ICD-10-CM B64 is the diagnosis code for Unspecified protozoal disease. This code falls under the section "Protozoal diseases" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where B64 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, B64 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
B64 is the ICD-10-CM diagnosis code for "Unspecified protozoal disease". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
B64 is located in Section B50-B64 — "Protozoal diseases" within Chapter 1 of the ICD-10-CM Tabular List.
Use B64 when the patients documented diagnosis matches "Unspecified protozoal disease" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Unspecified protozoal disease is B64.
Yes, B64 can be used as a primary diagnosis code since it is billable and specific.
B64 is in Chapter 1 of the ICD-10-CM Tabular List.
Yes, B64 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.