Is T48.90 a billable code?
No. T48.90 is a header code that groups 18 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
T48.90: Poisoning by, adverse effect of and underdosing of unspecified agents primarily acting on the respiratory system
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T48.90 groups related diagnoses under poisoning by, adverse effect of and underdosing of unspecified agents primarily acting on the respiratory system. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T48.90
- T48.901APoisoning by unspecified agents primarily acting on the respiratory system, accidental (unintentional), initial encounter
- T48.901DPoisoning by unspecified agents primarily acting on the respiratory system, accidental (unintentional), subsequent encounter
- T48.901SPoisoning by unspecified agents primarily acting on the respiratory system, accidental (unintentional), sequela
- T48.902APoisoning by unspecified agents primarily acting on the respiratory system, intentional self-harm, initial encounter
- T48.902DPoisoning by unspecified agents primarily acting on the respiratory system, intentional self-harm, subsequent encounter
- T48.902SPoisoning by unspecified agents primarily acting on the respiratory system, intentional self-harm, sequela
- T48.903APoisoning by unspecified agents primarily acting on the respiratory system, assault, initial encounter
- T48.903DPoisoning by unspecified agents primarily acting on the respiratory system, assault, subsequent encounter
- T48.903SPoisoning by unspecified agents primarily acting on the respiratory system, assault, sequela
- T48.904APoisoning by unspecified agents primarily acting on the respiratory system, undetermined, initial encounter
- T48.904DPoisoning by unspecified agents primarily acting on the respiratory system, undetermined, subsequent encounter
- T48.904SPoisoning by unspecified agents primarily acting on the respiratory system, undetermined, sequela
- 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
- T48.906AUnderdosing of unspecified agents primarily acting on the respiratory system, initial encounter
- T48.906DUnderdosing of unspecified agents primarily acting on the respiratory system, subsequent encounter
- T48.906SUnderdosing of unspecified agents primarily acting on the respiratory system, sequela
Other codes in T48.9 Poisoning by, adverse effect of and underdosing of other and unspecified agents primarily acting on the respiratory system
T48.90 questions
What does T48.90 mean?
T48.90 is the ICD-10-CM code for Poisoning by, adverse effect of and underdosing of unspecified agents primarily acting on the respiratory system. It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.