ICD-10-CM Codes 2026 (USA)

• T36.0X2D	Poisoning by penicillins, intentional self-harm, subsequent encounter

• T36.0X1A	Poisoning by penicillins, accidental (unintentional), initial encounter
  T36.0X1D	Poisoning by penicillins, accidental (unintentional), subsequent encounter
  T36.0X1S	Poisoning by penicillins, accidental (unintentional), sequela
  T36.0X2A	Poisoning by penicillins, intentional self-harm, initial encounter
  T36.0X2D	Poisoning by penicillins, intentional self-harm, subsequent encounter
  T36.0X2S	Poisoning by penicillins, intentional self-harm, sequela
  T36.0X3A	Poisoning by penicillins, assault, initial encounter
  T36.0X3D	Poisoning by penicillins, assault, subsequent encounter
  T36.0X3S	Poisoning by penicillins, assault, sequela
  T36.0X4A	Poisoning by penicillins, undetermined, initial encounter
  T36.0X4D	Poisoning by penicillins, undetermined, subsequent encounter
  T36.0X4S	Poisoning by penicillins, undetermined, sequela
  T36.0X5A	Adverse effect of penicillins, initial encounter
  T36.0X5D	Adverse effect of penicillins, subsequent encounter
  T36.0X5S	Adverse effect of penicillins, sequela
  T36.0X6A	Underdosing of penicillins, initial encounter
  T36.0X6D	Underdosing of penicillins, subsequent encounter
  T36.0X6S	Underdosing of penicillins, sequela
  T36.1X1A	Poisoning by cephalosporins and other beta-lactam antibiotics, accidental (unintentional), initial encounter
  T36.1X1D	Poisoning by cephalosporins and other beta-lactam antibiotics, accidental (unintentional), subsequent encounter

Created by Peter Blahut, MD