MCMCB Pro
T50.B95S

T50.B95SAdverse effect of other viral vaccines, sequela

Billable / specific codeICD-10-CMPOA exempt

T50.B95S is a billable, specific ICD-10-CM code for adverse effect of other viral vaccines, 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 T50

A
initial encounter
D
subsequent encounter
S
sequela

Risk adjustment

T50.B95S 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

T50.B95S is named in 23 Medicare coverage policies 23 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
  • A56559Billing and Coding: Allergy Skin Testing
  • A56612Billing and Coding: CT of the Head
  • A56625Billing and Coding: Echocardiography

Related codes at this level

Codes that share T50.B95. If T50.B95S is not quite right, the correct code is usually one of these.

Questions about T50.B95S

Is T50.B95S a billable ICD-10-CM code?
Yes. T50.B95S is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T50.B95S 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).
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.