2025 ICD-10-CM code T49.6
Poisoning by, adverse effect of and underdosing of otorhinolaryngological drugs and preparations.
Medical necessity is established by the presence of signs or symptoms of poisoning, adverse effects, or underdosing related to the use of otorhinolaryngological drugs.
The clinician is responsible for documenting the specific drug causing the adverse effect, the nature of the adverse effect, and the route of administration.Any related manifestations should also be noted.
- Injury, poisoning and certain other consequences of external causes (S00-T88)
- T49 - Poisoning by topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinolaryngological and dental drugs.
In simple words: This code represents poisoning, adverse effects, or underdosing of ear, nose, and throat medications.
Poisoning by, adverse effect of and underdosing of otorhinolaryngological drugs and preparations. Includes: Ear, nose, and throat anti-infectives.
Example 1: A patient experiences an allergic reaction after using ear drops prescribed for an infection., A patient intentionally overdoses on nasal decongestant spray., A child accidentally ingests throat lozenges containing a topical anesthetic.
Documentation should include the specific drug involved, the route of administration, the nature of the adverse effect or poisoning, the time of the incident, and any related signs and symptoms.If intentional, this should also be documented.
** This code excludes birth trauma (P10-P15) and obstetric trauma (O70-O71).It's important to distinguish between poisoning and an adverse effect. Poisoning implies an overdose or incorrect usage.An adverse effect can happen even with the correct usage and dosage.
- Specialties:Otolaryngology, Emergency Medicine, Toxicology, Pediatrics
- Place of Service:Emergency Room - Hospital, Office, Inpatient Hospital, Home, Other Place of Service