- I63.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM I63.9 became effective on October 1, 2022.
- This is the American ICD-10-CM version of I63.9 – other international versions of ICD-10 I63.9 may differ.
ICD-10-CM I63.9 is grouped within Diagnostic Related Group(s):
- 023 Craniotomy with major device implant or acute complex cns principal diagnosis with mcc or chemotherapy implant or epilepsy with neurostimulator
- 024 Craniotomy with major device implant or acute complex cns principal diagnosis without mcc
- 061 Ischemic stroke, precerebral occlusion or transient ischemia with thrombolytic agent with mcc
- 062 Ischemic stroke, precerebral occlusion or transient ischemia with thrombolytic agent with cc
- 063 Ischemic stroke, precerebral occlusion or transient ischemia with thrombolytic agent without cc/mcc
- 064 Intracranial hemorrhage or cerebral infarction with mcc
- 065 Intracranial hemorrhage or cerebral infarction with cc or tpa in 24 hours
- 066 Intracranial hemorrhage or cerebral infarction without cc/mcc
- 791 Prematurity with major problems
- 793 Full term neonate with major problems
Applicable To
- Stroke NOS
Type 2 Excludes
- transient cerebral ischemic attacks and related syndromes (G45.-)
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to I63.9:
- cerebral > Accident
- cerebrovascular (embolic) (ischemic) (thrombotic) > Accident
- aborted > cerebrovascular (embolic) (ischemic) (thrombotic) I63.9
- craniovascular > Accident
- vascular, brain > Accident
- ischemic > neurologic NEC R29.818
- reversible (RIND) > ischemic I63.9
- prolonged (PRIND) > reversible (RIND) I63.9
- prolonged reversible ischemic neurologic (PRIND) > Deficit
- aborted > cerebral (acute) (chronic) I63.9-
- cortical > cerebral (acute) (chronic) I63.9-
- cryptogenic > Stroke (apoplectic) (brain) (embolic) (ischemic) (paralytic) (thrombotic) I63.9
- in evolution > Stroke (apoplectic) (brain) (embolic) (ischemic) (paralytic) (thrombotic) I63.9
- unspecified (NOS) > Stroke (apoplectic) (brain) (embolic) (ischemic) (paralytic) (thrombotic) I63.9