Underdosing of butyrophen/thiothixen neuroleptics, sequela

This code signifies the long-term consequences or complications arising from the inadequate administration or cessation of butyrophenone and thiothixene neuroleptics. It indicates that a patient's current medical condition is a direct result of not receiving enough of these specific antipsychotic medications over time.

Apply this code when documenting a patient presenting with chronic or residual symptoms directly attributable to a past period of underdosing of butyrophenone or thiothixene neuroleptics. This would include conditions like persistent psychotic symptoms, tardive dyskinesia, or other neurological sequelae that developed due to insufficient medication levels.

• Always use a secondary code to identify the specific sequela or adverse effect being treated.
• Ensure documentation clearly links the current condition to the previous underdosing of these particular drug classes.
• This code is for sequelae, not for active underdosing; for active underdosing, refer to the appropriate acute underdosing code.