2007 ICD-9-CM Procedure 94.22 Lithium therapy 94.22 is a specific code that can be used to specify a procedure 94.22 contains 3 index entries View the full Volume 3 94.* hierarchy Index entries containing 94.22: Chemotherapy - see also Immunotherapy ithium 94.22 Therapy lithium 94.22 psychiatric NEC 94.39 drug NEC 94.25 lithium 94.22