T48.6 — Poisoning by, adverse effect of and underdosing of antiasthmatics, not elsewhere classified
Is T48.6 billable?
No — T48.6 is a non-billable header code. T48.6 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 T48.6.
Billable codes under this header
- T48.6X1APoisoning by antiasthmatics, accidental (unintentional), initial encounter
- T48.6X1DPoisoning by antiasthmatics, accidental (unintentional), subsequent encounter
- T48.6X1SPoisoning by antiasthmatics, accidental (unintentional), sequela
- T48.6X2APoisoning by antiasthmatics, intentional self-harm, initial encounter
- T48.6X2DPoisoning by antiasthmatics, intentional self-harm, subsequent encounter
- T48.6X2SPoisoning by antiasthmatics, intentional self-harm, sequela
- T48.6X3APoisoning by antiasthmatics, assault, initial encounter
- T48.6X3DPoisoning by antiasthmatics, assault, subsequent encounter
- T48.6X3SPoisoning by antiasthmatics, assault, sequela
- T48.6X4APoisoning by antiasthmatics, undetermined, initial encounter
- T48.6X4DPoisoning by antiasthmatics, undetermined, subsequent encounter
- T48.6X4SPoisoning by antiasthmatics, undetermined, sequela
- T48.6X5AAdverse effect of antiasthmatics, initial encounter
- T48.6X5DAdverse effect of antiasthmatics, subsequent encounter
- T48.6X5SAdverse effect of antiasthmatics, sequela
- T48.6X6AUnderdosing of antiasthmatics, initial encounter
- T48.6X6DUnderdosing of antiasthmatics, subsequent encounter
- T48.6X6SUnderdosing of antiasthmatics, sequela
T48.6 at a glance
| Code | T48.6 |
|---|---|
| Description | Poisoning by, adverse effect of and underdosing of antiasthmatics, not elsewhere classified |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with T48.6 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Inclusion terms
Alternative wording in documentation that is classified to T48.6.
- Poisoning by, adverse effect of and underdosing of beta-adrenoreceptor agonists used in asthma therapy
Excludes1 — never code together — inherited from T36-T50
The conditions below can never be reported together with T48.6 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 T48.6. T48.6 describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T48.6 to fully describe the condition. T48.6 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 T48.6 to fully describe the condition. T48.6 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T48.6, but a patient may have both at the same time. When documentation supports it, T48.6 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T48.6, but a patient may have both at the same time. When documentation supports it, T48.6 and the excluded code may both be reported.
What codes fall under T48.6? (1)
How long has T48.6 existed?
T48.6 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 family? (7)
- T48.0Poisoning by, adverse effect of and underdosing of oxytocic drugsnot billable
- T48.1Poisoning by, adverse effect of and underdosing of skeletal muscle relaxants [neuromuscular blocking agents]not billable
- T48.2Poisoning by, adverse effect of and underdosing of other and unspecified drugs acting on musclesnot billable
- T48.3Poisoning by, adverse effect of and underdosing of antitussivesnot billable
- T48.4Poisoning by, adverse effect of and underdosing of expectorantsnot billable
- T48.5Poisoning by, adverse effect of and underdosing of other anti-common-cold drugsnot billable
- T48.9Poisoning by, adverse effect of and underdosing of other and unspecified agents primarily acting on the respiratory systemnot billable