Influenza and pneumonia (J09-J18)

J09Influenza due to certain identified influenza viruses
Excludes 1: influenza A/H1N1 (J10.-)
› influenza due to other identified influenza virus (J10.-)
› influenza due to unidentified influenza virus (J11.-)
› seasonal influenza due to other identified influenza virus (J10.-)
› seasonal influenza due to unidentified influenza virus (J11.-)

J09.XInfluenza due to identified novel influenza A virus
› Avian influenza
› Bird influenza
› Influenza A/H5N1
› Influenza of other animal origin, not bird or swine
› Swine influenza virus (viruses that normally cause infections in pigs)

J09.X1Influenza due to identified novel influenza A virus with pneumonia
Code Also: , if applicable, associated:
› lung abscess (J85.1)
› other specified type of pneumonia

J09.X2Influenza due to identified novel influenza A virus with other respiratory manifestations
› Influenza due to identified novel influenza A virus NOS
› Influenza due to identified novel influenza A virus with laryngitis
› Influenza due to identified novel influenza A virus with pharyngitis
› Influenza due to identified novel influenza A virus with upper respiratory symptoms
Use Additional Code: code, if applicable, for associated:
› pleural effusion (J91.8)
› sinusitis (J01.-)

J09.X3Influenza due to identified novel influenza A virus with gastrointestinal manifestations
› Influenza due to identified novel influenza A virus gastroenteritis
Excludes 1: 'intestinal flu' [viral gastroenteritis] (A08.-)

J09.X9Influenza due to identified novel influenza A virus with other manifestations
› Influenza due to identified novel influenza A virus with encephalopathy
› Influenza due to identified novel influenza A virus with myocarditis
› Influenza due to identified novel influenza A virus with otitis media
Use Additional Code: code to identify manifestation

J10Influenza due to other identified influenza virus
Includes: influenza A (non-novel)
› influenza B
› influenza C
Excludes 1: influenza due to avian influenza virus (J09.X-)
› influenza due to swine flu (J09.X-)
› influenza due to unidentifed influenza virus (J11.-)

J10.0Influenza due to other identified influenza virus with pneumonia
Code Also: associated lung abscess, if applicable (J85.1)

J10.00Influenza due to other identified influenza virus with unspecified type of pneumonia

J10.01Influenza due to other identified influenza virus with the same other identified influenza virus pneumonia

J10.08Influenza due to other identified influenza virus with other specified pneumonia
Code Also: other specified type of pneumonia

J10.1Influenza due to other identified influenza virus with other respiratory manifestations
› Influenza due to other identified influenza virus NOS
› Influenza due to other identified influenza virus with laryngitis
› Influenza due to other identified influenza virus with pharyngitis
› Influenza due to other identified influenza virus with upper respiratory symptoms
Use Additional Code: code for associated pleural effusion, if applicable (J91.8)
Use Additional Code: code for associated sinusitis, if applicable (J01.-)

J10.2Influenza due to other identified influenza virus with gastrointestinal manifestations
› Influenza due to other identified influenza virus gastroenteritis
Excludes 1: 'intestinal flu' [viral gastroenteritis] (A08.-)

J10.8Influenza due to other identified influenza virus with other manifestations

J10.81Influenza due to other identified influenza virus with encephalopathy

J10.82Influenza due to other identified influenza virus with myocarditis

J10.83Influenza due to other identified influenza virus with otitis media
Use Additional Code: code for any associated perforated tympanic membrane (H72.-)

J10.89Influenza due to other identified influenza virus with other manifestations
Use Additional Code: codes to identify the manifestations

J11Influenza due to unidentified influenza virus

J11.0Influenza due to unidentified influenza virus with pneumonia
Code Also: associated lung abscess, if applicable (J85.1)

J11.00Influenza due to unidentified influenza virus with unspecified type of pneumonia
› Influenza with pneumonia NOS

J11.08Influenza due to unidentified influenza virus with specified pneumonia
Code Also: other specified type of pneumonia

J11.1Influenza due to unidentified influenza virus with other respiratory manifestations
› Influenza NOS
› Influenzal laryngitis NOS
› Influenzal pharyngitis NOS
› Influenza with upper respiratory symptoms NOS
Use Additional Code: code for associated pleural effusion, if applicable (J91.8)
Use Additional Code: code for associated sinusitis, if applicable (J01.-)

J11.2Influenza due to unidentified influenza virus with gastrointestinal manifestations
› Influenza gastroenteritis NOS
Excludes 1: 'intestinal flu' [viral gastroenteritis] (A08.-)

J11.8Influenza due to unidentified influenza virus with other manifestations

J11.81Influenza due to unidentified influenza virus with encephalopathy
› Influenzal encephalopathy NOS

J11.82Influenza due to unidentified influenza virus with myocarditis
› Influenzal myocarditis NOS

J11.83Influenza due to unidentified influenza virus with otitis media
› Influenzal otitis media NOS
Use Additional Code: code for any associated perforated tympanic membrane (H72.-)

J11.89Influenza due to unidentified influenza virus with other manifestations
Use Additional Code: codes to identify the manifestations

