Convert to ICD-10-CM: 
903.1 converts approximately to:
- 2015/16 ICD-10-CM S45.109A Unspecified injury of brachial artery, unspecified side, initial encounter
Or:
 - 2015/16 ICD-10-CM S45.209A Unspecified injury of axillary or brachial vein, unspecified side, initial encounter
 
 ICD-9-CM Volume 2 Index entries containing back-references to 
903.1: