B51
Non-billablePlasmodium vivax malaria
B51 is the ICD-10-CM code for Plasmodium vivax malaria. It is a non-billable category code — use a more specific child code such as B51.0 for billing.
- Status
- Header (non-billable)
- Chapter
- A00-B99
- Subcodes
- 3
- Edition
- FY2026
A00-B99 Certain infectious and parasitic diseases
Includes
- •mixed infections of Plasmodium vivax with other Plasmodium species, except Plasmodium falciparum
Excludes1 — not coded here
- •plasmodium vivax with Plasmodium falciparum (B50.-)
Frequently asked questions
- What is ICD-10 code B51?
- B51 is the ICD-10-CM code for "Plasmodium vivax malaria". It falls under A00-B99 Certain infectious and parasitic diseases.
- Is B51 a billable code?
- No — B51 is a non-billable header code. Use a more specific child code (such as B51.0) for billing.
- What is excluded from B51?
- Excludes1 (not coded here): plasmodium vivax with Plasmodium falciparum (B50.-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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