B46.9
✓ Billable
Zygomycosis, unspecified
ICD-10-CM · FY2026 · Certain Infectious and Parasitic Diseases
Code
B46.9
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Certain Infectious and Parasitic Diseases
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code B46.9?
ICD-10-CM code B46.9 represents Zygomycosis, unspecified. It is a billable diagnosis code in the Certain Infectious and Parasitic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is B46.9 billable?
Yes. B46.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is B46.9 in?
B46.9 belongs to the Certain Infectious and Parasitic Diseases chapter (A00–B99) of ICD-10-CM.
Related codes in the B46 category
B46
Zygomycosis
Non-billable
B46.0
Pulmonary mucormycosis
Billable
B46.1
Rhinocerebral mucormycosis
Billable
B46.2
Gastrointestinal mucormycosis
Billable
B46.3
Cutaneous mucormycosis
Billable
B46.4
Disseminated mucormycosis
Billable
B46.5
Mucormycosis, unspecified
Billable
B46.8
Other zygomycoses
Billable
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