B58.9

ICD-10Billable

Toxoplasmosis, unspecified

Official ICD-10-CM descriptor (FY2026)

Toxoplasmosis, unspecified

B58.9 is valid for submission on a claim — CMS flags it as a billable, specific code.

Related codes in B58

B58.0Toxoplasma oculopathycategory
B58.1Toxoplasma hepatitis
B58.2Toxoplasma meningoencephalitis
B58.3Pulmonary toxoplasmosis
B58.8Toxoplasmosis with other organ involvementcategory

Where this code sits

Chapter: 1. Certain infectious and parasitic diseases (A00-B99)
Block: Protozoal diseases (B50-B64)
Parent code: B58

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Source

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.