B02.21Billable
Postherpetic geniculate ganglionitis
- Chapter
- 1. Certain infectious and parasitic diseases
- Category
- B02
- Effective date
- October 1, 2026
Related codes in category B02
B02Zoster [herpes zoster]B02.0Zoster encephalitisYesB02.1Zoster meningitisYesB02.2Zoster with other nervous system involvementB02.22Postherpetic trigeminal neuralgiaYesB02.23Postherpetic polyneuropathyYesB02.24Postherpetic myelitisYesB02.29Other postherpetic nervous system involvementYesB02.3Zoster ocular diseaseB02.30Zoster ocular disease, unspecifiedYesB02.31Zoster conjunctivitisYesB02.32Zoster iridocyclitisYes
Frequently asked questions
What is ICD-10 code B02.21?
B02.21 is an ICD-10-CM diagnosis code for Postherpetic geniculate ganglionitis.
Is B02.21 a billable code?
Yes. B02.21 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is B02.21 in?
B02.21 falls under Chapter 1: Certain infectious and parasitic diseases.
When did B02.21 become effective?
B02.21 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to B02.21?
B02.21 belongs to category B02, which includes 12 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.