B58 Toxoplasmosis

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Toxoplasmosis is B58 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
B50-B64: Protozoal diseases (B50-B64)
Category B58
14 codes (11 billable)
FY2026 Status
Stable since FY2024
Includes
  • infection due to Toxoplasma gondii
Excludes1
Not coded here. These conditions should NOT be coded together with B58.
  • congenital toxoplasmosis (P37.1)

Official Coding Guidelines

HIV Infections (TOC entry)

a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.1.a
Infectious agents causing diseases in other chapters (TOC)

b. Infectious agents as the cause of diseases classified to other chapters ................................. 22

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.1.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference B58 with the canonical source and edition:

B58 — Toxoplasmosis. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/B58

Canonical URL: https://icd10codingpro.com/codes/B58

Related Codes

More Specific Codes

B58.0 Toxoplasma oculopathy B58.1 Toxoplasma hepatitis B58.2 Toxoplasma meningoencephalitis B58.3 Pulmonary toxoplasmosis B58.8 Toxoplasmosis with other organ involvement B58.9 Toxoplasmosis, unspecified

All Codes in B58

Every most-specific code under B58 Toxoplasmosis (11 codes):

Show the complete B58 code list
B58.00 Toxoplasma oculopathy, unspecified B58.01 Toxoplasma chorioretinitis B58.09 Other toxoplasma oculopathy B58.1 Toxoplasma hepatitis B58.2 Toxoplasma meningoencephalitis B58.3 Pulmonary toxoplasmosis B58.81 Toxoplasma myocarditis B58.82 Toxoplasma myositis B58.83 Toxoplasma tubulo-interstitial nephropathy B58.89 Toxoplasmosis with other organ involvement B58.9 Toxoplasmosis, unspecified
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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