B51 ICD-10-CM Code: Plasmodium vivax malaria
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
B51Plasmodium vivax malaria
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where B51 sits
- 1
Chapter 1
Certain infectious and parasitic diseases (A00-B99)
- 2
Section
Protozoal diseases (B50-B64)
- 3
Category B51
Plasmodium vivax malaria
- 4
Code B51
Plasmodium vivax malaria
More specific choices
Codes under B51
B51 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for B51.
Code first
No “code first” instruction is listed for B51.
Use additional code
No “use additional code” instruction is listed for B51.
Excludes1
Conditions that should not be reported together with this code.
- plasmodium vivax with Plasmodium falciparum (B50.-)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for B51.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code B51 mean?
B51 is the FY 2027 U.S. ICD-10-CM code for “Plasmodium vivax malaria.”
Is B51 a billable or specific ICD-10-CM code?
No. B51 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is B51 located in ICD-10-CM?
B51 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Protozoal diseases (B50-B64) (B50–B64), under category B51, Plasmodium vivax malaria.
What coding notes are listed for B51?
No inclusion terms are listed for B51 in this reference record. No code-first instruction is listed. Excludes1 notes: plasmodium vivax with Plasmodium falciparum (B50.-). No Excludes2 note is listed.
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