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T42

Non-billable

Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs

Chapter 19: Injury, poisoning and certain other consequences of external causes

Coding Guidance

T42 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail. See Related Codes to drill down to more specific billable codes for appropriate reimbursement.

Additional Information

From parent codes: S00-T88 (Chapter 19)

Excludes 1 — Not Coded HereFrom S00-T88

Excludes1 means 'NOT CODED HERE!' An Excludes1 note indicates mutually exclusive codes: two conditions that cannot be reported together.

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)
Use Additional CodeFrom S00-T88

The 'use additional code' note instructs that a secondary code should be added to provide more detail.

  • code to identify any retained foreign body, if applicable (Z18.-)

More Specific Codes (9)

T42.0Poisoning by, adverse effect of and underdosing of hydantoin derivatives→T42.1Poisoning by, adverse effect of and underdosing of iminostilbenes→T42.2Poisoning by, adverse effect of and underdosing of succinimides and oxazolidinediones→T42.3Poisoning by, adverse effect of and underdosing of barbiturates→T42.4Poisoning by, adverse effect of and underdosing of benzodiazepines→T42.5Poisoning by, adverse effect of and underdosing of mixed antiepileptics→T42.6Poisoning by, adverse effect of and underdosing of other antiepileptic and sedative-hypnotic drugs→T42.7Poisoning by, adverse effect of and underdosing of unspecified antiepileptic and sedative-hypnotic drugs→T42.8Poisoning by, adverse effect of and underdosing of antiparkinsonism drugs and other central muscle-tone depressants→