2025
ICD-10-CM
Diagnosis
Code

T45.AX5 Adverse effect of immune checkpoint inhibitors and immunostimulant drugs

Non-billable
2025–2025

T45.AX5 is a new non-billable/non-specific diagnosis code introduced in the 2025 ICD-10-CM used to classify the following condition: Adverse effect of immune checkpoint inhibitors and immunostimulant drugs.

Codes

T45.AX5A
Adverse effect of immune checkpoint inhibitors and immunostimulant drugs, initial encounter
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T45.AX5D
Adverse effect of immune checkpoint inhibitors and immunostimulant drugs, subsequent encounter
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T45.AX5S
Adverse effect of immune checkpoint inhibitors and immunostimulant drugs, sequela
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Versions

2025
New code