T42.7
Header — not billablePoisoning by, adverse effect of and underdosing of unspecified antiepileptic and sedative-hypnotic drugs
The ICD-10 code for poisoning by, adverse effect of and underdosing of unspecified antiepileptic and sedative-hypnotic drugs is T42.7.
T42.7 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 6 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under T42.7
- T42.71Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, accidental (unintentional)
- T42.72Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, intentional self-harm
- T42.73Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, assault
- T42.74Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, undetermined
- T42.75Adverse effect of unspecified antiepileptic and sedative-hypnotic drugs
- T42.76Underdosing of unspecified antiepileptic and sedative-hypnotic drugs
Related codes in this category
- T42.0Poisoning by, adverse effect of and underdosing of hydantoin derivativesnon-billable header
- T42.1Poisoning by, adverse effect of and underdosing of iminostilbenesnon-billable header
- T42.2Poisoning by, adverse effect of and underdosing of succinimides and oxazolidinedionesnon-billable header
- T42.3Poisoning by, adverse effect of and underdosing of barbituratesnon-billable header
- T42.4Poisoning by, adverse effect of and underdosing of benzodiazepinesnon-billable header
- T42.5Poisoning by, adverse effect of and underdosing of mixed antiepilepticsnon-billable header
- T42.6Poisoning by, adverse effect of and underdosing of other antiepileptic and sedative-hypnotic drugsnon-billable header
- T42.8Poisoning by, adverse effect of and underdosing of antiparkinsonism drugs and other central muscle-tone depressantsnon-billable header
- T42.7Poisoning by, adverse effect of and underdosing of unspecified antiepileptic and sedative-hypnotic drugsnon-billable header