I63.019
Billable codeCerebral infarction due to thrombosis of unspecified vertebral artery
The ICD-10 code for cerebral infarction due to thrombosis of unspecified vertebral artery is I63.019.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •Laterality-specific codes exist for this condition — confirm the affected side is documented.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- I63.011Cerebral infarction due to thrombosis of right vertebral artery
- I63.012Cerebral infarction due to thrombosis of left vertebral artery
- I63.013Cerebral infarction due to thrombosis of bilateral vertebral arteries
- I63.019Cerebral infarction due to thrombosis of unspecified vertebral artery
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 43321Approximate match
Associated MS-DRGs
I63.019 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