ICD-10-CA code title change for mpox (monkeypox)
This bulletin confirms an ICD-10-CA code title change for B04 to Mpox [monkeypox]. This change will take effect April 1, 2025.
The updated ICD-10-CA code is B04 Mpox [monkeypox].
There is no change to the classification of mpox. It is still classified to B04 Mpox [monkeypox] per previous direction.
This change is in accordance with the World Health Organization directive for international data collection concerning this outbreak.
Related coding question number 81118 can be found in the eQuery database. If you need help coding a specific case, submit your question along with supporting clinical documentation via eQuery.
Data capture of mpox (monkeypox) using the Canadian Emergency Department Diagnosis Shortlist (CED-DxS)
The CED-DxS has been updated to reflect the revised code title. The accompanying common term mpox has been added and will be available in v8.2, scheduled for release in late Q3 2024.
The CED-DxS is used to capture ED Discharge Diagnosis (National Ambulatory Care Reporting System [NACRS] data element 137). Send your questions about the CED-DxS to nacrspicklists@cihi.ca.
For further clinical information, visit the following web pages:
How to cite:
Canadian Institute for Health Information. ICD-10-CA code title change for mpox (monkeypox). Accessed October 21, 2024.
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