MS-DRG v44.0 · MDC 01: Diseases and Disorders of the Nervous System
020 — Intracranial Vascular Procedures with Principal Diagnosis Hemorrhage with MCC
Source: CMS MS-DRG v44.0 and FY2027 IPPS final rule. Page updated September 29, 2026.
- Relative weight
- 7.9629
- Geometric mean LOS
- 8.4 days
- Arithmetic mean LOS
- 12 days
- Type
- Surgical
About MS-DRG 020
MS-DRG 020, Intracranial Vascular Procedures with Principal Diagnosis Hemorrhage with MCC, is a surgical DRG in MDC 01 (Diseases and Disorders of the Nervous System) under MS-DRG version 44.0, which applies to inpatient discharges from October 1, 2026 through September 30, 2027.
Its FY2027 relative weight is 7.9629, so Medicare's base payment for this DRG is about 7.96 times the average inpatient case, before hospital-specific adjustments. The geometric mean length of stay is 8.4 days and the arithmetic mean is 12 days.
It belongs to a 3-level severity family: DRG 020 (with MCC, weight 7.9629), DRG 021 (with CC, weight 5.4726) and DRG 022 (without CC/MCC, weight 3.3534). The highest-severity level carries 2.4 times the weight of the lowest, which is why documenting CC and MCC conditions matters.
99 ICD-10-CM diagnosis codes are part of this DRG's grouping logic; they are listed below.
ICD-10-CM codes that group to DRG 020 (99)
Chapter 9: Diseases of the circulatory system
- I60.00Nontraumatic subarachnoid hemorrhage from unspecified carotid siphon and bifurcation
- I60.01Nontraumatic subarachnoid hemorrhage from right carotid siphon and bifurcation
- I60.02Nontraumatic subarachnoid hemorrhage from left carotid siphon and bifurcation
- I60.10Nontraumatic subarachnoid hemorrhage from unspecified middle cerebral artery
- I60.11Nontraumatic subarachnoid hemorrhage from right middle cerebral artery
- I60.12Nontraumatic subarachnoid hemorrhage from left middle cerebral artery
- I60.2Nontraumatic subarachnoid hemorrhage from anterior communicating artery
- I60.30Nontraumatic subarachnoid hemorrhage from unspecified posterior communicating artery
- I60.31Nontraumatic subarachnoid hemorrhage from right posterior communicating artery
- I60.32Nontraumatic subarachnoid hemorrhage from left posterior communicating artery
- I60.4Nontraumatic subarachnoid hemorrhage from basilar artery
- I60.50Nontraumatic subarachnoid hemorrhage from unspecified vertebral artery
- I60.51Nontraumatic subarachnoid hemorrhage from right vertebral artery
- I60.52Nontraumatic subarachnoid hemorrhage from left vertebral artery
- I60.6Nontraumatic subarachnoid hemorrhage from other intracranial arteries
- I60.7Nontraumatic subarachnoid hemorrhage from unspecified intracranial artery
- I60.8Other nontraumatic subarachnoid hemorrhage
- I60.9Nontraumatic subarachnoid hemorrhage, unspecified
- I61.0Nontraumatic intracerebral hemorrhage in hemisphere, subcortical
- I61.1Nontraumatic intracerebral hemorrhage in hemisphere, cortical
- I61.2Nontraumatic intracerebral hemorrhage in hemisphere, unspecified
- I61.3Nontraumatic intracerebral hemorrhage in brain stem
- I61.4Nontraumatic intracerebral hemorrhage in cerebellum
- I61.5Nontraumatic intracerebral hemorrhage, intraventricular
- I61.6Nontraumatic intracerebral hemorrhage, multiple localized
- I61.8Other nontraumatic intracerebral hemorrhage
- I61.9Nontraumatic intracerebral hemorrhage, unspecified
- I62.00Nontraumatic subdural hemorrhage, unspecified
- I62.01Nontraumatic acute subdural hemorrhage
- I62.02Nontraumatic subacute subdural hemorrhage
- I62.03Nontraumatic chronic subdural hemorrhage
- I62.1Nontraumatic extradural hemorrhage
- I62.9Nontraumatic intracranial hemorrhage, unspecified
Chapter 19: Injury, poisoning and certain other consequences of external causes
- S06.340ATraumatic hemorrhage of right cerebrum without loss of consciousness, initial encounter
- S06.341ATraumatic hemorrhage of right cerebrum with loss of consciousness of 30 minutes or less, initial encounter
- S06.342ATraumatic hemorrhage of right cerebrum with loss of consciousness of 31 minutes to 59 minutes, initial encounter
- S06.343ATraumatic hemorrhage of right cerebrum with loss of consciousness of 1 hours to 5 hours 59 minutes, initial encounter
- S06.344ATraumatic hemorrhage of right cerebrum with loss of consciousness of 6 hours to 24 hours, initial encounter
- S06.345ATraumatic hemorrhage of right cerebrum with loss of consciousness greater than 24 hours with return to pre-existing conscious level, initial encounter
