ICD-10-CM Diagnosis Code B02.21
Diagnosis Code: B02.21 (Raw: B0221)
Description: Postherpetic geniculate ganglionitis
Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)
Fiscal Year: 2026
CMS Section 111 Status: Valid for reporting.
Overview & Clinical Details
ICD-10-CM code B02.21 is designated for Postherpetic geniculate ganglionitis. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.