Is S22.5XXA a billable ICD-10-CM code?

Yes. S22.5XXA is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does S22.5XXA sit in the tabular list?

Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the thorax (S20-S29).

S22.5XXA

S22.5XXA — Flail chest, initial encounter for closed fracture

Billable / specific codeICD-10-CM

S22.5XXA is a billable, specific ICD-10-CM code for flail chest, initial encounter for closed fracture. It is valid for submission on a claim.

7th character "A" — initial encounter for closed fracture

The appropriate 7th character is to be added to each code from category S22

A: initial encounter for closed fracture
B: initial encounter for open fracture
D: subsequent encounter for fracture with routine healing
G: subsequent encounter for fracture with delayed healing
K: subsequent encounter for fracture with nonunion
S: sequela

Risk adjustment

S22.5XXA 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

S22.5XXA is named in 9 Medicare coverage policies — 9 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
A56625Billing and Coding: Echocardiography
A56625Billing and Coding: Echocardiography
A56625Billing and Coding: Echocardiography

Related codes at this level

Codes that share S22.5. If S22.5XXA is not quite right, the correct code is usually one of these.

Questions about S22.5XXA

Is S22.5XXA a billable ICD-10-CM code?: Yes. S22.5XXA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S22.5XXA sit in the tabular list?: Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the thorax (S20-S29).