MS-DRG 093: OTHER DISORDERS OF NERVOUS SYSTEM WITHOUT CC/MCC
MS-DRG 093 is other disorders of nervous system without cc/mcc, in MDC 01 (a medical DRG), at the without-CC/MCC level. Its FY2027 relative weight is 0.7783, so a case here pays less than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 2.20 days. 786 ICD-10-CM principal diagnoses group into MS-DRGs 091–093 under the CMS definitions manual; the most-searched are listed below.
FY2027 payment factors
- Relative weight
- 0.7783
- Geometric mean LOS
- 2.20
- Arithmetic mean LOS
- 2.70
- Post-acute transfer
- Yes
This DRG is subject to the post-acute care transfer policy: a discharge to a qualifying setting below the mean length of stay is paid per diem rather than in full.
Principal diagnoses that group to MS-DRGs 091–093
From the CMS MS-DRG definitions manual’s principal-diagnosis index: 786 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 091–093 the case lands in. The 24 most-searched:
- G89.29Other chronic pain
- R26.89Other abnormalities of gait and mobility
- R20.2Paresthesia of skin
- G25.0Essential tremor
- R26.9Unspecified abnormalities of gait and mobility
- G89.4Chronic pain syndrome
- R20.0Anesthesia of skin
- G95.9Disease of spinal cord, unspecified
- R25.1Tremor, unspecified
- R26.81Unsteadiness on feet
- R29.6Repeated falls
- R25.2Cramp and spasm
- R27.8Other lack of coordination
- G80.9Cerebral palsy, unspecified
- I67.1Cerebral aneurysm, nonruptured
- G72.0Drug-induced myopathy
- G90.APostural orthostatic tachycardia syndrome [POTS]
- R29.818Other symptoms and signs involving the nervous system
- R47.01Aphasia
- G14Postpolio syndrome
- G24.01Drug induced subacute dyskinesia
- G80.8Other cerebral palsy
- G92.8Other toxic encephalopathy
- G93.1Anoxic brain damage, not elsewhere classified
762 more codes group here. Open any code above for its full hierarchy, or check a whole claim in the free DRG calculator.
The severity splits
Same base DRG, split by whether a secondary diagnosis is a CC or MCC. The last column is the weight change from MS-DRG 093.
| 091 | OTHER DISORDERS OF NERVOUS SYSTEM WITH MCC | 1.7046 | +0.9263 |
| 092 | OTHER DISORDERS OF NERVOUS SYSTEM WITH CC | 1.0239 | +0.2456 |
| 093 | OTHER DISORDERS OF NERVOUS SYSTEM WITHOUT CC/MCC | 0.7783 |
All FY2027 MS-DRGs · MDC 01