B44.8 – Other forms of aspergillosis

ICD-10-CM 2027 diagnosis code · Mycoses

Non-billable header

ICD-10-CM code B44.8

Code: B44.8 (claims format: B448)
Description: Other forms of aspergillosis
Billable: No – use a more specific code below
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

Billable codes under B44.8

B44.8 is a header code and cannot be used on claims. Choose the most specific code:

B44.81 – Allergic bronchopulmonary aspergillosisBillable
B44.89 – Other forms of aspergillosisBillable

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-)

Related codes in B44

B44.0 – Invasive pulmonary aspergillosisBillable
B44.1 – Other pulmonary aspergillosisBillable
B44.2 – Tonsillar aspergillosisBillable
B44.7 – Disseminated aspergillosisBillable
B44.9 – Aspergillosis, unspecifiedBillable

Frequently asked questions

What is ICD-10 code B44.8?

B44.8 is the ICD-10-CM code for other forms of aspergillosis, in the block B35-B49 (Mycoses).

Is B44.8 a billable code?

No. B44.8 is a header code with more specific child codes; report one of the billable codes listed above.

What category does B44.8 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.