B04
Billable codeMonkeypox
The ICD-10 code for monkeypox is B04.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Mpox
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- B00Herpesviral [herpes simplex] infectionsnon-billable header
- B01Varicella [chickenpox]non-billable header
- B02Zoster [herpes zoster]non-billable header
- B03Smallpox
- B05Measlesnon-billable header
- B06Rubella [German measles]non-billable header
- B07Viral wartsnon-billable header
- B08Other viral infections characterized by skin and mucous membrane lesions, not elsewhere classifiednon-billable header
- B09Unspecified viral infection characterized by skin and mucous membrane lesions
- B04Monkeypox
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 05901
Associated MS-DRGs
B04 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.