T48.4X — Poisoning by, adverse effect of and underdosing of expectorants
Is T48.4X billable?
No — T48.4X is a non-billable header code. T48.4X 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 T48.4X.
Billable codes under this header
- T48.4X1APoisoning by expectorants, accidental (unintentional), initial encounter
- T48.4X1DPoisoning by expectorants, accidental (unintentional), subsequent encounter
- T48.4X1SPoisoning by expectorants, accidental (unintentional), sequela
- T48.4X2APoisoning by expectorants, intentional self-harm, initial encounter
- T48.4X2DPoisoning by expectorants, intentional self-harm, subsequent encounter
- T48.4X2SPoisoning by expectorants, intentional self-harm, sequela
- T48.4X3APoisoning by expectorants, assault, initial encounter
- T48.4X3DPoisoning by expectorants, assault, subsequent encounter
- T48.4X3SPoisoning by expectorants, assault, sequela
- T48.4X4APoisoning by expectorants, undetermined, initial encounter
- T48.4X4DPoisoning by expectorants, undetermined, subsequent encounter
- T48.4X4SPoisoning by expectorants, undetermined, sequela
- T48.4X5AAdverse effect of expectorants, initial encounter
- T48.4X5DAdverse effect of expectorants, subsequent encounter
- T48.4X5SAdverse effect of expectorants, sequela
- T48.4X6AUnderdosing of expectorants, initial encounter
- T48.4X6DUnderdosing of expectorants, subsequent encounter
- T48.4X6SUnderdosing of expectorants, sequela
T48.4X at a glance
| Code | T48.4X |
|---|---|
| Description | Poisoning by, adverse effect of and underdosing of expectorants |
| 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 T48.4X 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 T48.4X. T48.4X describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T48.4X to fully describe the condition. T48.4X 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 T48.4X to fully describe the condition. T48.4X is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T48.4X, but a patient may have both at the same time. When documentation supports it, T48.4X and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T48.4X, but a patient may have both at the same time. When documentation supports it, T48.4X and the excluded code may both be reported.
What codes fall under T48.4X? (6)
- T48.4X1Poisoning by expectorants, accidental (unintentional)not billable
- T48.4X2Poisoning by expectorants, intentional self-harmnot billable
- T48.4X3Poisoning by expectorants, assaultnot billable
- T48.4X4Poisoning by expectorants, undeterminednot billable
- T48.4X5Adverse effect of expectorantsnot billable
- T48.4X6Underdosing of expectorantsnot billable
How long has T48.4X existed?
T48.4X 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.