B58

Non-billable

Toxoplasmosis

B58 is the ICD-10-CM code for Toxoplasmosis. It is a non-billable category code — use a more specific child code such as B58.0 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Subcodes
6
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

What this means — in plain language

MedlinePlus · NIH

Toxoplasmosis is a disease caused by the parasite Toxoplasma gondii. More than 60 million people in the U.S. have the parasite. Most of them don't get sick. But the parasite causes serious problems for some people. These include people with weak immune systems and babies whose mothers become infected for the first time during pregnancy. Problems can include damage to the brain, eyes, and other organs. You can get…

Read more about Toxoplasmosis at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • infection due to Toxoplasma gondii

Excludes1 — not coded here

  • congenital toxoplasmosis (P37.1)

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code B58?
B58 is the ICD-10-CM code for "Toxoplasmosis". It falls under A00-B99 Certain infectious and parasitic diseases.
Is B58 a billable code?
No — B58 is a non-billable header code. Use a more specific child code (such as B58.0) for billing.
What are the subcodes of B58?
B58 has 6 more specific child codes, including B58.0, B58.1, B58.2.
What is excluded from B58?
Excludes1 (not coded here): congenital toxoplasmosis (P37.1).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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