J15: Bacterial pneumonia, not elsewhere classified
Codes under J15 (Bacterial pneumonia, not elsewhere classified). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| J15.0 | Pneumonia due to Klebsiella pneumoniae | ✓ |
| J15.0 | Pneumonia due to Klebsiella pneumoniae | ✓ |
| J15.1 | Pneumonia due to Pseudomonas | ✓ |
| J15.1 | Pneumonia due to Pseudomonas | ✓ |
| J15.2 | Pneumonia due to staphylococcus | — |
| J15.2 | Pneumonia due to staphylococcus | — |
| J15.3 | Pneumonia due to streptococcus, group B | ✓ |
| J15.3 | Pneumonia due to streptococcus, group B | ✓ |
| J15.4 | Pneumonia due to other streptococci | ✓ |
| J15.4 | Pneumonia due to other streptococci | ✓ |
| J15.5 | Pneumonia due to Escherichia coli | ✓ |
| J15.5 | Pneumonia due to Escherichia coli | ✓ |
| J15.6 | Pneumonia due to other Gram-negative bacteria | — |
| J15.6 | Pneumonia due to other Gram-negative bacteria | — |
| J15.7 | Pneumonia due to Mycoplasma pneumoniae | ✓ |
| J15.7 | Pneumonia due to Mycoplasma pneumoniae | ✓ |
| J15.8 | Pneumonia due to other specified bacteria | ✓ |
| J15.8 | Pneumonia due to other specified bacteria | ✓ |
| J15.9 | Unspecified bacterial pneumonia | ✓ |
| J15.9 | Unspecified bacterial pneumonia | ✓ |
| J15.20 | Pneumonia due to staphylococcus, unspecified | ✓ |
| J15.20 | Pneumonia due to staphylococcus, unspecified | ✓ |
| J15.21 | Pneumonia due to staphylococcus aureus | — |
| J15.21 | Pneumonia due to staphylococcus aureus | — |
| J15.29 | Pneumonia due to other staphylococcus | ✓ |
| J15.29 | Pneumonia due to other staphylococcus | ✓ |
| J15.61 | Pneumonia due to Acinetobacter baumannii | ✓ |
| J15.61 | Pneumonia due to Acinetobacter baumannii | ✓ |
| J15.69 | Pneumonia due to other Gram-negative bacteria | ✓ |
| J15.69 | Pneumonia due to other Gram-negative bacteria | ✓ |
| J15.211 | Pneumonia due to Methicillin susceptible Staphylococcus aureus | ✓ |
| J15.211 | Pneumonia due to Methicillin susceptible Staphylococcus aureus | ✓ |
| J15.212 | Pneumonia due to Methicillin resistant Staphylococcus aureus | ✓ |
| J15.212 | Pneumonia due to Methicillin resistant Staphylococcus aureus | ✓ |
Frequently asked questions
What is ICD-10-CM code J15?
J15 is an ICD-10-CM category covering Bacterial pneumonia, not elsewhere classified. It contains 34 more specific diagnosis codes, 28 of which are billable.
Is J15 a billable code?
No — J15 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example J15.0 — Pneumonia due to Klebsiella pneumoniae). 28 of the 34 codes under J15 are billable.
What codes fall under J15?
J15 includes J15.0, J15.0, J15.1, J15.1, J15.2, plus 29 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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