2025 ICD-10-CM code T49.5
Poisoning by, adverse effect of and underdosing of ophthalmological drugs and preparations.
Medical necessity is established by the documented adverse effects, symptoms of poisoning, or consequences of underdosing related to the ophthalmological drug.The documentation should clearly link the medication to the patient's condition.
The clinician is responsible for documenting the specific ophthalmological drug involved, the circumstances of the poisoning or adverse effect, and the resulting signs and symptoms.
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- T49 - Poisoning by topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinolaryngological and dental drugs
In simple words: This code indicates problems caused by eye medications, such as an overdose, accidental exposure, incorrect use, or not taking enough of a prescribed eye medication.
This code represents poisoning by, adverse effect of, or underdosing of ophthalmological drugs and preparations, including eye anti-infectives.It includes adverse effects from correctly administered substances, overdose, wrong substance given or taken, and underdosing (both inadvertent and deliberate).
Example 1: A patient accidentally ingests eye drops prescribed for glaucoma, experiencing symptoms such as nausea and blurred vision., A patient develops an allergic reaction (e.g., contact dermatitis) after using a new antibiotic eye ointment., A patient intentionally takes an overdose of eye drops intended for pain relief, requiring emergency medical attention.
Documentation should include the specific drug involved, route of exposure, dosage (if known), timing of the event, signs and symptoms, and any treatment provided.If an adverse effect, the nature of the reaction should be detailed. For underdosing, the prescribed dosage and the actual amount taken should be noted.
** Excludes birth trauma (P10-P15) and obstetric trauma (O70-O71).For adverse effects, coding the nature of the adverse effect first may be necessary (e.g., contact dermatitis). The drug causing the adverse effect should be identified using T36-T50 with a fifth or sixth character of 5. Additional codes may be needed to specify manifestations of poisoning or underdosing.
- Specialties:Emergency Medicine, Ophthalmology, Toxicology, Pediatrics (if applicable)
- Place of Service:Emergency Room - Hospital, Office, Home, Inpatient Hospital, Other Place of Service