MCMCB Pro
S78.021S

S78.021SPartial traumatic amputation at right hip joint, sequela

Billable / specific codeICD-10-CMPOA exemptright

S78.021S is a billable, specific ICD-10-CM code for partial traumatic amputation at right hip joint, 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 S78

A
initial encounter
D
subsequent encounter
S
sequela

Risk adjustment

S78.021S 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

S78.021S is named in 5 Medicare coverage policies 5 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
  • A53065Billing and Coding: Outpatient Physical Therapy
  • A54767Billing and Coding: Medicare Preventive Coverage for Certain Vaccines

Related codes at this level

Codes that share S78.021. If S78.021S is not quite right, the correct code is usually one of these.

Questions about S78.021S

Is S78.021S a billable ICD-10-CM code?
Yes. S78.021S is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S78.021S 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.