ICD-10 Code B58.8 – Toxoplasmosis with other organ involvement (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code B58.8 – Toxoplasmosis with other organ involvement
What it is
B58.8 identifies toxoplasmosis affecting an organ or site not classified elsewhere. It is used when Toxoplasma infection involves a specific organ beyond the usual listed categories.
Clinical signs
Clinical features vary; refer to documentation. Findings depend on the organ involved and may include focal symptoms, inflammation, or abnormal imaging consistent with toxoplasma infection.
When to use this code
Use B58.8 when the provider documents toxoplasmosis with involvement of another specified organ or site and no more specific ICD-10-CM code applies. This code supports cases where the infection is confirmed or strongly documented in an atypical location. Check the note for the exact organ involved before assigning the code.
Do not use for
Do not use this code for congenital toxoplasmosis, toxoplasmic meningoencephalitis, or toxoplasmosis with ocular involvement when a more specific code is documented. Check documentation if the site is not clearly stated.
Coding tip
Code the specific organ involvement only when the record clearly links it to toxoplasmosis.