T48.201 — Poisoning by unspecified drugs acting on muscles, accidental (unintentional)
Is T48.201 billable?
No — T48.201 is a non-billable header code. T48.201 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 T48.201.
Billable codes under this header
- T48.201APoisoning by unspecified drugs acting on muscles, accidental (unintentional), initial encounter
- T48.201DPoisoning by unspecified drugs acting on muscles, accidental (unintentional), subsequent encounter
- T48.201SPoisoning by unspecified drugs acting on muscles, accidental (unintentional), sequela
T48.201 at a glance
| Code | T48.201 |
|---|---|
| Description | Poisoning by unspecified drugs acting on muscles, 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 T48.201.
- Poisoning by unspecified drugs acting on muscles NOS
Excludes1 — never code together — inherited from T36-T50
The conditions below can never be reported together with T48.201 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 T48.201. T48.201 describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T48.201 to fully describe the condition. T48.201 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 T48.201 to fully describe the condition. T48.201 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T48.201, but a patient may have both at the same time. When documentation supports it, T48.201 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T48.201, but a patient may have both at the same time. When documentation supports it, T48.201 and the excluded code may both be reported.
What codes fall under T48.201? (3)
- T48.201APoisoning by unspecified drugs acting on muscles, accidental (unintentional), initial encounter
- T48.201DPoisoning by unspecified drugs acting on muscles, accidental (unintentional), subsequent encounter
- T48.201SPoisoning by unspecified drugs acting on muscles, accidental (unintentional), sequela
How long has T48.201 existed?
T48.201 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 T48.20 family? (5)
- T48.202Poisoning by unspecified drugs acting on muscles, intentional self-harmnot billable
- T48.203Poisoning by unspecified drugs acting on muscles, assaultnot billable
- T48.204Poisoning by unspecified drugs acting on muscles, undeterminednot billable
- T48.205Adverse effect of unspecified drugs acting on musclesnot billable
- T48.206Underdosing of unspecified drugs acting on musclesnot billable