J18.0

Bronchopneumonia, unspecified organism

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · J18.0
Excludes 1

hypostatic bronchopneumonia (J18.2) lipid pneumonia (J69.1)

Excludes 2

acute bronchiolitis (J21.-) chronic bronchiolitis (J44.89) other specified chronic obstructive pulmonary disease (J44.89)

Inherited from J18Pneumonia, unspecified organism
Excludes 1

congenital pneumonia (P23.0) drug-induced interstitial lung disorder (J70.2-J70.4) interstitial pneumonia NOS (J84.9) neonatal aspiration pneumonia (P24.-) pneumonitis due to fumes and vapors (J68.0) usual interstitial pneumonia (J84.178)

Excludes 2

abscess of lung with pneumonia (J85.1) aspiration pneumonia due to anesthesia during labor and delivery (O74.0) aspiration pneumonia due to anesthesia during pregnancy (O29) aspiration pneumonia due to anesthesia during puerperium (O89.0) aspiration pneumonia due to solids and liquids (J69.-) aspiration pneumonia NOS (J69.0) lipid pneumonia (J69.1) pneumonitis due to external agents (J67-J70)

Code first

, if applicable, associated influenza (J09.X1, J10.0-, J11.0-)

Code also

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

Inherited from J09-J18Influenza and pneumonia
Excludes 2

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

Inherited from chapter 10Diseases of the respiratory system
Excludes 2

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, 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)

Note

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).

Official Guidelines for J18.0

FY 2026 ›

Find J18.0 in the alphabetic index

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