B64
BillableUnspecified protozoal disease
Unspecified protozoal disease
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
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
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(110)
SNOMED CT
- Protozoan myocarditis8916007
- Parasitic conjunctivitis13816006
- Dilated cardiomyopathy due to protozoal myocarditis40532006
- Dilated cardiomyopathy due to protozoan myocarditis40532006
- Dilated cardiomyopathy secondary to protozoal myocarditis40532006
- Parasitic myositis60970005
- Protozoal myelitis61407009
- Parasitic disease in mother complicating pregnancy, childbirth AND/OR puerperium81557008
- Dilated cardiomyopathy due to infection86194008
- Dilated cardiomyopathy due to infectious disease86194008
- Protozoan infection95896000
- Protozoiasis95896000
- Protozoosis95896000
- Protozoal corneal ulcer231895009
- Parasitic myocarditis233869002
- Protozoal esophagitis235604009
- Protozoal oesophagitis235604009
- Infective ulcer of esophagus235609004
- Infective ulcer of oesophagus235609004
- Protozoal ulcer of esophagus235612001
- Protozoal ulcer of oesophagus235612001
- Protozoal infestation of skin238450000
- Protozoal myositis240112000
- Encephalitis caused by protozoa418455000
- Parasitic encephalitis418455000
- Cardiovascular abnormality due to infectious myocarditis472811009
- Cardiovascular abnormality due to infective myocarditis472811009
- Protozoal disease complicating pregnancy childbirth and the puerperium721201001
- Parasitic infection of lacrimal gland721260003
- Parasitic esophageal ulcer733147004
- Parasitic infection causing ulcer of esophagus733147004
- Parasitic infection causing ulcer of oesophagus733147004
- Parasitic oesophageal ulcer733147004
- Dilated cardiomyopathy due to parasitic myocarditis1153452008
- Conjunctivitis caused by Protozoa1177057009
- Protozoal conjunctivitis1177057009
- Dacryoadenitis caused by Protozoa1177077002
- Protozoal dacryoadenitis1177077002
UMLS
- INFECT PROTOZOANC0033740
- Infection protozoalC0033740
- Infection, ProtozoanC0033740
- Infections, ProtozoanC0033740
- PROTOZOAN INFECTC0033740
- Protozoal InfectionC0033740
- Protozoal diseases (B50-B64)C0033740
- Protozoal infection NOSC0033740
- Protozoal infectious disordersC0033740
- Protozoan InfectionC0033740
- Protozoan InfectionsC0033740
- Protozoan infectionC0033740
- Protozoan infection (disorder)C0033740
- ProtozoiasisC0033740
- ProtozoosisC0033740
- Unspecified protozoal diseaseC0033740
- infections protozoalC0033740
- protozoal diseasesC0033740
- protozoal infectionC0033740
- protozoan infectionC0033740
- protozoan infectionsC0033740
Clinical Terms
- Dilated cardiomyopathy due to parasitic myocarditis
- Parasitic esophageal ulcer
- Protozoal esophagitis
- Protozoan Infections
- INFECT PROTOZOAN
- Parasitic infection causing ulcer of esophagus
- Protozoal corneal ulcer
- Protozoal ulcer of oesophagus
- Infective ulcer of esophagus
- Protozoal conjunctivitis
- Parasitic encephalitis
- Protozoal infestation of skin
- Cardiovascular abnormality due to infective myocarditis
- Parasitic infection causing ulcer of oesophagus
- Conjunctivitis caused by Protozoa
- Dacryoadenitis caused by Protozoa
- Protozoal diseases (B50-B64)
- Protozoal disease complicating pregnancy childbirth and the puerperium
- protozoan infection
- Parasitic conjunctivitis
- Dilated cardiomyopathy due to infection
- Infective ulcer of oesophagus
- Protozoal myelitis
- Infection, Protozoan
- Protozoan infection (disorder)
- protozoal infection
- Parasitic myocarditis
- Protozoal myositis
- Protozoosis
- Dilated cardiomyopathy due to infectious disease
- Parasitic myositis
- infections protozoal
- Cardiovascular abnormality due to infectious myocarditis
- Protozoal ulcer of esophagus
- Protozoal infection NOS
- Dilated cardiomyopathy due to protozoan myocarditis
- Encephalitis caused by protozoa
- Protozoal oesophagitis
- Parasitic oesophageal ulcer
- protozoal diseases
- Parasitic disease in mother complicating pregnancy, childbirth AND/OR puerperium
- PROTOZOAN INFECT
- Parasitic infection of lacrimal gland
- Dilated cardiomyopathy due to protozoal myocarditis
- Infection protozoal
- Protozoan myocarditis
- Infections, Protozoan
- Protozoiasis
- Protozoal infectious disorders
- Protozoal dacryoadenitis
- Dilated cardiomyopathy secondary to protozoal myocarditis
Frequently Asked Questions
What is the ICD-10 code for unspecified protozoal disease?
The ICD-10-CM code for unspecified protozoal disease is B64. The full clinical description is "Unspecified protozoal disease". B64 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code B64 mean?
ICD-10-CM code B64 represents “Unspecified protozoal disease”. 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 B64 a billable code?
Yes, B64 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is B64 in?
B64 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with B64?
B64 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 B64?
Yes, when using B64, also report: resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does B64 map to?
B64 maps to 23 SNOMED CT concepts: 472811009, 1177057009, 1177077002, 86194008, 1153452008, and 18 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for B64?
B64 is linked to 1 UMLS Concept Unique Identifier: C0033740. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does B64 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like unspecified protozoal disease 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 B64?
B64 maps to the ICD-11 code: 1F5Z (Unspecified protozoal disease).
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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.