T36.0Header code — not billable
Poisoning by, adverse effect of and underdosing of penicillins
Short description: Penicillins
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- T36
- Effective date
- October 1, 2026
Related codes in category T36
T36Systemic antibioticsT36.0XPenicillinsT36.0X1Poisoning by penicillins, accidental (unintentional)T36.0X1APoisoning by penicillins, accidental (unintentional), initYesT36.0X1DPoisoning by penicillins, accidental (unintentional), subsYesT36.0X1SPoisoning by penicillins, accidental, sequelaYesT36.0X2Poisoning by penicillins, intentional self-harmT36.0X2APoisoning by penicillins, intentional self-harm, init encntrYesT36.0X2DPoisoning by penicillins, intentional self-harm, subs encntrYesT36.0X2SPoisoning by penicillins, intentional self-harm, sequelaYesT36.0X3Poisoning by penicillins, assaultT36.0X3APoisoning by penicillins, assault, initial encounterYes
Frequently asked questions
What is ICD-10 code T36.0?
T36.0 is an ICD-10-CM diagnosis code for Poisoning by, adverse effect of and underdosing of penicillins.
Is T36.0 a billable code?
No. T36.0 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is T36.0 in?
T36.0 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did T36.0 become effective?
T36.0 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to T36.0?
T36.0 belongs to category T36, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.