DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

B44 Aspergillosis

  • Header · not billable

B44 is not billable. The category heads 7 billable codes in FY2027, grouped under 6 subdivisions.

Index → code

  • Bronchoaspergillosis → B44.1
  • Aspergillosis (with pneumonia) → B44.9
  • Aspergillosis (with pneumonia)tonsillar → B44.2

Where it sits

  1. Chapter 1 Certain infectious and parasitic diseases (A00-B99)
  2. B35-B49 Mycoses (B35-B49)
  3. B44 Aspergillosis
Billable codes
7
Subdivisions
6
CC / MCC codes
6 / 1
HCC V28 codes
7
New FY2027
0
Index entries
17

Codes in B44

  1. B44.0
    Invasive pulmonary aspergillosis
    BillableMCC6
  2. B44.1
    Other pulmonary aspergillosis
    BillableCC6
  3. B44.2
    Tonsillar aspergillosis
    BillableCC6
  4. B44.7
    Disseminated aspergillosis
    BillableCC6
    Inclusion terms 1

    Inclusion terms

    • Generalized aspergillosis
  5. B44.8
    Other forms of aspergillosis
    Header
  6. B44.81
    Allergic bronchopulmonary aspergillosis
    BillableCC280
  7. B44.89
    Other forms of aspergillosis
    BillableCC6
  8. B44.9
    Aspergillosis, 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

At B44

Code also

  • , if applicable:
  • aspergilloma of other site - code to chronic infection of site
  • pulmonary aspergilloma (J4B) J4B
  • pulmonary aspergillosis fungal ball (J4B) J4B
  • pulmonary mycetoma (J4B) J4B
  • sinus aspergilloma (J32.-) J32

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

  • Bronchoaspergillosis → B44.1
  • Aspergillosis (with pneumonia) → B44.9
  • Aspergillosis (with pneumonia)pulmonary NEC → B44.1
  • Aspergillosis (with pneumonia)tonsillar → B44.2
  • Aspergillosis (with pneumonia)disseminated → B44.7
  • Aspergillosis (with pneumonia)generalized → B44.7
  • Aspergillosis (with pneumonia)bronchopulmonary, allergic → B44.81
  • Aspergillosis (with pneumonia)specified NEC → B44.89
  • Aspergillosis (with pneumonia)pulmonary NECinvasive → B44.0
  • Aspergillosis (with pneumonia)pulmonary NECallergic → B44.81
  • Otomycosis (diffuse) NECinaspergillosis → B44.89
  • Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved)in (due to)aspergillosis → B44.9
  • Eartropical NECinaspergillosis → B44.89
  • Mycosis, mycoticearinaspergillosis → B44.89
  • Otitis (acute)externain (due to)aspergillosis → B44.89
  • Otitis (acute)externamycotic NECinaspergillosis → B44.89
  • Otitis (acute)externatropical NECinaspergillosis → B44.89

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

Hierarchy