MCMCB Pro
S74.91XS

S74.91XSInjury of unspecified nerve at hip and thigh level, right leg, sequela

Billable / specific codeICD-10-CMPOA exemptright

S74.91XS is a billable, specific ICD-10-CM code for injury of unspecified nerve at hip and thigh level, right leg, 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 S74

A
initial encounter
D
subsequent encounter
S
sequela

Risk adjustment

S74.91XS 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

S74.91XS is named in 10 Medicare coverage policies 10 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
  • A53064Billing and Coding: Outpatient Occupational Therapy
  • A53065Billing and Coding: Outpatient Physical Therapy
  • A54969Billing and Coding: Nerve Conduction Studies and Electromyography

Related codes at this level

Codes that share S74.91. If S74.91XS is not quite right, the correct code is usually one of these.

Questions about S74.91XS

Is S74.91XS a billable ICD-10-CM code?
Yes. S74.91XS is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S74.91XS sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the hip and thigh (S70-S79).
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.