I63.81
Billable codeOther cerebral infarction due to occlusion or stenosis of small artery
The ICD-10 code for other cerebral infarction due to occlusion or stenosis of small artery is I63.81.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Lacunar infarction
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- I63.89Other cerebral infarction
- I63.81Other cerebral infarction due to occlusion or stenosis of small artery
Associated MS-DRGs
I63.81 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 023Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis with MCC or Antineoplastic Implant or Epilepsy with Neurostimulator
- DRG 024Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis without MCC
- DRG 061Ischemic Stroke, Precerebral Occlusion or Transient Ischemia with Thrombolytic Agent with MCC
- DRG 062Ischemic Stroke, Precerebral Occlusion or Transient Ischemia with Thrombolytic Agent with CC
- DRG 063Ischemic Stroke, Precerebral Occlusion or Transient Ischemia with Thrombolytic Agent without CC/MCC
- DRG 064Intracranial Hemorrhage or Cerebral Infarction with MCC
- DRG 065Intracranial Hemorrhage or Cerebral Infarction with CC or tPA in 24 Hours
- DRG 066Intracranial Hemorrhage or Cerebral Infarction without CC/MCC