ICD-9 codes vary from state to state.
You may be able to find ICD-9 codes for your state at the following website: www.icd9cm.chrisendres.com.
The following are some commonly used ICD-9 codes.
V58.69: Long-term (current) use of other medications
V71.09: Observation of other suspected mental condition
304.00: Opioid-type dependency (unspecified use)
304.90: Unspecified drug dependence
V72.62: Laboratory examination ordered as part of a routine general medical examination