MCMedicalCodingSoftware
S12.250K

S12.250K: Other traumatic displaced spondylolisthesis of third cervical vertebra, subsequent encounter for fracture with nonunion

Billable / specific codeICD-10-CMPOA exempt

S12.250K is a billable, specific ICD-10-CM code for other traumatic displaced spondylolisthesis of third cervical vertebra, subsequent encounter for fracture with nonunion. It is valid for submission on a claim.

Check S12.250K with the rest of the claim: free scrubber

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

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

Other codes that can never be billed with S12.250K

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.

Medicare coverage

S12.250K is named in 11 Medicare coverage policies: 11 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A53058Billing and Coding: Home Health Physical Therapy
  • A53065Billing and Coding: Outpatient Physical Therapy
  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck
  • A57311Billing and Coding: Physical Therapy - Home Health

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under S12.250

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.