S12.121 Other nondisplaced dens fracture

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Other nondisplaced dens fracture is S12.121 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
S10-S19: Injuries to the neck (S10-S19)
Category S12
109 codes (71 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to S12.121:

  • Fracture, traumatic (abduction) (adduction) (separation) › neck › cervical vertebra › second (displaced) › dens (anterior) (displaced) (type II) › specified type NEC (displaced) › nondisplaced

Official Coding Guidelines

Sequence blood vessel/nerve injury first (fragment)

injury is to the blood vessels or nerves, that injury should be sequenced first.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.2
Do not assign injury codes for iatrogenic injuries; code complication

3) Iatrogenic injuries Injury codes from Chapter 19 should not be assigned for injuries that occur during, or as a result of, a medical intervention. Assign the appropriate complication code(s).

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.3

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

S12 Fracture of cervical vertebra and other parts of neck

Related Codes in S12

S12 Fracture of cervical vertebra and other parts of neck S12.0 Fracture of first cervical vertebra S12.00 Unspecified fracture of first cervical vertebra S12.000 Unspecified displaced fracture of first cervical vertebra S12.001 Unspecified nondisplaced fracture of first cervical vertebra S12.01 Stable burst fracture of first cervical vertebra S12.02 Unstable burst fracture of first cervical vertebra S12.03 Posterior arch fracture of first cervical vertebra S12.030 Displaced posterior arch fracture of first cervical vertebra S12.031 Nondisplaced posterior arch fracture of first cervical vertebra S12.04 Lateral mass fracture of first cervical vertebra S12.040 Displaced lateral mass fracture of first cervical vertebra S12.041 Nondisplaced lateral mass fracture of first cervical vertebra S12.09 Other fracture of first cervical vertebra S12.090 Other displaced fracture of first cervical vertebra S12.091 Other nondisplaced fracture of first cervical vertebra S12.1 Fracture of second cervical vertebra S12.10 Unspecified fracture of second cervical vertebra S12.100 Unspecified displaced fracture of second cervical vertebra S12.101 Unspecified nondisplaced fracture of second cervical vertebra
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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