Is S02.19XK a billable ICD-10-CM code?

Yes. S02.19XK is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does S02.19XK sit in the tabular list?

Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the head (S00-S09).

S02.19XK

S02.19XK — Other fracture of base of skull, subsequent encounter for fracture with nonunion

Billable / specific codeICD-10-CMPOA exempt

S02.19XK is a billable, specific ICD-10-CM code for other fracture of base of skull, subsequent encounter for fracture with nonunion. It is valid for submission on a claim.

7th character "K" — subsequent encounter for fracture with nonunion

The appropriate 7th character is to be added to each code from category S02

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

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Fracture of anterior fossa of base of skull
Fracture of ethmoid sinus
Fracture of frontal sinus
Fracture of middle fossa of base of skull
Fracture of posterior fossa of base of skull
Fracture of sphenoid
Fracture of temporal bone

Excludes2 inherited from the categories above S02.19XK

Also inherited, and the opposite of Excludes1: these conditions are not part of S02.19XK, but a patient can have both, so you may code both.

Written on S02.1 — Fracture of base of skull

lateral orbital wall (S02.84-)
medial orbital wall (S02.83-)
orbital floor (S02.3-)

Other codes that can never be billed with S02.19XK

These codes carry an Excludes1 note pointing at S02.19XK. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading S02.19XK alone.

S01Open wound of head

Risk adjustment

S02.19XK 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

S02.19XK is named in 4 Medicare coverage policies — 4 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A53058Billing and Coding: Home Health Physical Therapy
A53065Billing and Coding: Outpatient Physical Therapy
A56612Billing and Coding: CT of the Head
A57204Billing and Coding: MRI and CT Scans of the Head and Neck

Code history

S02.19XK 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 S02.19. If S02.19XK is not quite right, the correct code is usually one of these.

Questions about S02.19XK

Is S02.19XK a billable ICD-10-CM code?: Yes. S02.19XK is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S02.19XK sit in the tabular list?: Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the head (S00-S09).