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ICD-10-CM Codes
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A00-B99
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B50-B64
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B50-
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2023 ICD-10-CM Diagnosis Code B50.9
2023 ICD-10-CM Diagnosis Code B50.9
Plasmodium falciparum malaria, unspecified
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- B50.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2023 edition of ICD-10-CM B50.9 became effective on October 1, 2022.
- This is the American ICD-10-CM version of B50.9 - other international versions of ICD-10 B50.9 may differ.
The following code(s) above
B50.9 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
B50.9:
- A00-B99
2023 ICD-10-CM Range A00-B99
Certain infectious and parasitic diseasesIncludes- diseases generally recognized as communicable or transmissible
Type 1 Excludes- certain localized infections - see body system-related chapters
Type 2 Excludes- carrier or suspected carrier of infectious disease (Z22.-)
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Use Additional- code to identify resistance to antimicrobial drugs (Z16.-)
- B50-B64
2023 ICD-10-CM Range B50-B64
Protozoal diseasesType 1 Excludes- amebiasis (A06.-)
- other protozoal intestinal diseases (A07.-)
- B50
ICD-10-CM Diagnosis Code B50
Plasmodium falciparum malaria
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Includes- mixed infections of Plasmodium falciparum with any other Plasmodium species
- Falciparum malaria
- Malaria, falciparum
Clinical Information
- Malaria caused by plasmodium falciparum. This is the severest form of malaria and is associated with the highest levels of parasites in the blood. This disease is characterized by irregularly recurring febrile paroxysms that in extreme cases occur with acute cerebral, renal, or gastrointestinal manifestations.
ICD-10-CM B50.9 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
- 867 Other infectious and parasitic diseases diagnoses with mcc
- 868 Other infectious and parasitic diseases diagnoses with cc
- 869 Other infectious and parasitic diseases diagnoses without cc/mcc
Convert B50.9 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
- Chagres fever B50.9
- Estivo-autumnal malaria B50.9 (fever)
- Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
ICD-10-CM Diagnosis Code R50.9
Fever, unspecified
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Fever NOS
- Fever of unknown origin [FUO]
- Fever with chills
- Fever with rigors
- Hyperpyrexia NOS
- Persistent fever
- Pyrexia NOS
- intermittent (bilious) - see also Malaria
- Chagres B50.9
- continued malarial B50.9
- estivo-autumnal B50.9 (malarial)
- Panama B50.9 (malarial)
- subtertian B50.9
- Malaria, malarial (fever) B54
ICD-10-CM Diagnosis Code B54
Unspecified malaria
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
ICD-10-CM Codes Adjacent To B50.9
B48.8 Other specified mycoses
B50 Plasmodium falciparum malaria
B50.0 Plasmodium falciparum malaria with cerebral complications
B50.8 Other severe and complicated Plasmodium falciparum malaria
B50.9
Plasmodium falciparum malaria, unspecified
B51 Plasmodium vivax malaria
B51.0 Plasmodium vivax malaria with rupture of spleen
B51.8 Plasmodium vivax malaria with other complications
B51.9 Plasmodium vivax malaria without complication
B52 Plasmodium malariae malaria
B52.0 Plasmodium malariae malaria with nephropathy
B52.8 Plasmodium malariae malaria with other complications
B52.9 Plasmodium malariae malaria without complication
B53 Other specified malaria
B53.0 Plasmodium ovale malaria
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
