ICD-10 Code J34.1 - Cyst and mucocele of nose and nasal sinus

ICD-10-CM Diagnosis Code J34.1

Diagnosis Code: J34.1 (Raw: J341)

Description: Cyst and mucocele of nose and nasal sinus

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 J34.1 is designated for Cyst and mucocele of nose and nasal sinus. 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.