B89
ICD-10BillableUnspecified parasitic disease
Official ICD-10-CM descriptor (FY2026)
Unspecified parasitic disease
B89 is valid for submission on a claim — CMS flags it as a billable, specific code.
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.