B58 ICD-10-CM Code: Toxoplasmosis
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
B58Toxoplasmosis
ICD-10-CM diagnosis code · United States clinical modification
Where B58 sits
- 1
Chapter 1
Certain infectious and parasitic diseases (A00-B99)
- 2
Section
Protozoal diseases (B50-B64)
- 3
Category B58
Toxoplasmosis
- 4
Code B58
Toxoplasmosis
Codes under B58
B58 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for B58.
Code first
No “code first” instruction is listed for B58.
Use additional code
No “use additional code” instruction is listed for B58.
Excludes1
Conditions that should not be reported together with this code.
- congenital toxoplasmosis (P37.1)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for B58.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code B58 mean?
B58 is the FY 2027 U.S. ICD-10-CM code for “Toxoplasmosis.”
Is B58 a billable or specific ICD-10-CM code?
No. B58 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is B58 located in ICD-10-CM?
B58 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Protozoal diseases (B50-B64) (B50–B64), under category B58, Toxoplasmosis.
What coding notes are listed for B58?
No inclusion terms are listed for B58 in this reference record. No code-first instruction is listed. Excludes1 notes: congenital toxoplasmosis (P37.1). No Excludes2 note is listed.