MCMCB Pro
T65.814S

T65.814SToxic effect of latex, undetermined, sequela

Billable / specific codeICD-10-CMPOA exempt

T65.814S is a billable, specific ICD-10-CM code for toxic effect of latex, undetermined, sequela. It is valid for submission on a claim.

7th character "S" — sequela

The appropriate 7th character is to be added to each code from category T65

A
initial encounter
D
subsequent encounter
S
sequela

Risk adjustment

T65.814S 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

T65.814S is named in 8 Medicare coverage policies 8 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56558Billing and Coding: Allergy Testing
  • A56612Billing and Coding: CT of the Head
  • A57531Billing and Coding: Allergy Testing
  • A60360Billing and Coding: Allergy Diagnostic Testing

Related codes at this level

Codes that share T65.814. If T65.814S is not quite right, the correct code is usually one of these.

Questions about T65.814S

Is T65.814S a billable ICD-10-CM code?
Yes. T65.814S is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T65.814S sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Toxic effects of substances chiefly nonmedicinal as to source (T51-T65).
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.