B49Billable
Unspecified mycosis
- Chapter
- 1. Certain infectious and parasitic diseases
- Category
- B49
- Effective date
- October 1, 2026
Frequently asked questions
What is ICD-10 code B49?
B49 is an ICD-10-CM diagnosis code for Unspecified mycosis.
Is B49 a billable code?
Yes. B49 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is B49 in?
B49 falls under Chapter 1: Certain infectious and parasitic diseases.
When did B49 become effective?
B49 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.