ICD-10-CM Code B64

Valid for Submission

B64 is a billable code used to specify a medical diagnosis of unspecified protozoal disease. The code is valid for the fiscal year 2021 for the submission of HIPAA-covered transactions. The ICD-10-CM code B64 might also be used to specify conditions or terms like dilated cardiomyopathy secondary to infection, dilated cardiomyopathy secondary to protozoal myocarditis, encephalitis due to protozoa, infective esophagitis, infective ulcer of esophagus, parasitic disease in mother complicating pregnancy, childbirth and/or puerperium, etc

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code B64 are found in the index:

• - Disease, diseased - See Also: Syndrome;
  • - protozoal - B64

• - Infection, infected, infective (opportunistic) - B99.9
  • - protozoal NEC - B64

• - Infestation - B88.9
  • - protozoal NEC - B64

• - Protozoal - See Also: condition;
  • - disease - B64

Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

• Dilated cardiomyopathy secondary to infection
• Dilated cardiomyopathy secondary to protozoal myocarditis
• Encephalitis due to protozoa
• Infective esophagitis
• Infective ulcer of esophagus
• Parasitic disease in mother complicating pregnancy, childbirth AND/OR puerperium
• Parasitic infection causing ulcer of esophagus
• Parasitic myositis
• Protozoal corneal ulcer
• Protozoal disease complicating pregnancy childbirth and the puerperium
• Protozoal esophagitis
• Protozoal infestation of skin
• Protozoal myelitis
• Protozoal myositis
• Protozoal ulcer of esophagus
• Protozoan infection
• Protozoan myocarditis

Diagnostic Related Groups

The ICD-10 code B64 is grouped in the following groups for version MS-DRG V38.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC). applicable from 10/01/2020 through 09/30/2021.

• 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 B64 to ICD-9

• 088.9 - Arthropod-borne dis NOS (Approximate Flag)
• 136.9 - Infect/parasite dis NOS (Approximate Flag)

Code Classification

• Certain infectious and parasitic diseases (A00–B99)
  • Protozoal diseases (B50-B64)
    • Unspecified protozoal disease (B64)

Code History

• FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
  (First year ICD-10-CM implemented into the HIPAA code set)
• FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
• FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
• FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
• FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
• FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021

Tools

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• Convert B64 to ICD-9