ICD-10-CM Diagnosis Code R79.81
Diagnosis Code: R79.81 (Raw: R7981)
Description: Abnormal blood-gas level
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 R79.81 is designated for Abnormal blood-gas level. 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.