- S06.346ATraumatic hemorrhage of right cerebrum with loss of consciousness greater than 24 hours without return to pre-existing conscious level with patient surviving, initial encounter
- S06.347ATraumatic hemorrhage of right cerebrum with loss of consciousness of any duration with death due to brain injury prior to regaining consciousness, initial encounter
- S06.348ATraumatic hemorrhage of right cerebrum with loss of consciousness of any duration with death due to other cause prior to regaining consciousness, initial encounter
- S06.349ATraumatic hemorrhage of right cerebrum with loss of consciousness of unspecified duration, initial encounter
- S06.34AATraumatic hemorrhage of right cerebrum with loss of consciousness status unknown, initial encounter
- S06.350ATraumatic hemorrhage of left cerebrum without loss of consciousness, initial encounter
- S06.351ATraumatic hemorrhage of left cerebrum with loss of consciousness of 30 minutes or less, initial encounter
- S06.352ATraumatic hemorrhage of left cerebrum with loss of consciousness of 31 minutes to 59 minutes, initial encounter
- S06.353ATraumatic hemorrhage of left cerebrum with loss of consciousness of 1 hours to 5 hours 59 minutes, initial encounter
- S06.354ATraumatic hemorrhage of left cerebrum with loss of consciousness of 6 hours to 24 hours, initial encounter
- S06.355ATraumatic hemorrhage of left cerebrum with loss of consciousness greater than 24 hours with return to pre-existing conscious level, initial encounter
- S06.356ATraumatic hemorrhage of left cerebrum with loss of consciousness greater than 24 hours without return to pre-existing conscious level with patient surviving, initial encounter
- S06.357ATraumatic hemorrhage of left cerebrum with loss of consciousness of any duration with death due to brain injury prior to regaining consciousness, initial encounter
- S06.358ATraumatic hemorrhage of left cerebrum with loss of consciousness of any duration with death due to other cause prior to regaining consciousness, initial encounter
- S06.359ATraumatic hemorrhage of left cerebrum with loss of consciousness of unspecified duration, initial encounter
- S06.35AATraumatic hemorrhage of left cerebrum with loss of consciousness status unknown, initial encounter
- S06.360ATraumatic hemorrhage of cerebrum, unspecified, without loss of consciousness, initial encounter
- S06.361ATraumatic hemorrhage of cerebrum, unspecified, with loss of consciousness of 30 minutes or less, initial encounter
- S06.362ATraumatic hemorrhage of cerebrum, unspecified, with loss of consciousness of 31 minutes to 59 minutes, initial encounter
- S06.363ATraumatic hemorrhage of cerebrum, unspecified, with loss of consciousness of 1 hours to 5 hours 59 minutes, initial encounter
- S06.364ATraumatic hemorrhage of cerebrum, unspecified, with loss of consciousness of 6 hours to 24 hours, initial encounter
- S06.365ATraumatic hemorrhage of cerebrum, unspecified, with loss of consciousness greater than 24 hours with return to pre-existing conscious level, initial encounter
- S06.366ATraumatic hemorrhage of cerebrum, unspecified, with loss of consciousness greater than 24 hours without return to pre-existing conscious level with patient surviving, initial encounter
- S06.367ATraumatic hemorrhage of cerebrum, unspecified, with loss of consciousness of any duration with death due to brain injury prior to regaining consciousness, initial encounter
- S06.368ATraumatic hemorrhage of cerebrum, unspecified, with loss of consciousness of any duration with death due to other cause prior to regaining consciousness, initial encounter
- S06.369ATraumatic hemorrhage of cerebrum, unspecified, with loss of consciousness of unspecified duration, initial encounter
- S06.36AATraumatic hemorrhage of cerebrum, unspecified, with loss of consciousness status unknown, initial encounter
- S06.370AContusion, laceration, and hemorrhage of cerebellum without loss of consciousness, initial encounter
- S06.371AContusion, laceration, and hemorrhage of cerebellum with loss of consciousness of 30 minutes or less, initial encounter
- S06.372AContusion, laceration, and hemorrhage of cerebellum with loss of consciousness of 31 minutes to 59 minutes, initial encounter
- S06.373AContusion, laceration, and hemorrhage of cerebellum with loss of consciousness of 1 hour to 5 hours 59 minutes, initial encounter
- S06.374AContusion, laceration, and hemorrhage of cerebellum with loss of consciousness of 6 hours to 24 hours, initial encounter
