B44.9 – Aspergillosis, unspecified

ICD-10-CM 2027 diagnosis code · Mycoses

Billable code

ICD-10-CM code B44.9
Code
B44.9 (claims format: B449)
Description
Aspergillosis, unspecified
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
1. Certain infectious and parasitic diseases (A00-B99)
Block
B35-B49 Mycoses
Parent codes
B44

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

B44 – Aspergillosis

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

Block B35-B49

Excludes2 (not included here):
  • hypersensitivity pneumonitis due to organic dust (J67.-)
  • mycosis fungoides (C84.0-)

Index terms for B44.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in B44

Frequently asked questions

What is ICD-10 code B44.9?

B44.9 is the ICD-10-CM code for aspergillosis, unspecified, in the block B35-B49 (Mycoses).

Is B44.9 a billable code?

Yes. B44.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does B44.9 belong to?

It belongs to category B44 – Aspergillosis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.