T46.903S — Poisoning by unspecified agents primarily affecting the cardiovascular system, assault, sequela
Is T46.903S billable?
Yes, but T46.903S is an unspecified code. T46.903S is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, T46.903S is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting T46.903S — the more specific alternatives are listed below.
More specific alternatives
- T46.0X1SPoisoning by cardiac-stimulant glycosides and drugs of similar action, accidental (unintentional), sequela
- T46.1X1SPoisoning by calcium-channel blockers, accidental (unintentional), sequela
- T46.3X1SPoisoning by coronary vasodilators, accidental (unintentional), sequela
- T46.4X1SPoisoning by angiotensin-converting-enzyme inhibitors, accidental (unintentional), sequela
- T46.5X1SPoisoning by other antihypertensive drugs, accidental (unintentional), sequela
- T46.6X1SPoisoning by antihyperlipidemic and antiarteriosclerotic drugs, accidental (unintentional), sequela
- T46.7X1SPoisoning by peripheral vasodilators, accidental (unintentional), sequela
- T46.8X1SPoisoning by antivaricose drugs, including sclerosing agents, accidental (unintentional), sequela
T46.903S at a glance
| Code | T46.903S |
|---|---|
| Description | Poisoning by unspecified agents primarily affecting the cardiovascular system, assault, sequela |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "S" | sequela |
What does the 7th character "S" mean in T46.903S?
In T46.903S, the 7th character S means sequela. The 7th character is required for T46.903S to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T46.903S group to?
T46.903S sits in MDC 21 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 922Other Injury, Poisoning and Toxic Effect Diagnoses with MCCmedical
- 923Other Injury, Poisoning and Toxic Effect Diagnoses without MCCmedical
Excludes1 — never code together — inherited from T36-T50
The conditions below can never be reported together with T46.903S 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-)
Excludes1 — never code together — inherited from T46
The conditions below can never be reported together with T46.903S on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- poisoning by, adverse effect of and underdosing of metaraminol (T44.4)
Code first — inherited from T36-T50
The underlying condition below must be sequenced before T46.903S. T46.903S describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T46.903S to fully describe the condition. T46.903S 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 T46.903S to fully describe the condition. T46.903S is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T46.903S, but a patient may have both at the same time. When documentation supports it, T46.903S and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T46.903S, but a patient may have both at the same time. When documentation supports it, T46.903S and the excluded code may both be reported.
How long has T46.903S existed?
T46.903S 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.