067 MS-DRG: PRECEREBRAL OCCLUSION WITHOUT INFARCTION WITH MCC
MS-DRG 067 groups Medicare inpatient hospital stays for: PRECEREBRAL OCCLUSION WITHOUT INFARCTION WITH MCC. This is a medical MS-DRG. It falls under MDC 01 (Diseases and Disorders of the Nervous System).
Payment & Classification Data
Official CMS values from the FY2027 IPPS Final Rule Table 5.
| Major Diagnostic Category | MDC 01 — Diseases and Disorders of the Nervous System |
| DRG Type | Medical |
| Severity Level | MCC |
| Relative Weight | 1.4274 |
| Relative Weight (10% Cap Applied) | 1.4274 |
| Geometric Mean Length of Stay | 3.4 days |
| Arithmetic Mean Length of Stay | 4.4 days |
| Post-Acute Transfer DRG | No |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
26 diagnosis codes can drive assignment here: I65.01, I65.02, I65.03, I65.09, I65.1, I65.21, I65.22, I65.23, I65.29, I65.8, I65.9, I66.01 and 14 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 067 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 01 — Diseases and Disorders of the Nervous System[MDC]— CMS MS-DRG Definitions Manual · FY2027
Defining diagnoses (26)
- I65.01 — Occlusion and stenosis of right vertebral artery[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I65.02 — Occlusion and stenosis of left vertebral artery[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I65.03 — Occlusion and stenosis of bilateral vertebral arteries[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I65.09 — Occlusion and stenosis of unspecified vertebral artery[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I65.1 — Occlusion and stenosis of basilar artery[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I65.21 — Occlusion and stenosis of right carotid artery[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I65.22 — Occlusion and stenosis of left carotid artery[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I65.23 — Occlusion and stenosis of bilateral carotid arteries[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- and 18 more
DRG family
- DRG 068 — PRECEREBRAL OCCLUSION WITHOUT INFARCTION WITHOUT MCC[DRG family]: “PRECEREBRAL OCCLUSION WITHOUT INFARCTION WITHOUT MCC — same CMS DRG family (067-068), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 067-068) · 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 · How MedCoder verifies its implementation
Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 20, 2026 · All releases and sources