B44

Non-billable

Aspergillosis

B44 is the ICD-10-CM code for Aspergillosis. It is a non-billable category code — use a more specific child code such as B44.0 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Subcodes
6
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

Includes

  • aspergilloma

Frequently asked questions

What is ICD-10 code B44?
B44 is the ICD-10-CM code for "Aspergillosis". It falls under A00-B99 Certain infectious and parasitic diseases.
Is B44 a billable code?
No — B44 is a non-billable header code. Use a more specific child code (such as B44.0) for billing.
What are the subcodes of B44?
B44 has 6 more specific child codes, including B44.0, B44.1, B44.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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