T42Antiepileptic, sedative- hypnotic and antiparkinsonism drugs
ICD-10-CM category (non-billable header) code — part of Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
Coding Notes
Excludes2 (not part of this condition — may code both)
- drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.--F19.-)
7th Character Note
- The appropriate 7th character is to be added to each code from category T42
Subcategories (9)
- T42.0 Hydantoin derivatives
- T42.1 Iminostilbenes
- T42.2 Succinimides and oxazolidinediones
- T42.3 Barbiturates
- T42.4 Benzodiazepines
- T42.5 Mixed antiepileptics
- T42.6 Antiepileptic and sedative-hypnotic drugs
- T42.7 Unsp antiepileptic and sedative-hypnotic drugs
- T42.8 Antiparkns drug/centr muscle-tone depressants