Underdosing of unspecified antidepressants, subs encntr

This code indicates that a patient is experiencing an adverse effect or complication due to receiving an insufficient amount of an unspecified antidepressant medication. This underdosing is impacting the patient's current treatment or condition, and the encounter is for follow-up care after the initial problem was identified.

Use this code when documenting a patient's follow-up visit where the primary issue is the ongoing impact of an inadequate dosage of an antidepressant, and the specific type of antidepressant is not documented. This could include scenarios where the patient is not responding to treatment due to low dosage, or experiencing a return of symptoms because the prescribed amount was insufficient.

• Requires a seventh character "D" for subsequent encounter, indicating ongoing care for the underdosing.
• Always strive for a more specific code if the type of antidepressant is known (e.g., T43.0X6D for tricyclic antidepressants).
• Code any associated mental health conditions or symptoms as primary diagnoses, with this code as a secondary diagnosis explaining a contributing factor to the patient's current state.