B58.82 Toxoplasma myositis

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) 791 in MDC 15.

Approximate ICD-9-CM (GEMs)

• 130.7 Toxoplasmosis of other specified sites (approximate)

Code annotations containing back-references to B58.82

Back-references to B58.82

• Type 1 Excludes: M63 Disorders of muscle in diseases classified elsewhere ("myopathy in toxoplasmosis (B58.82)")

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 B58.82

• Myositis › in (due to) › toxoplasmosis (acquired)

Nearby codes

• B58.1 Toxoplasma hepatitis
• B58.2 Toxoplasma meningoencephalitis
• B58.3 Pulmonary toxoplasmosis
• B58.8 Toxoplasmosis with other organ involvement
• B58.81 Toxoplasma myocarditis
• B58.82 Toxoplasma myositis (this code)
• B58.83 Toxoplasma tubulo-interstitial nephropathy
• B58.89 Toxoplasmosis with other organ involvement
• B58.9 Toxoplasmosis, unspecified