ICD-10-CM > Z00-Z99 > Z55-Z65 > Z58 Z58 Problems related to physical environment Non-Billable/Non-Specific Type 2 Excludes occupational exposure (Z57.-) Codes Z58.6Inadequate drinking-water supplyZ58.8Other problems related to physical environmentZ58.81Basic services unavailable in physical environmentZ58.89Other problems related to physical environment