B46.3 – Cutaneous mucormycosis
ICD-10-CM 2027 diagnosis code · Mycoses
ICD-10-CM code
B46.3
- Code
B46.3(claims format:B463)- Description
- Cutaneous mucormycosis
- 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
- B46
Notes for B46.3
Applicable to:
- Subcutaneous mucormycosis
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block B35-B49
Index terms for B46.3
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in B46
- B46.0 – Pulmonary mucormycosisBillable
- B46.1 – Rhinocerebral mucormycosisBillable
- B46.2 – Gastrointestinal mucormycosisBillable
- B46.4 – Disseminated mucormycosisBillable
- B46.5 – Mucormycosis, unspecifiedBillable
- B46.8 – Other zygomycosesBillable
- B46.9 – Zygomycosis, unspecifiedBillable
Frequently asked questions
What is ICD-10 code B46.3?
B46.3 is the ICD-10-CM code for cutaneous mucormycosis, in the block B35-B49 (Mycoses).
Is B46.3 a billable code?
Yes. B46.3 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does B46.3 belong to?
It belongs to category B46 – Zygomycosis.
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.