T48.901ABillable

Poisoning by unspecified agents primarily acting on the respiratory system, accidental (unintentional), initial encounter

Short description: Poisn by unsp agents prim acting on the resp sys, acc, init

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T48
Effective date
October 1, 2026

Related codes in category T48

T48Agents prim act on smooth and skeletal musc and the resp sysT48.0Oxytocic drugsT48.0XOxytocic drugsT48.0X1Poisoning by oxytocic drugs, accidental (unintentional)T48.0X1APoisoning by oxytocic drugs, accidental, initYesT48.0X1DPoisoning by oxytocic drugs, accidental, subsYesT48.0X1SPoisoning by oxytocic drugs, accidental, sequelaYesT48.0X2Poisoning by oxytocic drugs, intentional self-harmT48.0X2APoisoning by oxytocic drugs, intentional self-harm, initYesT48.0X2DPoisoning by oxytocic drugs, intentional self-harm, subsYesT48.0X2SPoisoning by oxytocic drugs, intentional self-harm, sequelaYesT48.0X3Poisoning by oxytocic drugs, assault

Frequently asked questions

What is ICD-10 code T48.901A?

T48.901A is an ICD-10-CM diagnosis code for Poisoning by unspecified agents primarily acting on the respiratory system, accidental (unintentional), initial encounter.

Is T48.901A a billable code?

Yes. T48.901A is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T48.901A in?

T48.901A falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T48.901A become effective?

T48.901A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T48.901A?

T48.901A belongs to category T48, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.