ICD-10 MS-DRG v42 (2025)

Medicare Severity Diagnosis Related Group

MDC 04: DISEASES & DISORDERS OF THE RESPIRATORY SYSTEM

ICD10CM Code Assignment

Surgical DRGs

163   MAJOR CHEST PROCEDURES WITH MCC
164   MAJOR CHEST PROCEDURES WITH CC
165   MAJOR CHEST PROCEDURES WITHOUT CC/MCC
173   ULTRASOUND ACCELERATED AND OTHER THROMBOLYSIS WITH PRINCIPAL DIAGNOSIS PULMONARY EMBOLISM
166   OTHER RESPIRATORY SYSTEM O.R. PROCEDURES WITH MCC
167   OTHER RESPIRATORY SYSTEM O.R. PROCEDURES WITH CC
168   OTHER RESPIRATORY SYSTEM O.R. PROCEDURES WITHOUT CC/MCC

If the Principal Diagnosis designated a DRG should be selected from this MDC, AND an O.R. (Operating Room) procedure was performed but does not match the Surgical DRGs listed above, see the Unrelated Operating Room Procedures DRGs.


Medical DRGs

207   RESPIRATORY SYSTEM DIAGNOSIS WITH VENTILATOR SUPPORT >96 HOURS
208   RESPIRATORY SYSTEM DIAGNOSIS WITH VENTILATOR SUPPORT <=96 HOURS
175   PULMONARY EMBOLISM WITH MCC OR ACUTE COR PULMONALE
176   PULMONARY EMBOLISM WITHOUT MCC
177   RESPIRATORY INFECTIONS AND INFLAMMATIONS WITH MCC
178   RESPIRATORY INFECTIONS AND INFLAMMATIONS WITH CC
179   RESPIRATORY INFECTIONS AND INFLAMMATIONS WITHOUT CC/MCC
180   RESPIRATORY NEOPLASMS WITH MCC
181   RESPIRATORY NEOPLASMS WITH CC
182   RESPIRATORY NEOPLASMS WITHOUT CC/MCC
183   MAJOR CHEST TRAUMA WITH MCC
184   MAJOR CHEST TRAUMA WITH CC
185   MAJOR CHEST TRAUMA WITHOUT CC/MCC
186   PLEURAL EFFUSION WITH MCC
187   PLEURAL EFFUSION WITH CC
188   PLEURAL EFFUSION WITHOUT CC/MCC
189   PULMONARY EDEMA AND RESPIRATORY FAILURE
190   CHRONIC OBSTRUCTIVE PULMONARY DISEASE WITH MCC
191   CHRONIC OBSTRUCTIVE PULMONARY DISEASE WITH CC
192   CHRONIC OBSTRUCTIVE PULMONARY DISEASE WITHOUT CC/MCC
193   SIMPLE PNEUMONIA AND PLEURISY WITH MCC
194   SIMPLE PNEUMONIA AND PLEURISY WITH CC
195   SIMPLE PNEUMONIA AND PLEURISY WITHOUT CC/MCC
196   INTERSTITIAL LUNG DISEASE WITH MCC
197   INTERSTITIAL LUNG DISEASE WITH CC
198   INTERSTITIAL LUNG DISEASE WITHOUT CC/MCC
199   PNEUMOTHORAX WITH MCC
200   PNEUMOTHORAX WITH CC
201   PNEUMOTHORAX WITHOUT CC/MCC
202   BRONCHITIS AND ASTHMA WITH CC/MCC
203   BRONCHITIS AND ASTHMA WITHOUT CC/MCC
204   RESPIRATORY SIGNS AND SYMPTOMS
205   OTHER RESPIRATORY SYSTEM DIAGNOSES WITH MCC
206   OTHER RESPIRATORY SYSTEM DIAGNOSES WITHOUT MCC
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