T43.29 — Poisoning by, adverse effect of and underdosing of other antidepressants
Is T43.29 billable?
No — T43.29 is a non-billable header code. T43.29 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 18 billable codes beneath T43.29.
Billable codes under this header
- T43.291APoisoning by other antidepressants, accidental (unintentional), initial encounter
- T43.291DPoisoning by other antidepressants, accidental (unintentional), subsequent encounter
- T43.291SPoisoning by other antidepressants, accidental (unintentional), sequela
- T43.292APoisoning by other antidepressants, intentional self-harm, initial encounter
- T43.292DPoisoning by other antidepressants, intentional self-harm, subsequent encounter
- T43.292SPoisoning by other antidepressants, intentional self-harm, sequela
- T43.293APoisoning by other antidepressants, assault, initial encounter
- T43.293DPoisoning by other antidepressants, assault, subsequent encounter
- T43.293SPoisoning by other antidepressants, assault, sequela
- T43.294APoisoning by other antidepressants, undetermined, initial encounter
- T43.294DPoisoning by other antidepressants, undetermined, subsequent encounter
- T43.294SPoisoning by other antidepressants, undetermined, sequela
- T43.295AAdverse effect of other antidepressants, initial encounter
- T43.295DAdverse effect of other antidepressants, subsequent encounter
- T43.295SAdverse effect of other antidepressants, sequela
- T43.296AUnderdosing of other antidepressants, initial encounter
- T43.296DUnderdosing of other antidepressants, subsequent encounter
- T43.296SUnderdosing of other antidepressants, sequela
T43.29 at a glance
| Code | T43.29 |
|---|---|
| Description | Poisoning by, adverse effect of and underdosing of other antidepressants |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together — inherited from T36-T50
The conditions below can never be reported together with T43.29 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 T43.29. T43.29 describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T43.29 to fully describe the condition. T43.29 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 T43.29 to fully describe the condition. T43.29 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T43.29, but a patient may have both at the same time. When documentation supports it, T43.29 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T43.29, but a patient may have both at the same time. When documentation supports it, T43.29 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T43
The conditions below are not part of T43.29, but a patient may have both at the same time. When documentation supports it, T43.29 and the excluded code may both be reported.
What codes fall under T43.29? (6)
- T43.291Poisoning by other antidepressants, accidental (unintentional)not billable
- T43.292Poisoning by other antidepressants, intentional self-harmnot billable
- T43.293Poisoning by other antidepressants, assaultnot billable
- T43.294Poisoning by other antidepressants, undeterminednot billable
- T43.295Adverse effect of other antidepressantsnot billable
- T43.296Underdosing of other antidepressantsnot billable
How long has T43.29 existed?
T43.29 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 T43.2 family? (3)
- T43.20Poisoning by, adverse effect of and underdosing of unspecified antidepressantsnot billable
- T43.21Poisoning by, adverse effect of and underdosing of selective serotonin and norepinephrine reuptake inhibitorsnot billable
- T43.22Poisoning by, adverse effect of and underdosing of selective serotonin reuptake inhibitorsnot billable