ICD-9-CM Diagnosis Code 991.2
Diagnosis Code: 991.2 (Raw: 9912)
Description: Frostbite of foot
Classification: International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM)
Fiscal Year: 2026 Reference
CMS Section 111 Status: Valid for reporting.
Overview & Historical Usage
ICD-9-CM code 991.2 is designated for Frostbite of foot. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical clinical data analysis.
