Is S78.029A a billable ICD-10-CM code?

Yes. S78.029A is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does S78.029A 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).

What cannot be coded together with S78.029A?

S78.029A carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above S78.029A (S78) and apply to it just the same.

S78.029A

S78.029A — Partial traumatic amputation at unspecified hip joint, initial encounter

Billable / specific codeICD-10-CMunspecified

S78.029A is a billable, specific ICD-10-CM code for partial traumatic amputation at unspecified hip joint, initial encounter. It is valid for submission on a claim.

7th character "A" — initial encounter

The appropriate 7th character is to be added to each code from category S78

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 inherited from the categories above S78.029A

These are not written on S78.029A, but they bind it: a note on a category applies to every code beneath it. Billing S78.029A with anything listed here is a denial.

Written on S78 — Traumatic amputation of hip and thigh

traumatic amputation of knee (S88.0-)

Other codes that can never be billed with S78.029A

These codes carry an Excludes1 note pointing at S78.029A. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading S78.029A alone.

S71Open wound of hip and thigh
S72Fracture of femur

Risk adjustment

S78.029A risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 405 Traumatic Amputations and Complications0.598 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Code history

S78.029A has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share S78.029. If S78.029A is not quite right, the correct code is usually one of these.

Questions about S78.029A

Is S78.029A a billable ICD-10-CM code?: Yes. S78.029A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S78.029A 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).
What cannot be coded together with S78.029A?: S78.029A carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above S78.029A (S78) and apply to it just the same.