- S06.375AContusion, laceration, and hemorrhage of cerebellum with loss of consciousness greater than 24 hours with return to pre-existing conscious level, initial encounter
- S06.376AContusion, laceration, and hemorrhage of cerebellum with loss of consciousness greater than 24 hours without return to pre-existing conscious level with patient surviving, initial encounter
- S06.377AContusion, laceration, and hemorrhage of cerebellum with loss of consciousness of any duration with death due to brain injury prior to regaining consciousness, initial encounter
- S06.378AContusion, laceration, and hemorrhage of cerebellum with loss of consciousness of any duration with death due to other cause prior to regaining consciousness, initial encounter
- S06.379AContusion, laceration, and hemorrhage of cerebellum with loss of consciousness of unspecified duration, initial encounter
- S06.37AAContusion, laceration, and hemorrhage of cerebellum with loss of consciousness status unknown, initial encounter
- S06.380AContusion, laceration, and hemorrhage of brainstem without loss of consciousness, initial encounter
- S06.381AContusion, laceration, and hemorrhage of brainstem with loss of consciousness of 30 minutes or less, initial encounter
- S06.382AContusion, laceration, and hemorrhage of brainstem with loss of consciousness of 31 minutes to 59 minutes, initial encounter
- S06.383AContusion, laceration, and hemorrhage of brainstem with loss of consciousness of 1 hour to 5 hours 59 minutes, initial encounter
- S06.384AContusion, laceration, and hemorrhage of brainstem with loss of consciousness of 6 hours to 24 hours, initial encounter
- S06.385AContusion, laceration, and hemorrhage of brainstem with loss of consciousness greater than 24 hours with return to pre-existing conscious level, initial encounter
- S06.386AContusion, laceration, and hemorrhage of brainstem with loss of consciousness greater than 24 hours without return to pre-existing conscious level with patient surviving, initial encounter
- S06.387AContusion, laceration, and hemorrhage of brainstem with loss of consciousness of any duration with death due to brain injury prior to regaining consciousness, initial encounter
- S06.388AContusion, laceration, and hemorrhage of brainstem with loss of consciousness of any duration with death due to other cause prior to regaining consciousness, initial encounter
- S06.389AContusion, laceration, and hemorrhage of brainstem with loss of consciousness of unspecified duration, initial encounter
- S06.38AAContusion, laceration, and hemorrhage of brainstem with loss of consciousness status unknown, initial encounter
- S06.6X0ATraumatic subarachnoid hemorrhage without loss of consciousness, initial encounter
- S06.6X1ATraumatic subarachnoid hemorrhage with loss of consciousness of 30 minutes or less, initial encounter
- S06.6X2ATraumatic subarachnoid hemorrhage with loss of consciousness of 31 minutes to 59 minutes, initial encounter
- S06.6X3ATraumatic subarachnoid hemorrhage with loss of consciousness of 1 hour to 5 hours 59 minutes, initial encounter
- S06.6X4ATraumatic subarachnoid hemorrhage with loss of consciousness of 6 hours to 24 hours, initial encounter
- S06.6X5ATraumatic subarachnoid hemorrhage with loss of consciousness greater than 24 hours with return to pre-existing conscious level, initial encounter
- S06.6X6ATraumatic subarachnoid hemorrhage with loss of consciousness greater than 24 hours without return to pre-existing conscious level with patient surviving, initial encounter
- S06.6X7ATraumatic subarachnoid hemorrhage with loss of consciousness of any duration with death due to brain injury prior to regaining consciousness, initial encounter
- S06.6X8ATraumatic subarachnoid hemorrhage with loss of consciousness of any duration with death due to other cause prior to regaining consciousness, initial encounter
- S06.6X9ATraumatic subarachnoid hemorrhage with loss of consciousness of unspecified duration, initial encounter
- S06.6XAATraumatic subarachnoid hemorrhage with loss of consciousness status unknown, initial encounter
Common questions about DRG 020
What is the relative weight of DRG 020?
- 7.9629 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.
What is the average length of stay for DRG 020?
- The geometric mean length of stay is 8.4 days; the arithmetic mean is 12 days.
Is DRG 020 medical or surgical?
- DRG 020 is a surgical DRG.