T49.6X1 — Poisoning by otorhinolaryngological drugs and preparations, accidental (unintentional)
Is T49.6X1 billable?
No — T49.6X1 is a non-billable header code. T49.6X1 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath T49.6X1.
Billable codes under this header
- 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
T49.6X1 at a glance
| Code | T49.6X1 |
|---|---|
| Description | Poisoning by otorhinolaryngological drugs and preparations, accidental (unintentional) |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Inclusion terms
Alternative wording in documentation that is classified to T49.6X1.
- Poisoning by otorhinolaryngological drugs and preparations NOS
Excludes1 — never code together — inherited from T36-T50
The conditions below can never be reported together with T49.6X1 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- toxic reaction to local anesthesia in pregnancy (O29.3-)
Code first — inherited from T36-T50
The underlying condition below must be sequenced before T49.6X1. T49.6X1 describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T49.6X1 to fully describe the condition. T49.6X1 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T36-T50
Report an additional code alongside T49.6X1 to fully describe the condition. T49.6X1 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T49.6X1, but a patient may have both at the same time. When documentation supports it, T49.6X1 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T49.6X1, but a patient may have both at the same time. When documentation supports it, T49.6X1 and the excluded code may both be reported.
What codes fall under T49.6X1? (3)
- 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
How long has T49.6X1 existed?
T49.6X1 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the T49.6X family? (5)
- T49.6X2Poisoning by otorhinolaryngological drugs and preparations, intentional self-harmnot billable
- T49.6X3Poisoning by otorhinolaryngological drugs and preparations, assaultnot billable
- T49.6X4Poisoning by otorhinolaryngological drugs and preparations, undeterminednot billable
- T49.6X5Adverse effect of otorhinolaryngological drugs and preparationsnot billable
- T49.6X6Underdosing of otorhinolaryngological drugs and preparationsnot billable