DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

B58 Toxoplasmosis

  • Header · not billable

B58 is not billable. The category heads 11 billable codes in FY2027, grouped under 6 subdivisions.

Index → code

  • Toxoplasma, toxoplasmosis (acquired) → B58.9
  • Uveitis (anterior)due to toxoplasmosis (acquired) → B58.09
  • Lymphadenopathy (generalized)due to toxoplasmosis (acquired) → B58.89

Where it sits

  1. Chapter 1 Certain infectious and parasitic diseases (A00-B99)
  2. B50-B64 Protozoal diseases (B50-B64)
  3. B58 Toxoplasmosis
Billable codes
11
Subdivisions
6
CC / MCC codes
8 / 3
HCC V28 codes
2
New FY2027
0
Index entries
19

Codes in B58

  1. B58.0
    Toxoplasma oculopathy
    Header
  2. B58.00
    Toxoplasma oculopathy, unspecified
    BillableCC
  3. B58.01
    Toxoplasma chorioretinitis
    BillableCC
  4. B58.09
    Other toxoplasma oculopathy
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Toxoplasma uveitis
  5. B58.1
    Toxoplasma hepatitis
    BillableCC
  6. B58.2
    Toxoplasma meningoencephalitis
    BillableMCC6
  7. B58.3
    Pulmonary toxoplasmosis
    BillableMCC6
  8. B58.8
    Toxoplasmosis with other organ involvement
    Header
  9. B58.81
    Toxoplasma myocarditis
    BillableMCC
  10. B58.82
    Toxoplasma myositis
    BillableCC
  11. B58.83
    Toxoplasma tubulo-interstitial nephropathy
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Toxoplasma pyelonephritis
  12. B58.89
    Toxoplasmosis with other organ involvement
    BillableCC
  13. B58.9
    Toxoplasmosis, unspecified
    BillableCC

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At B58

Includes

  • infection due to Toxoplasma gondii

Excludes1

  • congenital toxoplasmosis (P37.1) P37.1

Notes that also apply

Block B50-B64 instructions (Excludes1 2): printed on the block page.

Chapter 1 instructions (Includes 1, Excludes2 5, Use additional code 1): printed on the chapter 1 page.

Index entries

  • Toxoplasma, toxoplasmosis (acquired) → B58.9
  • Uveitis (anterior)due to toxoplasmosis (acquired) → B58.09
  • Lymphadenopathy (generalized)due to toxoplasmosis (acquired) → B58.89
  • Toxoplasma, toxoplasmosis (acquired)withocular involvement → B58.00
  • Chorioretinitisin (due to)toxoplasmosis (acquired) → B58.01
  • Hepatitisin (due to)toxoplasmosis (acquired) → B58.1
  • Toxoplasma, toxoplasmosis (acquired)withhepatitis → B58.1
  • Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute)in (due to)toxoplasmosis (acquired) → B58.2
  • Meningoencephalitisin (due to)toxoplasmosis (acquired) → B58.2
  • Meningoencephalomyelitisdue toToxoplasma or toxoplasmosis (acquired) → B58.2
  • Toxoplasma, toxoplasmosis (acquired)withmeningoencephalitis → B58.2
  • Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved)in (due to)toxoplasmosis → B58.3
  • Pneumonitis (acute) (primary)due totoxoplasmosis (acquired) → B58.3
  • Toxoplasma, toxoplasmosis (acquired)withpneumonia, pneumonitis → B58.3
  • Myocarditis (with arteriosclerosis)(chronic)(fibroid) (interstitial) (old) (progressive) (senile)in (due to)toxoplasmosis (acquired) → B58.81
  • Myositisin (due to)toxoplasmosis (acquired) → B58.82
  • Disorder (of)tubulo-interstitial (in)toxoplasmosis → B58.83
  • Pyelonephritisin (due to)toxoplasmosis → B58.83
  • Toxoplasma, toxoplasmosis (acquired)withother organ involvement → B58.89

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy