumonia due to Escherichia coli (J15.5), pneumonia due to other Gram-negative bacteria (J15.6), pneumonia due to Mycoplasma pneumoniae (J15.7) and 1 more.
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.
Common questions about Peptococcus pneumonia ICD-10 codes
What is the ICD-10 code for Peptococcus pneumonia?
- J15.8 — Pneumonia due to other specified bacteria.
Is J15.8 billable?
- Yes. J15.8 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can J15.8 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict J15.8 as a principal diagnosis.
Is J15.8 a CC or MCC?
- J15.8 is an MCC (major complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.