B50.9
BillablePlasmodium falciparum malaria, unspecified
Plasmodium falciparum malaria, unspecified
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
- mixed infections of Plasmodium falciparum with any other Plasmodium species
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
- •amebiasisA06
- •other protozoal intestinal diseasesA07
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
Related Codes(2)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(74)
SNOMED CT
- Algid malaria18342001
- Algid malaria - malarial shock18342001
- Falciparum malaria62676009
- Falciparum malaria - malignant62676009
- MT - Malignant tertian malaria62676009
- MTM - Malignant tertian malaria62676009
- Malaria by Plasmodium falciparum62676009
- Malignant tertian malaria62676009
- Pernicious malaria62676009
- Plasmodium falciparum malaria62676009
- ST - Subtertian malaria62676009
- STM - Subtertian malaria62676009
- Subtertian malaria62676009
- Chagres fever76872006
- Chagres virus disease76872006
- Intermittent fever77957000
- Periodic fever, not disease77957000
- Picket fence fever77957000
- Malarial fever248437004
- Quotidien fever248438009
- Double quotidien fever248439001
- Tertian fever248440004
- Malignant tertian fever248441000
UMLS
- Falciparum MalariaC0024535
- Falciparum malariaC0024535
- Falciparum malaria (disorder)C0024535
- Falciparum malaria (malignant tertian)C0024535
- Falciparum malaria - malignantC0024535
- MT - Malignant tertian malariaC0024535
- MTM - Malignant tertian malariaC0024535
- Malaria by Plasmodium falciparumC0024535
- Malaria, FalciparumC0024535
- Malaria, Plasmodium falciparumC0024535
- Malignant tertian feverC0024535
- Malignant tertian fever (finding)C0024535
- Malignant tertian malariaC0024535
- Pernicious malariaC0024535
- Plasmodium falciparum MalariaC0024535
- Plasmodium falciparum malariaC0024535
- Plasmodium falciparum malaria, unspecifiedC0024535
- ST - Subtertian malariaC0024535
- STM - Subtertian malariaC0024535
- Subtertian malariaC0024535
- falciparum malariaC0024535
- malaria falciparumC0024535
- plasmodium falciparum malariaC0024535
Clinical Terms
- Malignant tertian fever (finding)
- Algid malaria
- Malarial fever
- Malignant tertian malaria
- Intermittent fever
- Subtertian malaria
- Chagres virus disease
- Pernicious malaria
- Malaria, Plasmodium falciparum
- falciparum malaria
- Tertian fever
- Periodic fever, not disease
- Quotidien fever
- MTM - Malignant tertian malaria
- Algid malaria - malarial shock
- ST - Subtertian malaria
- Picket fence fever
- malaria falciparum
- MT - Malignant tertian malaria
- Falciparum malaria (malignant tertian)
- Double quotidien fever
- Falciparum malaria (disorder)
- Malaria by Plasmodium falciparum
- Falciparum malaria - malignant
- STM - Subtertian malaria
- Chagres fever
- Malignant tertian fever
- Malaria, Falciparum
Frequently Asked Questions
What is the ICD-10 code for plasmodium falciparum malaria, unspecified?
The ICD-10-CM code for plasmodium falciparum malaria, unspecified is B50.9. The full clinical description is "Plasmodium falciparum malaria, unspecified". B50.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code B50.9 mean?
ICD-10-CM code B50.9 represents “Plasmodium falciparum malaria, unspecified”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a billable/specific code that can be used on a claim.
Is B50.9 a billable code?
Yes, B50.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is B50.9 in?
B50.9 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with B50.9?
B50.9 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; amebiasis (A06.-); other protozoal intestinal diseases (A07.-).
Are additional codes required with B50.9?
Yes, when using B50.9, also report: resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does B50.9 map to?
B50.9 maps to 9 SNOMED CT concepts: 18342001, 76872006, 248439001, 62676009, 77957000, and 4 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for B50.9?
B50.9 is linked to 1 UMLS Concept Unique Identifier: C0024535. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does B50.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like plasmodium falciparum malaria, unspecified affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of B50.9?
B50.9 maps to the ICD-11 code: 1F40.Z (Malaria due to Plasmodium falciparum, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.