All ICD10 Codes
J4BBillableMCCNew for FY2027

Pulmonary mycetoma

Diseases of the Respiratory System·Chronic lower respiratory diseases (J40-J4B)·category·FY 2027

Also indexed as: Ball; Mycetoma, pulmonary

Instructional notes

Includes: conditions that are coded here

  • Pulmonary fungal ball

Code also: add a code for this too, order depends on the encounter

  • if known, associated infection, such as:
  • aspergillosis (B44.-)
  • chronic pulmonary coccidioidomycosis (B38.1)
  • pulmonary candidiasis (B37.1)

Also applies, from Chronic lower respiratory diseases (J40-J4B)

These notes sit on J40-J4B and apply to every code under it, including J4B.

Excludes1: not coded here, use a different code

  • bronchitis due to chemicals, gases, fumes and vapors (J68.0)

Excludes2: not included here, code separately if applicable

  • cystic fibrosis (E84.-)

Where J4B sits

MS-DRGs

As the principal diagnosis, this code groups to these MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Codes whose notes mention J4B

If you are coding one of these, its note tells you to add J4B too (Code Also, Use Additional Code), code it first (Code First), or not use it together (Excludes1).

  • B37.1 Code Also: pulmonary mycetoma (J4B)
  • B38.0 Code Also: pulmonary mycetoma (J4B)
  • B38.1 Code Also: pulmonary mycetoma (J4B)
  • B38.2 Code Also: pulmonary mycetoma (J4B)
  • B44 Code Also: pulmonary aspergilloma (J4B)
  • B44 Code Also: pulmonary aspergillosis fungal ball (J4B)
  • B44 Code Also: pulmonary mycetoma (J4B)
  • B47 Excludes2: pulmonary mycetoma (J4B)

Code history