B58
⚠ Non-billable
Toxoplasmosis
ICD-10-CM · FY2026 · Certain Infectious and Parasitic Diseases
Code
B58
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Certain Infectious and Parasitic Diseases
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code B58?
ICD-10-CM code B58 represents Toxoplasmosis. It is a non-billable header code requiring a more specific subcategory in the Certain Infectious and Parasitic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is B58 billable?
No. B58 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is B58 in?
B58 belongs to the Certain Infectious and Parasitic Diseases chapter (A00–B99) of ICD-10-CM.
Related codes in the B58 category
B58.0
Toxoplasma oculopathy
Non-billable
B58.1
Toxoplasma hepatitis
Billable
B58.2
Toxoplasma meningoencephalitis
Billable
B58.3
Pulmonary toxoplasmosis
Billable
B58.8
Toxoplasmosis with other organ involvement
Non-billable
B58.9
Toxoplasmosis, unspecified
Billable
B58.00
Toxoplasma oculopathy, unspecified
Billable
B58.01
Toxoplasma chorioretinitis
Billable
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