196 MS-DRG: INTERSTITIAL LUNG DISEASE WITH MCC
MS-DRG 196 groups Medicare inpatient hospital stays for: INTERSTITIAL LUNG DISEASE WITH MCC. This is a medical MS-DRG. It falls under MDC 04 (Diseases and Disorders of the Respiratory System).
Payment & Classification Data
Official CMS values from the FY2027 IPPS Final Rule Table 5.
| Major Diagnostic Category | MDC 04 — Diseases and Disorders of the Respiratory System |
| DRG Type | Medical |
| Severity Level | MCC |
| Relative Weight | 1.8336 |
| Relative Weight (10% Cap Applied) | 1.8336 |
| Geometric Mean Length of Stay | 4.8 days |
| Arithmetic Mean Length of Stay | 6.4 days |
| Post-Acute Transfer DRG | Yes |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
100 diagnosis codes can drive assignment here: B44.81, B90.9, D86.0, D86.1, D86.2, D86.3, D86.81, D86.82, D86.83, D86.84, D86.85, D86.86 and 88 more.
From the CMS MS-DRG Definitions Manual (Appendices B and E). Assignment also depends on severity, discharge status and the rest of the claim.
Contextual Map
Every relationship of 196 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Major Diagnostic Category
- MDC 04 — Diseases and Disorders of the Respiratory System[MDC]— CMS MS-DRG Definitions Manual · FY2027
Defining diagnoses (100)
- B44.81 — Allergic bronchopulmonary aspergillosis[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- B90.9 — Sequelae of respiratory and unspecified tuberculosis[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- D86.0 — Sarcoidosis of lung[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- D86.1 — Sarcoidosis of lymph nodes[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- D86.2 — Sarcoidosis of lung with sarcoidosis of lymph nodes[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- D86.3 — Sarcoidosis of skin[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- D86.81 — Sarcoid meningitis[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- D86.82 — Multiple cranial nerve palsies in sarcoidosis[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- and 92 more
DRG family
- DRG 197 — INTERSTITIAL LUNG DISEASE WITH CC[DRG family]: “INTERSTITIAL LUNG DISEASE WITH CC — same CMS DRG family (196-198), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 196-198) · FY2027
- DRG 198 — INTERSTITIAL LUNG DISEASE WITHOUT CC/MCC[DRG family]: “INTERSTITIAL LUNG DISEASE WITHOUT CC/MCC — same CMS DRG family (196-198), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 196-198) · FY2027
Read from: CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v44. All data sources · How to read the labels