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2026
ICD-10-CM
Section
ICD-10-CM
Section
T36-T50 Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances
- Non-billable
- 2016–2026
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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.
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
For adverse effects, the nature of the adverse effect, such as:
Adverse effect NOS (T88.7)
Aspirin gastritis (K29.-)
Blood disorders (D56-D76)
Contact dermatitis (L23-L25)
Dermatitis due to substances taken internally (L27.-)
Nephropathy (N14.0-N14.2)
Code(s) to specify:
Manifestations of poisoning
Underdosing or failure in dosage during medical and surgical care (Y63.6, Y63.8-Y63.9)
Toxic reaction to local anesthesia in pregnancy (O29.3-)
Poisoning by, adverse effect of and underdosing of systemic antibiotics
Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics
Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified
Poisoning by, adverse effect of and underdosing of nonopioid analgesics, antipyretics and antirheumatics
Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]
Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases
Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs
Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified
Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system
Poisoning by, adverse effect of and underdosing of primarily systemic and hematological agents, not elsewhere classified
Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system
Poisoning by, adverse effect of and underdosing of agents primarily affecting the gastrointestinal system
Poisoning by, adverse effect of and underdosing of agents primarily acting on smooth and skeletal muscles and the respiratory system
Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs
Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances
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