2024 ICD-10-CM Diagnosis Code B04

by

Monkeypox

  • B04 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 B04 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of B04 – other international versions of ICD-10 B04 may differ.

The following code(s) above B04 contain annotation back-references

 that may be applicable to B04:

  • A00-B99  Certain infectious and parasitic diseases

Approximate Synonyms

  • Human monkeypox
  • Monkeypox infection

Clinical Information

  • A viral disease infecting primates and rodents. Its clinical presentation in humans is similar to smallpox including fever; headache; cough; and a painful rash. It is caused by monkeypox virus and is usually transmitted to humans through bites or via contact with an animal’s blood. Interhuman transmission is relatively low (significantly less than smallpox).

ICD-10-CM B04 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 865 Viral illness with mcc
  • 866 Viral illness without mcc

Convert B04 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

Code annotations containing back-references to B04:

  • Type 2 Excludes: B08.0

Diagnosis Index entries containing back-references to B04:

  • Monkeypox B04