B01.9Billable
Varicella without complication
- Chapter
- 1. Certain infectious and parasitic diseases
- Category
- B01
- Effective date
- October 1, 2026
Related codes in category B01
B01Varicella [chickenpox]B01.0Varicella meningitisYesB01.1Varicella encephalitis, myelitis and encephalomyelitisB01.11Varicella encephalitis and encephalomyelitisYesB01.12Varicella myelitisYesB01.2Varicella pneumoniaYesB01.8Varicella with other complicationsB01.81Varicella keratitisYesB01.89Other varicella complicationsYes
Frequently asked questions
What is ICD-10 code B01.9?
B01.9 is an ICD-10-CM diagnosis code for Varicella without complication.
Is B01.9 a billable code?
Yes. B01.9 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is B01.9 in?
B01.9 falls under Chapter 1: Certain infectious and parasitic diseases.
When did B01.9 become effective?
B01.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to B01.9?
B01.9 belongs to category B01, which includes 9 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.