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  3. Diagnosis Codes in MS-DRG 196 - Interstitial Lung Disease With MCC

Diagnosis Codes in MS-DRG 196 - Interstitial Lung Disease With MCC

The Medicare Severity Diagnosis-Related Group (MS-DRG) is a patient classification system used to categorize hospital cases based on clinical similarity and expected resource use. MS-DRGs organize all possible principal diagnoses into mutually exclusive groups known as Major Diagnostic Categories (MDCs), which help determine reimbursement under the Medicare Inpatient Prospective Payment System.

This section lists the diagnosis codes included in MS-DRG V42.0: Interstitial Lung Disease with MCC from October 1, 2024, through September 30, 2025.

MS-DRG: 196

MS-DRG Title: Interstitial Lung Disease with MCC

MCD: 04

Relative Weight: 1.8842 Relative Weight
The relative weight of a diagnostic related group determines the reimbursement rate based on the severity of a patient's illness and the associated cost of care during hospitalization.

Geometric LOS: 1.88 Geometric Length of Stay
The geometric mean length of stay (GMLOS) is used by Medicare to calculate the reimbursement for patients whose medical treatment takes a much longer or shorter time than average.

Arithmetic LOS: 4.90 Arithmetic Length of Stay
The average length of stay (ALOS) reflects the average number of days a patient spends in a hospital for each admission.

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    • J60 - Coalworker's pneumoconiosis

    • J61 - Pneumoconiosis due to asbestos and other mineral fibers

    • J64 - Unspecified pneumoconiosis

    • J65 - Pneumoconiosis associated with tuberculosis

    • J99 - Respiratory disorders in diseases classified elsewhere

  • B44.8 - Other forms of aspergillosis

    • B44.81 - Allergic bronchopulmonary aspergillosis

  • B90 - Sequelae of tuberculosis

    • B90.9 - Sequelae of respiratory and unspecified tuberculosis

  • D86 - Sarcoidosis

    • D86.0 - Sarcoidosis of lung

    • D86.1 - Sarcoidosis of lymph nodes

    • D86.2 - Sarcoidosis of lung with sarcoidosis of lymph nodes

    • D86.3 - Sarcoidosis of skin

    • D86.9 - Sarcoidosis, unspecified

  • D86.8 - Sarcoidosis of other sites

    • D86.81 - Sarcoid meningitis

    • D86.82 - Multiple cranial nerve palsies in sarcoidosis

    • D86.83 - Sarcoid iridocyclitis

    • D86.84 - Sarcoid pyelonephritis

    • D86.85 - Sarcoid myocarditis

    • D86.86 - Sarcoid arthropathy

    • D86.87 - Sarcoid myositis

    • D86.89 - Sarcoidosis of other sites

  • J62 - Pneumoconiosis due to dust containing silica

    • J62.0 - Pneumoconiosis due to talc dust

    • J62.8 - Pneumoconiosis due to other dust containing silica

  • J63 - Pneumoconiosis due to other inorganic dusts

    • J63.0 - Aluminosis (of lung)

    • J63.1 - Bauxite fibrosis (of lung)

    • J63.2 - Berylliosis

    • J63.3 - Graphite fibrosis (of lung)

