B58.9 Toxoplasmosis, unspecified

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from B58 Toxoplasmosis

Includes

• infection due to Toxoplasma gondii

Excludes1 (never code together)

• congenital toxoplasmosis (P37.1)

MS-DRG index

Defines the logic of DRG(s) 867-869 in MDC 18.

Approximate ICD-9-CM (GEMs)

• 130.9 Toxoplasmosis, unspecified

Code annotations containing back-references to B58.9

Back-references to B58

• Type 2 Excludes: J82 Pulmonary eosinophilia, not elsewhere classified ("pulmonary eosinophilia due to specified parasitic infection (B50-B83)")

Diagnosis Index entries for B58.9

• Toxoplasma, toxoplasmosis (acquired)

Nearby codes

• B58.8 Toxoplasmosis with other organ involvement
• B58.81 Toxoplasma myocarditis
• B58.82 Toxoplasma myositis
• B58.83 Toxoplasma tubulo-interstitial nephropathy
• B58.89 Toxoplasmosis with other organ involvement
• B58.9 Toxoplasmosis, unspecified (this code)