MCMCB Pro
T75.00XS

T75.00XSUnspecified effects of lightning, sequela

Billable / specific codeICD-10-CMPOA exempt

T75.00XS is a billable, specific ICD-10-CM code for unspecified effects of lightning, 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 T75

A
initial encounter
D
subsequent encounter
S
sequela

Inclusion terms

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

  • Struck by lightning NOS

Risk adjustment

T75.00XS 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

T75.00XS is named in 3 Medicare coverage policies 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56612Billing and Coding: CT of the Head
  • A56625Billing and Coding: Echocardiography
  • A56781Billing and Coding: Transthoracic Echocardiography (TTE)

Related codes at this level

Codes that share T75.00. If T75.00XS is not quite right, the correct code is usually one of these.

Questions about T75.00XS

Is T75.00XS a billable ICD-10-CM code?
Yes. T75.00XS is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T75.00XS sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Other and unspecified effects of external causes (T66-T78).
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.