J12Viral pneumonia, not elsewhere classified
Includes: bronchopneumonia due to viruses other than influenza viruses
Code First: associated influenza, if applicable (J09.X1, J10.0-, J11.0-)
Code Also: associated abscess, if applicable (J85.1)
Excludes 2: 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)
› congenital pneumonia (P23.0)
› congenital rubella pneumonitis (P35.0)
› interstitial pneumonia NOS (J84.9)
› lipid pneumonia (J69.1)
› neonatal aspiration pneumonia (P24.-)

J12.0Adenoviral pneumonia

J12.1Respiratory syncytial virus pneumonia
› RSV pneumonia

J12.2Parainfluenza virus pneumonia

J12.3Human metapneumovirus pneumonia

J12.8Other viral pneumonia

J12.81Pneumonia due to SARS-associated coronavirus
› Severe acute respiratory syndrome NOS

J12.82Pneumonia due to coronavirus disease 2019
› Pneumonia due to 2019 novel coronavirus (SARS-CoV-2)
› Pneumonia due to COVID-19
Code First: COVID-19 (U07.1)

J12.89Other viral pneumonia

J12.9Viral pneumonia, unspecified

J13Pneumonia due to Streptococcus pneumoniae
› Bronchopneumonia due to S. pneumoniae
Code First: associated influenza, if applicable (J09.X1, J10.0-, J11.0-)
Code Also: associated abscess, if applicable (J85.1)
Excludes 1: congenital pneumonia due to S. pneumoniae (P23.6)
› lobar pneumonia, unspecified organism (J18.1)
› pneumonia due to other streptococci (J15.3-J15.4)

J14Pneumonia due to Hemophilus influenzae
› Bronchopneumonia due to H. influenzae
Code First: associated influenza, if applicable (J09.X1, J10.0-, J11.0-)
Code Also: associated abscess, if applicable (J85.1)
Excludes 1: congenital pneumonia due to H. influenzae (P23.6)

J15Bacterial pneumonia, not elsewhere classified
Includes: bronchopneumonia due to bacteria other than S. pneumoniae and H. influenzae
Code First: associated influenza, if applicable (J09.X1, J10.0-, J11.0-)
Code Also: associated abscess, if applicable (J85.1)
Excludes 1: chlamydial pneumonia (J16.0)
› congenital pneumonia (P23.-)
› Legionnaires' disease (A48.1)
› spirochetal pneumonia (A69.8)

J15.0Pneumonia due to Klebsiella pneumoniae

J15.1Pneumonia due to Pseudomonas

J15.2Pneumonia due to staphylococcus

J15.20Pneumonia due to staphylococcus, unspecified

J15.21Pneumonia due to staphylococcus aureus

J15.211Pneumonia due to Methicillin susceptible Staphylococcus aureus
› MSSA pneumonia
› Pneumonia due to Staphylococcus aureus NOS

J15.212Pneumonia due to Methicillin resistant Staphylococcus aureus

J15.29Pneumonia due to other staphylococcus

J15.3Pneumonia due to streptococcus, group B

J15.4Pneumonia due to other streptococci
Excludes 1: pneumonia due to streptococcus, group B (J15.3)
› pneumonia due to Streptococcus pneumoniae (J13)

J15.5Pneumonia due to Escherichia coli

J15.6Pneumonia due to other Gram-negative bacteria

J15.61Pneumonia due to Acinetobacter baumannii

J15.69Pneumonia due to other Gram-negative bacteria
› Pneumonia due to other aerobic Gram-negative bacteria
› Pneumonia due to Serratia marcescens

J15.7Pneumonia due to Mycoplasma pneumoniae

J15.8Pneumonia due to other specified bacteria

J15.9Unspecified bacterial pneumonia
› Pneumonia due to gram-positive bacteria

J16Pneumonia due to other infectious organisms, not elsewhere classified
Code First: associated influenza, if applicable (J09.X1, J10.0-, J11.0-)
Code Also: associated abscess, if applicable (J85.1)
Excludes 1: congenital pneumonia (P23.-)
› ornithosis (A70)
› pneumocystosis (B59)
› pneumonia NOS (J18.9)

J16.0Chlamydial pneumonia

J16.8Pneumonia due to other specified infectious organisms

J17Pneumonia in diseases classified elsewhere
Code First: underlying disease, such as:
› Q fever (A78)
› rheumatic fever (I00)
› schistosomiasis (B65.0-B65.9)
Excludes 1: 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 jiroveci (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)

J18Pneumonia, unspecified organism
Code First: associated influenza, if applicable (J09.X1, J10.0-, J11.0-)
Excludes 1: 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)
› congenital pneumonia (P23.0)
› drug-induced interstitial lung disorder (J70.2-J70.4)
› interstitial pneumonia NOS (J84.9)
› lipid pneumonia (J69.1)
› neonatal aspiration pneumonia (P24.-)
› pneumonitis due to external agents (J67-J70)
› pneumonitis due to fumes and vapors (J68.0)
› usual interstitial pneumonia (J84.178)

J18.0Bronchopneumonia, unspecified organism
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)

J18.1Lobar pneumonia, unspecified organism

J18.2Hypostatic pneumonia, unspecified organism
› Hypostatic bronchopneumonia
› Passive pneumonia

J18.8Other pneumonia, unspecified organism

J18.9Pneumonia, unspecified organism