ICD-10 Code R91.8 - Other nonspecific abnormal finding of lung field

ICD-10-CM Diagnosis Code R91.8

Diagnosis Code: R91.8 (Raw: R918)

Description: Other nonspecific abnormal finding of lung field

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 R91.8 is designated for Other nonspecific abnormal finding of lung field. 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.