T42 Non-Billable Code
Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs
Chapter Classification
Chapter 19
Injury, poisoning and certain other consequences of external causes (S00-T88)
Section Detail
T36-T50
Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
Coding Guidelines & Notes
excludes2
- drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.--F19.-)
sevenChrDef
- {'char': 'A', 'text': 'initial encounter'}
- {'char': 'D', 'text': 'subsequent encounter'}
- {'char': 'S', 'text': 'sequela'}
sevenChrNote
- The appropriate 7th character is to be added to each code from category T42
More Specific Diagnosis Codes
This code is not billable as it requires a higher level of specificity. Select a more specific code below.
- T42.0 - Poisoning by, adverse effect of and underdosing of hydantoin derivatives
- T42.1 - Poisoning by, adverse effect of and underdosing of iminostilbenes
- T42.2 - Poisoning by, adverse effect of and underdosing of succinimides and oxazolidinediones
- T42.3 - Poisoning by, adverse effect of and underdosing of barbiturates
- T42.4 - Poisoning by, adverse effect of and underdosing of benzodiazepines
- T42.5 - Poisoning by, adverse effect of and underdosing of mixed antiepileptics
- T42.6 - Poisoning by, adverse effect of and underdosing of other antiepileptic and sedative-hypnotic drugs
- T42.7 - Poisoning by, adverse effect of and underdosing of unspecified antiepileptic and sedative-hypnotic drugs
- T42.8 - Poisoning by, adverse effect of and underdosing of antiparkinsonism drugs and other central muscle-tone depressants
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