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T80.810A

T80.810AExtravasation of vesicant antineoplastic chemotherapy, initial encounter

Billable / specific codeICD-10-CM

T80.810A is a billable, specific ICD-10-CM code for extravasation of vesicant antineoplastic chemotherapy, 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

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Infiltration of vesicant antineoplastic chemotherapy

Risk adjustment

T80.810A 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.

Medicare coverage

T80.810A is named in 1 Medicare coverage policy 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A57594Billing and Coding: Non-Invasive Peripheral Venous Vascular and Hemodialysis Access Studies

Related codes at this level

Codes that share T80.810. If T80.810A is not quite right, the correct code is usually one of these.

Questions about T80.810A

Is T80.810A a billable ICD-10-CM code?
Yes. T80.810A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T80.810A 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.