MCMCB Pro
T80.90XA

T80.90XAUnspecified complication following infusion and therapeutic injection, initial encounter

Billable / specific codeICD-10-CM

T80.90XA is a billable, specific ICD-10-CM code for unspecified complication following infusion and therapeutic injection, initial encounter. It is valid for submission on a claim.

7th character "A" — initial encounter

The appropriate 7th character is to be added to each code from category T80

A
initial encounter
D
subsequent encounter
S
sequela

Risk adjustment

T80.90XA 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.

Related codes at this level

Codes that share T80.90. If T80.90XA is not quite right, the correct code is usually one of these.

Questions about T80.90XA

Is T80.90XA a billable ICD-10-CM code?
Yes. T80.90XA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T80.90XA sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Complications of surgical and medical care, not elsewhere classified (T80-T88).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.