S12.1

S12.1: Fracture of second cervical vertebra

Non-billable headerICD-10-CM

S12.1 is a non-billable header ICD-10-CM code for fracture of second cervical vertebra. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to all codes from subcategories S12.0-S12.6

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.

Axis

Other codes that can never be billed with S12.1

Their own Excludes1 notes name this code, so the conflict is not listed above.

M48.5Collapsed vertebra, not elsewhere classified
M84.3Stress fracture
M84.4Pathological fracture, not elsewhere classified

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead S12.1

7 child codes. Green means billable.