T48.905 — Adverse effect of unspecified agents primarily acting on the respiratory system
Is T48.905 billable?
No — T48.905 is a non-billable header code. T48.905 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 T48.905.
Billable codes under this header
- T48.905AAdverse effect of unspecified agents primarily acting on the respiratory system, initial encounter
- T48.905DAdverse effect of unspecified agents primarily acting on the respiratory system, subsequent encounter
- T48.905SAdverse effect of unspecified agents primarily acting on the respiratory system, sequela
T48.905 at a glance
| Code | T48.905 |
|---|---|
| Description | Adverse effect of unspecified agents primarily acting on the respiratory system |
| 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 T48.905 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 T48.905. T48.905 describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T48.905 to fully describe the condition. T48.905 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 T48.905 to fully describe the condition. T48.905 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T48.905, but a patient may have both at the same time. When documentation supports it, T48.905 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T48.905, but a patient may have both at the same time. When documentation supports it, T48.905 and the excluded code may both be reported.
What codes fall under T48.905? (3)
- T48.905AAdverse effect of unspecified agents primarily acting on the respiratory system, initial encounter
- T48.905DAdverse effect of unspecified agents primarily acting on the respiratory system, subsequent encounter
- T48.905SAdverse effect of unspecified agents primarily acting on the respiratory system, sequela
How long has T48.905 existed?
T48.905 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 T48.90 family? (5)
- T48.901Poisoning by unspecified agents primarily acting on the respiratory system, accidental (unintentional)not billable
- T48.902Poisoning by unspecified agents primarily acting on the respiratory system, intentional self-harmnot billable
- T48.903Poisoning by unspecified agents primarily acting on the respiratory system, assaultnot billable
- T48.904Poisoning by unspecified agents primarily acting on the respiratory system, undeterminednot billable
- T48.906Underdosing of unspecified agents primarily acting on the respiratory systemnot billable