B51 is the ICD-10 code for Plasmodium vivax malaria. It is a three-character category divided into 3 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block B50–B64 (Protozoal diseases) in Chapter I, Certain infectious and parasitic diseases.
- Code type
- Category (3 characters)
- Chapter
- I · A00–B99
- Classification
- WHO ICD-10, 2019 version
What B51 includes
Conditions and terms that are coded here.
- mixed infections of Plasmodium vivax with other Plasmodium species, except Plasmodium falciparum
What B51 excludes
Conditions that look similar but belong under another code.
- when mixed with Plasmodium falciparum B50.-
Subcodes of B51
B51 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DB51Plasmodium vivax-malaria
B51Vivax-malaria (Plasmodium vivax -alkueläimen aiheuttama malaria)
B51Malaria tertiana durch Plasmodium vivax
B51Paludisme à Plasmodium vivax
B51malaria door Plasmodium vivax
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
Look up another code
Stop looking codes up by hand
Docdemic listens to the consultation, writes the note and suggests the diagnosis and procedure codes that fit it, each one checked against your country’s official code list.
Try Docdemic free