T45.AX6
T45.AX6 — Underdosing of immune checkpoint inhibitors and immunostimulant drugs
Non-billable headerICD-10-CM
T45.AX6 is a non-billable header ICD-10-CM code for underdosing of immune checkpoint inhibitors and immunostimulant drugs. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category T45
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
T45.AX6 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead T45.AX6
3 child codes. Green means billable.
Related codes at this level
Codes that share T45.AX. If T45.AX6 is not quite right, the correct code is usually one of these.
- T45.AX1Poisoning by immune checkpoint inhibitors and immunostimulant drugs, accidental (unintentional)
- T45.AX2Poisoning by immune checkpoint inhibitors and immunostimulant drugs, intentional self-harm
- T45.AX3Poisoning by immune checkpoint inhibitors and immunostimulant drugs, assault
- T45.AX4Poisoning by immune checkpoint inhibitors and immunostimulant drugs, undetermined
- T45.AX5Adverse effect of immune checkpoint inhibitors and immunostimulant drugs
Questions about T45.AX6
- Is T45.AX6 a billable ICD-10-CM code?
- No. T45.AX6 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does T45.AX6 sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50).