2024 ICD-10-CM Diagnosis Code B94.1

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Sequelae of viral encephalitis

  • B94.1 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 B94.1 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of B94.1 – other international versions of ICD-10 B94.1 may differ.

The following code(s) above B94.1 contain annotation back-references

 that may be applicable to B94.1:

  • A00-B99  Certain infectious and parasitic diseases
  • B90-B94  Sequelae of infectious and parasitic diseases

Approximate Synonyms

  • Late effect of viral encephalitis
  • Late effects of viral encephalitis
  • Viral encephalitis, late effect

Present On Admission

  • B94.1 is considered exempt from POA reporting.

ICD-10-CM B94.1 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 091 Other disorders of nervous system with mcc
  • 092 Other disorders of nervous system with cc
  • 093 Other disorders of nervous system without cc/mcc

Convert B94.1 to ICD-9-CMCode 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
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change

Diagnosis Index entries containing back-references to B94.1: