G46.3 – Brain stem stroke syndrome
ICD-10-CM 2027 diagnosis code · Episodic and paroxysmal disorders
ICD-10-CM code
G46.3
- Code
G46.3(claims format:G463)- Description
- Brain stem stroke syndrome
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 6. Diseases of the nervous system (G00-G99)
- Block
- G40-G47 Episodic and paroxysmal disorders
- Parent codes
- G46
Notes for G46.3
Applicable to:
- Benedikt syndrome
- Claude syndrome
- Foville syndrome
- Millard-Gubler syndrome
- Wallenberg syndrome
- Weber syndrome
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
G46 – Vascular syndromes of brain in cerebrovascular diseases
Index terms for G46.3
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Céstan
- Foville's
- Millard-Gubler
- Syndrome, Weber's
- Syndrome, Foville's
- Syndrome, Benedikt's
- Weber-Leyden syndrome
- Weber-Gubler syndrome
- Syndrome, Weber-Leyden
- Syndrome, Weber-Gubler
- Syndrome, Wallenberg's
- Syndrome, Millard-Gubler
- Syndrome, Gubler-Millard
- Syndrome, brain stem stroke
- Paralysis, paralytic, Gubler
- Claude's disease or syndrome
- Paralysis, paralytic, Weber's
- Weber's paralysis or syndrome
- Benedikt's paralysis or syndrome
- Paralysis, paralytic, Benedikt's
- Wallenberg's disease or syndrome
- Gubler-Millard paralysis or syndrome
- Paralysis, paralytic, Céstan-Chenais
- Paralysis, paralytic, Millard-Gubler-Foville
Related codes in G46
- G46.0 – Middle cerebral artery syndromeBillable
- G46.1 – Anterior cerebral artery syndromeBillable
- G46.2 – Posterior cerebral artery syndromeBillable
- G46.4 – Cerebellar stroke syndromeBillable
- G46.5 – Pure motor lacunar syndromeBillable
- G46.6 – Pure sensory lacunar syndromeBillable
- G46.7 – Other lacunar syndromesBillable
- G46.8 – Other vascular syndromes of brain in cerebrovascular diseasesBillable
Frequently asked questions
What is ICD-10 code G46.3?
G46.3 is the ICD-10-CM code for brain stem stroke syndrome, in the block G40-G47 (Episodic and paroxysmal disorders).
Is G46.3 a billable code?
Yes. G46.3 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does G46.3 belong to?
It belongs to category G46 – Vascular syndromes of brain in cerebrovascular diseases.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.