Diagnosis Code


Code Information

Diagnosis Code: B04

Short Description: Monkeypox

Long Description: Monkeypox

The code B04 is VALID for claim submission

Code Classification:

  • Certain infectious and parasitic diseases (A00–B99)
    • Viral infections characterized by skin and mucous membrane lesions (B00-B09)
      • Monkeypox (B04)
        • B04 Monkeypox

Code Version: 2022 ICD-10-CM


  • Human monkeypox
  • Monkeypox

Diagnostic Related Group(s)

The code B04 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Viral Illness With Mcc (865)
  • Viral Illness Without Mcc (866)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
B04 Right Arrow 059.01 Monkeypox

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description

This page was last updated on: 10/1/2021