ICD-10-CM/PCS MS-DRG v40.0 Definitions Manual
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MDC 04 Diseases and disorders of the respiratory system
Respiratory infections and inflammations
MCC CC DRG
Yes n/a 177
No Yes 178
No No 179

DRG 177 RESPIRATORY INFECTIONS AND INFLAMMATIONS WITH MCC

DRG 178 RESPIRATORY INFECTIONS AND INFLAMMATIONS WITH CC

DRG 179 RESPIRATORY INFECTIONS AND INFLAMMATIONS WITHOUT CC/MCC

PRINCIPAL DIAGNOSIS

J1000Influenza due to other identified influenza virus with unspecified type of pneumonia
J1001Influenza due to other identified influenza virus with the same other identified influenza virus pneumonia
J1008Influenza due to other identified influenza virus with other specified pneumonia
J1100Influenza due to unidentified influenza virus with unspecified type of pneumonia
J1108Influenza due to unidentified influenza virus with specified pneumonia

with SECONDARY DIAGNOSIS

A481Legionnaires' disease
J150Pneumonia due to Klebsiella pneumoniae
J151Pneumonia due to Pseudomonas
J1520Pneumonia due to staphylococcus, unspecified
J15211Pneumonia due to Methicillin susceptible Staphylococcus aureus
J15212Pneumonia due to Methicillin resistant Staphylococcus aureus
J1529Pneumonia due to other staphylococcus
J155Pneumonia due to Escherichia coli
J156Pneumonia due to other Gram-negative bacteria
J158Pneumonia due to other specified bacteria

or PRINCIPAL DIAGNOSIS

A0222Salmonella pneumonia
A065Amebic lung abscess
A150Tuberculosis of lung
A154Tuberculosis of intrathoracic lymph nodes
A155Tuberculosis of larynx, trachea and bronchus
A156Tuberculous pleurisy
A157Primary respiratory tuberculosis
A158Other respiratory tuberculosis
A159Respiratory tuberculosis unspecified
A202Pneumonic plague
A212Pulmonary tularemia
A221Pulmonary anthrax
A310Pulmonary mycobacterial infection
A420Pulmonary actinomycosis
A430Pulmonary nocardiosis
A481Legionnaires' disease
A5272Syphilis of lung and bronchus
B012Varicella pneumonia
B052Measles complicated by pneumonia
B250Cytomegaloviral pneumonitis
B371Pulmonary candidiasis
B380Acute pulmonary coccidioidomycosis
B381Chronic pulmonary coccidioidomycosis
B382Pulmonary coccidioidomycosis, unspecified
B390Acute pulmonary histoplasmosis capsulati
B391Chronic pulmonary histoplasmosis capsulati
B392Pulmonary histoplasmosis capsulati, unspecified
B440Invasive pulmonary aspergillosis
B583Pulmonary toxoplasmosis
B59Pneumocystosis
B664Paragonimiasis
B671Echinococcus granulosus infection of lung
E840Cystic fibrosis with pulmonary manifestations
J150Pneumonia due to Klebsiella pneumoniae
J151Pneumonia due to Pseudomonas
J1520Pneumonia due to staphylococcus, unspecified
J15211Pneumonia due to Methicillin susceptible Staphylococcus aureus
J15212Pneumonia due to Methicillin resistant Staphylococcus aureus
J1529Pneumonia due to other staphylococcus
J155Pneumonia due to Escherichia coli
J156Pneumonia due to other Gram-negative bacteria
J158Pneumonia due to other specified bacteria
J17Pneumonia in diseases classified elsewhere
J690Pneumonitis due to inhalation of food and vomit
J691Pneumonitis due to inhalation of oils and essences
J698Pneumonitis due to inhalation of other solids and liquids
J850Gangrene and necrosis of lung
J851Abscess of lung with pneumonia
J852Abscess of lung without pneumonia
J853Abscess of mediastinum
J860Pyothorax with fistula
J869Pyothorax without fistula
J9851Mediastinitis
J9859Other diseases of mediastinum, not elsewhere classified
R7611Nonspecific reaction to tuberculin skin test without active tuberculosis
R7612Nonspecific reaction to cell mediated immunity measurement of gamma interferon antigen response without active tuberculosis
U071COVID-19



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