2007 ICD-9-CM Procedure 89.10 Intracarotid amobarbital test 89.10 is a specific code that can be used to specify a procedure 89.10 contains 3 index entries View the full Volume 3 89.* hierarchy 89.10 also known as: Wada test Index entries containing 89.10: Test, testing (for) intracarotid amobarbital (Wada) 89.10 Wada (hemispheric function) 89.10 Wada test (hemispheric function) 89.10