Is T49.6 a billable code?
No. T49.6 is a header code that groups 18 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
T49.6: Poisoning by, adverse effect of and underdosing of otorhinolaryngological drugs and preparations
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T49.6 groups related diagnoses under poisoning by, adverse effect of and underdosing of otorhinolaryngological drugs and preparations. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T49.6
- T49.6X1APoisoning by otorhinolaryngological drugs and preparations, accidental (unintentional), initial encounter
- T49.6X1DPoisoning by otorhinolaryngological drugs and preparations, accidental (unintentional), subsequent encounter
- T49.6X1SPoisoning by otorhinolaryngological drugs and preparations, accidental (unintentional), sequela
- T49.6X2APoisoning by otorhinolaryngological drugs and preparations, intentional self-harm, initial encounter
- T49.6X2DPoisoning by otorhinolaryngological drugs and preparations, intentional self-harm, subsequent encounter
- T49.6X2SPoisoning by otorhinolaryngological drugs and preparations, intentional self-harm, sequela
- T49.6X3APoisoning by otorhinolaryngological drugs and preparations, assault, initial encounter
- T49.6X3DPoisoning by otorhinolaryngological drugs and preparations, assault, subsequent encounter
- T49.6X3SPoisoning by otorhinolaryngological drugs and preparations, assault, sequela
- T49.6X4APoisoning by otorhinolaryngological drugs and preparations, undetermined, initial encounter
- T49.6X4DPoisoning by otorhinolaryngological drugs and preparations, undetermined, subsequent encounter
- T49.6X4SPoisoning by otorhinolaryngological drugs and preparations, undetermined, sequela
- T49.6X5AAdverse effect of otorhinolaryngological drugs and preparations, initial encounter
- T49.6X5DAdverse effect of otorhinolaryngological drugs and preparations, subsequent encounter
- T49.6X5SAdverse effect of otorhinolaryngological drugs and preparations, sequela
- T49.6X6AUnderdosing of otorhinolaryngological drugs and preparations, initial encounter
- T49.6X6DUnderdosing of otorhinolaryngological drugs and preparations, subsequent encounter
- T49.6X6SUnderdosing of otorhinolaryngological drugs and preparations, sequela
Other codes in T49 Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs
- T49.0Poisoning by, adverse effect of and underdosing of local antifungal, anti-infective and anti-inflammatory drugsheader
- T49.1Poisoning by, adverse effect of and underdosing of antipruriticsheader
- T49.2Poisoning by, adverse effect of and underdosing of local astringents and local detergentsheader
- T49.3Poisoning by, adverse effect of and underdosing of emollients, demulcents and protectantsheader
- T49.4Poisoning by, adverse effect of and underdosing of keratolytics, keratoplastics, and other hair treatment drugs and preparationsheader
- T49.5Poisoning by, adverse effect of and underdosing of ophthalmological drugs and preparationsheader
- T49.7Poisoning by, adverse effect of and underdosing of dental drugs, topically appliedheader
- T49.8Poisoning by, adverse effect of and underdosing of other topical agentsheader
- T49.9Poisoning by, adverse effect of and underdosing of unspecified topical agentheader
T49.6 questions
What does T49.6 mean?
T49.6 is the ICD-10-CM code for Poisoning by, adverse effect of and underdosing of otorhinolaryngological drugs and preparations. It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.