MCMCB Pro
T88.0XXS

T88.0XXSInfection following immunization, sequela

Billable / specific codeICD-10-CMPOA exempt

T88.0XXS is a billable, specific ICD-10-CM code for infection following immunization, 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 T88

A
initial encounter
D
subsequent encounter
S
sequela

Inclusion terms

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

  • Sepsis following immunization

Risk adjustment

T88.0XXS 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

T88.0XXS is named in 6 Medicare coverage policies 6 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A53057Billing and Coding: Home Health Occupational Therapy
  • A53058Billing and Coding: Home Health Physical Therapy
  • A56625Billing and Coding: Echocardiography
  • A56625Billing and Coding: Echocardiography

Related codes at this level

Codes that share T88.0. If T88.0XXS is not quite right, the correct code is usually one of these.

Questions about T88.0XXS

Is T88.0XXS a billable ICD-10-CM code?
Yes. T88.0XXS is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T88.0XXS 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.