2019

  1. ICD-10-CM Codes
    2. ›
  2. G00-G99 Diseases of the nervous system
    3. ›
  3. G40-G47 Episodic and paroxysmal disorders
    4. ›
  4. G46- Vascular syndromes of brain in cerebrovascular diseases
    5. ›

2019 ICD-10-CM Diagnosis Code G46.1

Anterior cerebral artery syndrome

    2016 2017 2018 2019 Billable/Specific Code
  • G46.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM G46.1 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of G46.1 - other international versions of ICD-10 G46.1 may differ.
The following code(s) above G46.1 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to G46.1:
  • G00-G99
    2019 ICD-10-CM Range G00-G99

    Diseases of the nervous system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the nervous system
  • G46
    ICD-10-CM Diagnosis Code G46

    Vascular syndromes of brain in cerebrovascular diseases

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Code First
    • underlying cerebrovascular disease (I60-I69)
    Vascular syndromes of brain in cerebrovascular diseases
ICD-10-CM G46.1 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 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
  • 069 Transient ischemia without thrombolytic

Convert G46.1 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change

Diagnosis Index entries containing back-references to G46.1:

ICD-10-CM Codes Adjacent To G46.1
G45 Transient cerebral ischemic attacks and related syndromes
G45.0 Vertebro-basilar artery syndrome
G45.1 Carotid artery syndrome (hemispheric)
G45.2 Multiple and bilateral precerebral artery syndromes
G45.3 Amaurosis fugax
G45.4 Transient global amnesia
G45.8 Other transient cerebral ischemic attacks and related syndromes
G45.9 Transient cerebral ischemic attack, unspecified
G46 Vascular syndromes of brain in cerebrovascular diseases
G46.0 Middle cerebral artery syndrome
G46.1 Anterior cerebral artery syndrome
G46.2 Posterior cerebral artery syndrome
G46.3 Brain stem stroke syndrome
G46.4 Cerebellar stroke syndrome
G46.5 Pure motor lacunar syndrome
G46.6 Pure sensory lacunar syndrome
G46.7 Other lacunar syndromes
G46.8 Other vascular syndromes of brain in cerebrovascular diseases
G47 Sleep disorders
G47.0 Insomnia
G47.00 …… unspecified

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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