022 MS-DRG: INTRACRANIAL VASCULAR PROCEDURES WITH PRINCIPAL DIAGNOSIS HEMORRHAGE WITHOUT CC/MCC
MS-DRG 022 groups Medicare inpatient hospital stays for: INTRACRANIAL VASCULAR PROCEDURES WITH PRINCIPAL DIAGNOSIS HEMORRHAGE WITHOUT CC/MCC. This is a surgical 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 | Surgical |
| Severity Level | None |
| Relative Weight | 3.3534 |
| Relative Weight (10% Cap Applied) | 3.3534 |
| Geometric Mean Length of Stay | 1.6 days |
| Arithmetic Mean Length of Stay | 2.5 days |
| Post-Acute Transfer DRG | No |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
99 diagnosis codes can drive assignment here: I60.00, I60.01, I60.02, I60.10, I60.11, I60.12, I60.2, I60.30, I60.31, I60.32, I60.4, I60.50 and 87 more.
292 procedure codes appear in its surgical logic (Intracranial Vascular Procedures with Principal Diagnosis Hemorrhage: 292): 031H09G, 031H0AG, 031H0JG, 031H0KG, 031H0ZG, 031J09G, 031J0AG, 031J0JG, 031J0KG, 031J0ZG, 031S09G, 031S0AG and 280 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.
Surgical Precedence (FY2027)
Within MDC 01, this DRG ranks 1 of 8 in CMS's surgical-class precedence order. When a claim qualifies for more than one surgical DRG in this MDC, the highest-ranked class applies.
- 1. Intracranial Vascular Procedures with Principal Diagnosis Hemorrhage (DRGs 020-022) — this DRG
- 2. Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis (DRGs 023-024)
- 3. Craniotomy and Endovascular Intracranial Procedures (DRGs 025-027)
- 4. Spinal Procedures (DRGs 028-030)
- 5. Ventricular Shunt Procedures (DRGs 031-033)
- 6. Carotid Artery Stent Procedures (DRGs 034-036)
- 7. Extracranial Procedures (DRGs 037-039)
- 8. Peripheral, Cranial Nerve and Other Nervous System Procedures (DRGs 040-042)
From the CMS MS-DRG Definitions Manual, Appendix D. Actual DRG assignment depends on the complete claim.
Contextual Map
Every relationship of 022 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 (99)
- I60.00 — Nontraumatic subarachnoid hemorrhage from unspecified carotid siphon and bifurcation[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I60.01 — Nontraumatic subarachnoid hemorrhage from right carotid siphon and bifurcation[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I60.02 — Nontraumatic subarachnoid hemorrhage from left carotid siphon and bifurcation[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I60.10 — Nontraumatic subarachnoid hemorrhage from unspecified middle cerebral artery[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I60.11 — Nontraumatic subarachnoid hemorrhage from right middle cerebral artery[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I60.12 — Nontraumatic subarachnoid hemorrhage from left middle cerebral artery[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I60.2 — Nontraumatic subarachnoid hemorrhage from anterior communicating artery[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I60.30 — Nontraumatic subarachnoid hemorrhage from unspecified posterior communicating artery[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- and 91 more
Defining procedures (292)
- 031H09G — Bypass Right Common Carotid Artery to Intracranial Artery with Autologous Venous Tissue, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 031H0AG — Bypass Right Common Carotid Artery to Intracranial Artery with Autologous Arterial Tissue, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 031H0JG — Bypass Right Common Carotid Artery to Intracranial Artery with Synthetic Substitute, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 031H0KG — Bypass Right Common Carotid Artery to Intracranial Artery with Nonautologous Tissue Substitute, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 031H0ZG — Bypass Right Common Carotid Artery to Intracranial Artery, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 031J09G — Bypass Left Common Carotid Artery to Intracranial Artery with Autologous Venous Tissue, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 031J0AG — Bypass Left Common Carotid Artery to Intracranial Artery with Autologous Arterial Tissue, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- 031J0JG — Bypass Left Common Carotid Artery to Intracranial Artery with Synthetic Substitute, Open Approach[Grouper procedure]— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- and 284 more
DRG family
- DRG 020 — INTRACRANIAL VASCULAR PROCEDURES WITH PRINCIPAL DIAGNOSIS HEMORRHAGE WITH MCC[DRG family]: “INTRACRANIAL VASCULAR PROCEDURES WITH PRINCIPAL DIAGNOSIS HEMORRHAGE WITH MCC — same CMS DRG family (020-022), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 020-022) · FY2027
- DRG 021 — INTRACRANIAL VASCULAR PROCEDURES WITH PRINCIPAL DIAGNOSIS HEMORRHAGE WITH CC[DRG family]: “INTRACRANIAL VASCULAR PROCEDURES WITH PRINCIPAL DIAGNOSIS HEMORRHAGE WITH CC — same CMS DRG family (020-022), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 020-022) · 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 28, 2026 · All releases and sources