Convert to ICD-10-CM: 
903.9 converts approximately to:
- 2015/16 ICD-10-CM S45.909A Unspecified injury of unspecified blood vessel at shoulder and upper arm level, unspecified arm, initial encounterOr: 
- 2015/16 ICD-10-CM S55.909A Unspecified injury of unspecified blood vessel at forearm level, unspecified arm, initial encounterOr: 
- 2015/16 ICD-10-CM S65.909A Unspecified injury of unspecified blood vessel at wrist and hand level of unspecified arm, initial encounter
 ICD-9-CM Volume 2 Index entries containing back-references to 
903.9: