B58.8 – Toxoplasmosis with other organ involvement

ICD-10-CM 2027 diagnosis code · Protozoal diseases

Non-billable header

ICD-10-CM code B58.8

Code: B58.8 (claims format: B588)
Description: Toxoplasmosis with other organ involvement
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 1. Certain infectious and parasitic diseases (A00-B99)
Block: B50-B64 Protozoal diseases
Parent codes: B58

Billable codes under B58.8

B58.8 is a header code and cannot be used on claims. Choose the most specific code:

B58.81 – Toxoplasma myocarditisBillable
B58.82 – Toxoplasma myositisBillable
B58.83 – Toxoplasma tubulo-interstitial nephropathyBillable
B58.89 – Toxoplasmosis with other organ involvementBillable

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

B58 – Toxoplasmosis

Includes:

infection due to Toxoplasma gondii

Excludes1 (not coded here):

congenital toxoplasmosis (P37.1)

Block B50-B64

Excludes1 (not coded here):

amebiasis (A06.-)
other protozoal intestinal diseases (A07.-)

Related codes in B58

B58.0 – Toxoplasma oculopathyHeader
B58.1 – Toxoplasma hepatitisBillable
B58.2 – Toxoplasma meningoencephalitisBillable
B58.3 – Pulmonary toxoplasmosisBillable
B58.9 – Toxoplasmosis, unspecifiedBillable

Frequently asked questions

What is ICD-10 code B58.8?

B58.8 is the ICD-10-CM code for toxoplasmosis with other organ involvement, in the block B50-B64 (Protozoal diseases).

Is B58.8 a billable code?

No. B58.8 is a header code with more specific child codes; report one of the billable codes listed above.

What category does B58.8 belong to?

It belongs to category B58 – Toxoplasmosis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.