J15
Bacterial pneumonia, not elsewhere classified
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 22 never code together
J15code
J09-J18block
Excludes2
- allergic or eosinophilic pneumonia (J82)J82
- aspiration pneumonia NOS (J69.0)J69.0
- meconium pneumonia (P24.01)P24.01
- neonatal aspiration pneumonia (P24.-)P24.-
- pneumonia due to solids and liquids (J69.-)J69.-
- congenital pneumonia (P23.9)P23.9
- lipid pneumonia (J69.1)J69.1
- rheumatic pneumonia (I00)I00
- ventilator associated pneumonia (J95.851)J95.851
J00-J99chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- smoke inhalation (T59.81-)T59.81-
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 14
J15code
Includes
- bronchopneumonia due to bacteria other than S. pneumoniae and H. influenzae
Code first
J09-J18block
Use additional code
- code, if applicable, to identify resistance to antimicrobial drugs (Z16.-)Z16.-
J00-J99chapter
Notes
- When a respiratory condition is described as occurring in more than one site and is not specifically indexed, it should be classified to the lower anatomic site (e.g. tracheobronchitis to bronchitis in J40).J40
Use additional code
- code, where applicable, to identify:
- exposure to environmental tobacco smoke (Z77.22)Z77.22
- exposure to tobacco smoke in the perinatal period (P96.81)P96.81
- history of tobacco dependence (Z87.891)Z87.891
- occupational exposure to environmental tobacco smoke (Z57.31)Z57.31
- tobacco dependence (F17.-)F17.-
- tobacco use (Z72.0)Z72.0
Index entries leading here filed at null
No alphabetic index entry points at this code.
Subordinate codes 10
J15.0 Pneumonia due to Klebsiella pneumoniae J15.1 Pneumonia due to Pseudomonas J15.2 Pneumonia due to staphylococcus J15.3 Pneumonia due to streptococcus, group B J15.4 Pneumonia due to other streptococci J15.5 Pneumonia due to Escherichia coli J15.6 Pneumonia due to other Gram-negative bacteria J15.7 Pneumonia due to Mycoplasma pneumoniae J15.8 Pneumonia due to other specified bacteria J15.9 Unspecified bacterial pneumonia
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.