T43.016
Billable codeUnderdosing of tricyclic antidepressants
The ICD-10 code for underdosing of tricyclic antidepressants is T43.016.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- T43.011Poisoning by tricyclic antidepressants, accidental (unintentional)
- T43.012Poisoning by tricyclic antidepressants, intentional self-harm
- T43.013Poisoning by tricyclic antidepressants, assault
- T43.014Poisoning by tricyclic antidepressants, undetermined
- T43.015Adverse effect of tricyclic antidepressants
- T43.016Underdosing of tricyclic antidepressants