Is S75.221A a billable ICD-10-CM code?

Yes. S75.221A is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does S75.221A 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 S75.221A?

S75.221A 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 S75.221A (S75.2) and apply to it just the same.

S75.221A

S75.221A — Major laceration of greater saphenous vein at hip and thigh level, right leg, initial encounter

Billable / specific codeICD-10-CMright

S75.221A is a billable, specific ICD-10-CM code for major laceration of greater saphenous vein at hip and thigh level, right leg, 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 S75

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 inherited from the categories above S75.221A

These are not written on S75.221A, but they bind it: a note on a category applies to every code beneath it. Billing S75.221A with anything listed here is a denial.

Written on S75.2 — Injury of greater saphenous vein at hip and thigh level

greater saphenous vein NOS (S85.3)

Excludes2 inherited from the categories above S75.221A

Also inherited, and the opposite of Excludes1: these conditions are not part of S75.221A, but a patient can have both, so you may code both.

Written on S75 — Injury of blood vessels at hip and thigh level

injury of blood vessels at lower leg level (S85.-)
injury of popliteal artery (S85.0)

Risk adjustment

S75.221A 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

S75.221A 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.

A56697Billing and Coding: Non-Invasive Vascular Studies
A56758Billing and Coding: Non-Invasive Vascular Studies
A57594Billing and Coding: Non-Invasive Peripheral Venous Vascular and Hemodialysis Access Studies

Code history

S75.221A 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 S75.221. If S75.221A is not quite right, the correct code is usually one of these.

Questions about S75.221A

Is S75.221A a billable ICD-10-CM code?: Yes. S75.221A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S75.221A 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 S75.221A?: S75.221A 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 S75.221A (S75.2) and apply to it just the same.