T45.AX4S

Billable

ChapterS00–T88

Ranksubcategory

Official Description

Poisoning by immune checkpoint inhibitors and immunostimulant drugs, undetermined, sequela

Metadata & Insights

•Billable/specific code (valid for reimbursement).
•Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

General instructions are available for the parent sections:

BillableHas subcodes

CH19Injury, poisoning and certain other consequences of external causes (S00-T88)

T36-T50Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)

T45Poisoning by, adverse effect of and underdosing of primarily systemic and hematological agents, not elsewhere classified

T45.APoisoning by, adverse effect of and underdosing of immune checkpoint inhibitors and immunostimulant drugs

T45.AXPoisoning by, adverse effect of and underdosing of immune checkpoint inhibitors and immunostimulant drugs

T45.AX4Poisoning by immune checkpoint inhibitors and immunostimulant drugs, undetermined

T45.AX4SPoisoning by immune checkpoint inhibitors and immunostimulant drugs, undetermined, sequelaBillable

The following parent sections contain instructions or notes that apply to T45.AX4S:

subcategoryT45.A

Poisoning by, adverse effect of and underdosing of immune checkpoint inhibitors and immunostimulant drugs

Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)

chapterCH19

Injury, poisoning and certain other consequences of external causes (S00-T88)

FY 2024: This code replaced T45.1X4S (Poisoning by antineoplastic and immunosuppressive drugs, undetermined, sequela)

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

Find surgical and procedural codes related to Poisoning by immune checkpoint inhibitors and immunostimulant drugs, undetermined, sequela.