2025 ICD-10-CM code T42.75XA
Adverse effect of unspecified antiepileptic and sedative-hypnotic drugs, initial encounter.
No information available.
Medical necessity should be established by documenting the patient’s need for antiepileptic and/or sedative-hypnotic medication and a clear link between the medication and adverse effect.
In simple words: This code signifies a negative reaction to anti-seizure and sleep-inducing medications during the first instance of the adverse effect.
Adverse effect of unspecified antiepileptic and sedative-hypnotic drugs, initial encounter.
Example 1: A patient experiences skin rashes after taking an antiepileptic medication for the first time. This would be coded as T42.75XA as it represents an adverse reaction., A patient known to have seizures is prescribed a new sedative. During the initial phase of treatment, they report experiencing unusual drowsiness. This reaction is an adverse effect, and the appropriate code is T42.75XA. , A patient takes a prescribed sedative-hypnotic drug for the first time and experiences nausea and vomiting. This initial adverse reaction is documented with the code T42.75XA.
Documentation should specify the antiepileptic or sedative-hypnotic drug causing the adverse effect, the nature of the adverse reaction, and that this is the initial encounter for this specific adverse reaction.
** Excludes1: birth trauma (P10-P15), obstetric trauma (O70-O71) Excludes2: drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.--F19.-)
- Specialties:Neurology, Pharmacy, Toxicology, Emergency Medicine
- Place of Service:Inpatient Hospital, Emergency Room - Hospital, Office, Outpatient Hospital, Home