    • J63.4 - Siderosis

    • J63.5 - Stannosis

    • J63.6 - Pneumoconiosis due to other specified inorganic dusts

  • J66 - Airway disease due to specific organic dust

    • J66.0 - Byssinosis

    • J66.1 - Flax-dressers' disease

    • J66.2 - Cannabinosis

    • J66.8 - Airway disease due to other specific organic dusts

  • J67 - Hypersensitivity pneumonitis due to organic dust

    • J67.0 - Farmer's lung

    • J67.1 - Bagassosis

    • J67.2 - Bird fancier's lung

    • J67.3 - Suberosis

    • J67.4 - Maltworker's lung

    • J67.5 - Mushroom-worker's lung

    • J67.6 - Maple-bark-stripper's lung

    • J67.7 - Air conditioner and humidifier lung

    • J67.8 - Hypersensitivity pneumonitis due to other organic dusts

    • J67.9 - Hypersensitivity pneumonitis due to unspecified organic dust

  • J70 - Respiratory conditions due to other external agents

    • J70.1 - Chronic and other pulmonary manifestations due to radiation

  • J82.8 - Pulmonary eosinophilia, not elsewhere classified

    • J82.81 - Chronic eosinophilic pneumonia

    • J82.82 - Acute eosinophilic pneumonia

    • J82.83 - Eosinophilic asthma

    • J82.89 - Other pulmonary eosinophilia, not elsewhere classified

  • J84 - Other interstitial pulmonary diseases

    • J84.2 - Lymphoid interstitial pneumonia

    • J84.9 - Interstitial pulmonary disease, unspecified

  • J84.0 - Alveolar and parieto-alveolar conditions

    • J84.01 - Alveolar proteinosis

    • J84.02 - Pulmonary alveolar microlithiasis

    • J84.03 - Idiopathic pulmonary hemosiderosis

    • J84.09 - Other alveolar and parieto-alveolar conditions

  • J84.1 - Other interstitial pulmonary diseases with fibrosis

    • J84.10 - Pulmonary fibrosis, unspecified

  • J84.11 - Idiopathic interstitial pneumonia

    • J84.111 - Idiopathic interstitial pneumonia, not otherwise specified

    • J84.112 - Idiopathic pulmonary fibrosis

    • J84.113 - Idiopathic non-specific interstitial pneumonitis

    • J84.114 - Acute interstitial pneumonitis

    • J84.115 - Respiratory bronchiolitis interstitial lung disease

    • J84.116 - Cryptogenic organizing pneumonia

    • J84.117 - Desquamative interstitial pneumonia

  • J84.17 - Other interstitial pulmonary diseases with fibrosis in diseases classified elsewhere

    • J84.170 - Interstitial lung disease with progressive fibrotic phenotype in diseases classified elsewhere

    • J84.178 - Other interstitial pulmonary diseases with fibrosis in diseases classified elsewhere

  • J84.8 - Other specified interstitial pulmonary diseases

    • J84.81 - Lymphangioleiomyomatosis

    • J84.82 - Adult pulmonary Langerhans cell histiocytosis

    • J84.83 - Surfactant mutations of the lung

    • J84.89 - Other specified interstitial pulmonary diseases

  • J84.84 - Other interstitial lung diseases of childhood

    • J84.841 - Neuroendocrine cell hyperplasia of infancy

    • J84.842 - Pulmonary interstitial glycogenosis

    • J84.843 - Alveolar capillary dysplasia with vein misalignment

    • J84.848 - Other interstitial lung diseases of childhood

  • M05.1 - Rheumatoid lung disease with rheumatoid arthritis

    • M05.10 - Rheumatoid lung disease with rheumatoid arthritis of unspecified site

    • M05.19 - Rheumatoid lung disease with rheumatoid arthritis of multiple sites

  • M05.11 - Rheumatoid lung disease with rheumatoid arthritis of shoulder

    • M05.111 - Rheumatoid lung disease with rheumatoid arthritis of right shoulder

    • M05.112 - Rheumatoid lung disease with rheumatoid arthritis of left shoulder

    • M05.119 - Rheumatoid lung disease with rheumatoid arthritis of unspecified shoulder

  • M05.12 - Rheumatoid lung disease with rheumatoid arthritis of elbow

    • M05.121 - Rheumatoid lung disease with rheumatoid arthritis of right elbow

    • M05.122 - Rheumatoid lung disease with rheumatoid arthritis of left elbow

    • M05.129 - Rheumatoid lung disease with rheumatoid arthritis of unspecified elbow

  • M05.13 - Rheumatoid lung disease with rheumatoid arthritis of wrist

    • M05.131 - Rheumatoid lung disease with rheumatoid arthritis of right wrist

    • M05.132 - Rheumatoid lung disease with rheumatoid arthritis of left wrist

    • M05.139 - Rheumatoid lung disease with rheumatoid arthritis of unspecified wrist

  • M05.14 - Rheumatoid lung disease with rheumatoid arthritis of hand

    • M05.141 - Rheumatoid lung disease with rheumatoid arthritis of right hand

    • M05.142 - Rheumatoid lung disease with rheumatoid arthritis of left hand

    • M05.149 - Rheumatoid lung disease with rheumatoid arthritis of unspecified hand

  • M05.15 - Rheumatoid lung disease with rheumatoid arthritis of hip

    • M05.151 - Rheumatoid lung disease with rheumatoid arthritis of right hip

    • M05.152 - Rheumatoid lung disease with rheumatoid arthritis of left hip

    • M05.159 - Rheumatoid lung disease with rheumatoid arthritis of unspecified hip

  • M05.16 - Rheumatoid lung disease with rheumatoid arthritis of knee

    • M05.161 - Rheumatoid lung disease with rheumatoid arthritis of right knee

    • M05.162 - Rheumatoid lung disease with rheumatoid arthritis of left knee

    • M05.169 - Rheumatoid lung disease with rheumatoid arthritis of unspecified knee

  • M05.17 - Rheumatoid lung disease with rheumatoid arthritis of ankle and foot

    • M05.171 - Rheumatoid lung disease with rheumatoid arthritis of right ankle and foot

    • M05.172 - Rheumatoid lung disease with rheumatoid arthritis of left ankle and foot

    • M05.179 - Rheumatoid lung disease with rheumatoid arthritis of unspecified ankle and foot

  • M34.8 - Other forms of systemic sclerosis

    • M34.81 - Systemic sclerosis with lung involvement

  • P27 - Chronic respiratory disease originating in the perinatal period

    • P27.0 - Wilson-Mikity syndrome

    • P27.1 - Bronchopulmonary dysplasia originating in the perinatal period

    • P27.8 - Other chronic respiratory diseases originating in the perinatal period

    • P27.9 - Unspecified chronic respiratory disease originating in the perinatal period