2019 ICD-10-CM Diagnosis Code G93.49

Other encephalopathy

    2016 2017 2018 2019 Billable/Specific Code
  • G93.49 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 G93.49 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of G93.49 - other international versions of ICD-10 G93.49 may differ.
Applicable To
  • Encephalopathy NEC
The following code(s) above G93.49 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 G93.49:
  • 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
  • G93.4
    ICD-10-CM Diagnosis Code G93.4

    Other and unspecified encephalopathy

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • alcoholic encephalopathy (G31.2)
    • encephalopathy in diseases classified elsewhere (G94)
    • hypertensive encephalopathy (I67.4)
    • toxic (metabolic) encephalopathy (G92)
    Other and unspecified encephalopathy
Approximate Synonyms
  • Encephalopathy, multifactorial
  • Leukoencephalopathy, subcortical
  • Multifactorial encephalopathy
  • Subcortical leukoencephalopathy
ICD-10-CM G93.49 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 070 Nonspecific cerebrovascular disorders with mcc
  • 071 Nonspecific cerebrovascular disorders with cc
  • 072 Nonspecific cerebrovascular disorders without cc/mcc
  • 974 Hiv with major related condition with mcc
  • 975 Hiv with major related condition with cc
  • 976 Hiv with major related condition without cc/mcc

Convert G93.49 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 G93.49:
  • Encephalopathy (acute) G93.40
    ICD-10-CM Diagnosis Code G93.40

    Encephalopathy, unspecified

      2016 2017 2018 2019 Billable/Specific Code
    • specified NEC G93.49
  • Leukoencephalopathy G93.49 - see also Encephalopathy
  • Syndrome - see also Disease
    • Susac G93.49

ICD-10-CM Codes Adjacent To G93.49
G91.9 Hydrocephalus, unspecified
G92 Toxic encephalopathy
G93 Other disorders of brain
G93.0 Cerebral cysts
G93.1 Anoxic brain damage, not elsewhere classified
G93.2 Benign intracranial hypertension
G93.3 Postviral fatigue syndrome
G93.4 Other and unspecified encephalopathy
G93.40 Encephalopathy, unspecified
G93.41 Metabolic encephalopathy
G93.49 Other encephalopathy
G93.5 Compression of brain
G93.6 Cerebral edema
G93.7 Reye's syndrome
G93.8 Other specified disorders of brain
G93.81 Temporal sclerosis
G93.82 Brain death
G93.89 Other specified disorders of brain
G93.9 Disorder of brain, unspecified
G94 Other disorders of brain in diseases classified elsewhere
G95 Other and unspecified diseases of spinal cord

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