ICD-9 Code 818.0 - Ill-defined closed fractures of upper limb

ICD-9-CM Diagnosis Code 818.0

Diagnosis Code: 818.0 (Raw: 8180)

Description: Ill-defined closed fractures of upper limb

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 818.0 is designated for Ill-defined closed fractures of upper limb. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical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.