DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

B45 Cryptococcosis

  • Header · not billable

B45 is not billable. The category heads 7 billable codes in FY2027: the 7 codes directly below it.

Index → code

  • Cryptococcosis, cryptococcus (infection) (neoformans) → B45.9
  • Meningomyelitiscryptococcal → B45.1
  • Cryptococcosis, cryptococcus (infection) (neoformans)bone → B45.3

Where it sits

  1. Chapter 1 Certain infectious and parasitic diseases (A00-B99)
  2. B35-B49 Mycoses (B35-B49)
  3. B45 Cryptococcosis
Billable codes
7
Subdivisions
7
CC / MCC codes
6 / 1
HCC V28 codes
7
New FY2027
0
Index entries
17

Codes in B45

  1. B45.0
    Pulmonary cryptococcosis
    BillableCC6
  2. B45.1
    Cerebral cryptococcosis
    BillableMCC6
    Inclusion terms 2

    Inclusion terms

    • Cryptococcal meningitis
    • Cryptococcosis meningocerebralis
  3. B45.2
    Cutaneous cryptococcosis
    BillableCC6
  4. B45.3
    Osseous cryptococcosis
    BillableCC6
  5. B45.7
    Disseminated cryptococcosis
    BillableCC6
    Inclusion terms 1

    Inclusion terms

    • Generalized cryptococcosis
  6. B45.8
    Other forms of cryptococcosis
    BillableCC6
  7. B45.9
    Cryptococcosis, unspecified
    BillableCC6

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

Notes that also apply

Block B35-B49 instructions (Excludes2 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

  • Cryptococcosis, cryptococcus (infection) (neoformans) → B45.9
  • Cryptococcosis, cryptococcus (infection) (neoformans)pulmonary → B45.0
  • Cryptococcosis, cryptococcus (infection) (neoformans)cerebral → B45.1
  • Cryptococcosis, cryptococcus (infection) (neoformans)meningitis → B45.1
  • Cryptococcosis, cryptococcus (infection) (neoformans)meningocerebralis → B45.1
  • Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute)Torula, torular (cryptococcal) → B45.1
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)cryptococcal → B45.1
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)Torula histolytica (cryptococcal) → B45.1
  • Meningomyelitiscryptococcal → B45.1
  • Cryptococcosis, cryptococcus (infection) (neoformans)cutaneous → B45.2
  • Cryptococcosis, cryptococcus (infection) (neoformans)skin → B45.2
  • Cryptococcosis, cryptococcus (infection) (neoformans)bone → B45.3
  • Cryptococcosis, cryptococcus (infection) (neoformans)osseous → B45.3
  • Cryptococcosis, cryptococcus (infection) (neoformans)disseminated → B45.7
  • Cryptococcosis, cryptococcus (infection) (neoformans)generalized → B45.7
  • Cryptococcosis, cryptococcus (infection) (neoformans)specified NEC → B45.8
  • Meningoencephalomyelitisdue toTorula → B45.1

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

Hierarchy