| Use Additional |
| code(s) to specify: |
| manifestations of poisoning |
| underdosing or failure in dosage during medical and surgical care (Y63.6, Y63.8-Y63.9) |
| underdosing of medication regimen (Z91.12-, Z91.13-) |
| Includes |
| adverse effect of correct substance properly administered |
| poisoning by overdose of substance |
| poisoning by wrong substance given or taken in error |
| underdosing by (inadvertently) (deliberately) taking less substance than prescribed or instructed |
| Type 1 Excludes |
| toxic reaction to local anesthesia in pregnancy (O29.3-) |
| Type 2 Excludes |
| abuse and dependence of psychoactive substances (F10-F19) |
| abuse of non-dependence-producing substances (F55.-) |
| immunodeficiency due to drugs (D84.821) |
| drug reaction and poisoning affecting newborn (P00-P96) |
| pathological drug intoxication (inebriation) (F10-F19) |
| Note |
| The drug giving rise to the adverse effect should be identified by use of codes from categories T36-T50 with fifth or sixth character 5. |
| T36 |
| Poisoning by, adverse effect of and underdosing of systemic antibiotics |
| T37 |
| Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics |
| T38 |
| Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified |
| T39 |
| Poisoning by, adverse effect of and underdosing of nonopioid analgesics, antipyretics and antirheumatics |
| T40 |
| Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens] |
| T41 |
| Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases |
| T42 |
| Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs |
| T43 |
| Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified |
| T44 |
| Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system |
| T45 |
| Poisoning by, adverse effect of and underdosing of primarily systemic and hematological agents, not elsewhere classified |
| T46 |
| Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system |
| T47 |
| Poisoning by, adverse effect of and underdosing of agents primarily affecting the gastrointestinal system |
| T48 |
| Poisoning by, adverse effect of and underdosing of agents primarily acting on smooth and skeletal muscles and the respiratory system |
| T49 |
| Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs |
| T50 |
| Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances |