T43.621S — Poisoning by amphetamines, accidental (unintentional), sequela
Is T43.621S billable?
Yes — T43.621S is billable for FY2027. T43.621S is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T43.621S may be submitted for encounters from October 1, 2026 through September 30, 2027.
T43.621S at a glance
| Code | T43.621S |
|---|---|
| Description | Poisoning by amphetamines, accidental (unintentional), 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 T43.621S?
In T43.621S, the 7th character S means sequela. The 7th character is required for T43.621S to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T43.621S group to?
T43.621S 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
Inclusion terms
Alternative wording in documentation that is classified to T43.621S.
- Poisoning by amphetamines NOS
Excludes1 — never code together — inherited from T36-T50
The conditions below can never be reported together with T43.621S 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 T43.6
The conditions below can never be reported together with T43.621S 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 cocaine (T40.5-)
Code first — inherited from T36-T50
The underlying condition below must be sequenced before T43.621S. T43.621S describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T43.621S to fully describe the condition. T43.621S 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 T43.621S to fully describe the condition. T43.621S is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T43.621S, but a patient may have both at the same time. When documentation supports it, T43.621S and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T43.621S, but a patient may have both at the same time. When documentation supports it, T43.621S and the excluded code may both be reported.
Excludes2 — not included here — inherited from T43
The conditions below are not part of T43.621S, but a patient may have both at the same time. When documentation supports it, T43.621S and the excluded code may both be reported.
How long has T43.621S existed?
T43.621S 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.