123 MS-DRG: NEUROLOGICAL EYE DISORDERS
MS-DRG 123 groups Medicare inpatient hospital stays for: NEUROLOGICAL EYE DISORDERS. This is a medical MS-DRG. It falls under MDC 02 (Diseases and Disorders of the Eye).
Payment & Classification Data
Official CMS values from the FY2027 IPPS Final Rule Table 5.
| Major Diagnostic Category | MDC 02 — Diseases and Disorders of the Eye |
| DRG Type | Medical |
| Severity Level | N/A |
| Relative Weight | 0.822 |
| Relative Weight (10% Cap Applied) | 0.822 |
| Geometric Mean Length of Stay | 2 days |
| Arithmetic Mean Length of Stay | 2.6 days |
| Post-Acute Transfer DRG | No |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
210 diagnosis codes can drive assignment here: A39.82, G45.3, H02.401, H02.402, H02.403, H02.409, H02.421, H02.422, H02.423, H02.429, H02.431, H02.432 and 198 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 123 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 02 — Diseases and Disorders of the Eye[MDC]— CMS MS-DRG Definitions Manual · FY2027
Defining diagnoses (210)
- A39.82 — Meningococcal retrobulbar neuritis[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- G45.3 — Amaurosis fugax[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- H02.401 — Unspecified ptosis of right eyelid[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- H02.402 — Unspecified ptosis of left eyelid[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- H02.403 — Unspecified ptosis of bilateral eyelids[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- H02.409 — Unspecified ptosis of unspecified eyelid[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- H02.421 — Myogenic ptosis of right eyelid[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- H02.422 — Myogenic ptosis of left eyelid[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- and 202 more
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