J17Billable

Pneumonia in diseases classified elsewhere

Diseases of the Respiratory System·Influenza and pneumonia (J09-J18)·category·FY 2026

CH10 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)

certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
smoke inhalation (T59.81-)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Use Additional Code

code, where applicable, to identify:
exposure to environmental tobacco smoke (Z77.22)
exposure to tobacco smoke in the perinatal period (P96.81)
history of tobacco dependence (Z87.891)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)

J09-J18 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)

allergic or eosinophilic pneumonia (J82)
aspiration pneumonia NOS (J69.0)
meconium pneumonia (P24.01)
neonatal aspiration pneumonia (P24.-)
pneumonia due to solids and liquids (J69.-)
congenital pneumonia (P23.9)
lipid pneumonia (J69.1)
rheumatic pneumonia (I00)
ventilator associated pneumonia (J95.851)

Use Additional Code

code, if applicable, to identify resistance to antimicrobial drugs (Z16.-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)

candidial pneumonia (B37.1)
chlamydial pneumonia (J16.0)
gonorrheal pneumonia (A54.84)
histoplasmosis pneumonia (B39.0-B39.2)
measles pneumonia (B05.2)
nocardiosis pneumonia (A43.0)
pneumocystosis (B59)
pneumonia due to Pneumocystis carinii (B59)
pneumonia due to Pneumocystis jirovecii (B59)
pneumonia in actinomycosis (A42.0)
pneumonia in anthrax (A22.1)
pneumonia in ascariasis (B77.81)
pneumonia in aspergillosis (B44.0-B44.1)
pneumonia in coccidioidomycosis (B38.0-B38.2)
pneumonia in cytomegalovirus disease (B25.0)
pneumonia in toxoplasmosis (B58.3)
rubella pneumonia (B06.81)
salmonella pneumonia (A02.22)
spirochetal infection NEC with pneumonia (A69.8)
tularemia pneumonia (A21.2)
typhoid fever with pneumonia (A01.03)
varicella pneumonia (B01.2)
whooping cough with pneumonia (A37 with fifth-character 1)

Code First

underlying disease, such as:
Q fever (A78)
rheumatic fever (I00)
schistosomiasis (B65.0-B65.9)

Code Also

, if applicable, any associated condition such as:
abscess (J85.1)
aspiration pneumonia (J69.-)

Clinical Hierarchy

BillableHas subcodes

CH10Diseases of the respiratory system (J00-J99)

J09-J18Influenza and pneumonia (J09-J18)

J17Pneumonia in diseases classified elsewhereBillable

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

Respiratory Infections and Inflammations with MCC

Respiratory Infections and Inflammations with CC

Respiratory Infections and Inflammations without CC/MCC