FY2027 ICD-10-CM reference
S12: Fracture of cervical vertebra and other parts of neck
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Fracture of cervical vertebra and other parts of neck. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Nonbillable heading. Verified against the official FY2027 order file.
More specific FY2027 codes
- S12.0: Fracture of first cervical vertebraNonbillable heading
- S12.1: Fracture of second cervical vertebraNonbillable heading
- S12.2: Fracture of third cervical vertebraNonbillable heading
- S12.3: Fracture of fourth cervical vertebraNonbillable heading
- S12.4: Fracture of fifth cervical vertebraNonbillable heading
- S12.5: Fracture of sixth cervical vertebraNonbillable heading
- S12.6: Fracture of seventh cervical vertebraNonbillable heading
- S12.8: Fracture of other parts of neckNonbillable heading
- S12.9: Fracture of neck, unspecifiedNonbillable heading
FY2027 Tabular instructions
Instructions below include applicable chapter, section and parent-code notes. Each note identifies where it appears in the official source.
Instructional note
Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
Source: S00-T88 (chapter, inherited).
Instructional note
code to identify any retained foreign body, if applicable (Z18.-)
Source: S00-T88 (chapter, inherited).
Excludes2
birth trauma (P10-P15)
Source: S00-T88 (chapter, inherited).
Excludes2
obstetric trauma (O70-O71)
Source: S00-T88 (chapter, inherited).
Instructional note
The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Source: S00-T88 (chapter, inherited).
Includes
injuries of nape
Source: S10-S19 (section, inherited).
Includes
injuries of supraclavicular region
Source: S10-S19 (section, inherited).
Includes
injuries of throat
Source: S10-S19 (section, inherited).
Excludes2
burns and corrosions (T20-T32)
Source: S10-S19 (section, inherited).
Excludes2
effects of foreign body in esophagus (T18.1)
Source: S10-S19 (section, inherited).
Excludes2
effects of foreign body in larynx (T17.3)
Source: S10-S19 (section, inherited).
Excludes2
effects of foreign body in pharynx (T17.2)
Source: S10-S19 (section, inherited).
Excludes2
effects of foreign body in trachea (T17.4)
Source: S10-S19 (section, inherited).
Excludes2
frostbite (T33-T34)
Source: S10-S19 (section, inherited).
Excludes2
insect bite or sting, venomous (T63.4)
Source: S10-S19 (section, inherited).
Instructional note
A fracture not indicated as displaced or nondisplaced should be coded to displaced
Source: S12 (category, direct).
Instructional note
A fracture not indicated as open or closed should be coded to closed
Source: S12 (category, direct).
Includes
fracture of cervical neural arch
Source: S12 (category, direct).
Includes
fracture of cervical spine
Source: S12 (category, direct).
Includes
fracture of cervical spinous process
Source: S12 (category, direct).
Includes
fracture of cervical transverse process
Source: S12 (category, direct).
Includes
fracture of cervical vertebral arch
Source: S12 (category, direct).
Includes
fracture of neck
Source: S12 (category, direct).
Code first
any associated cervical spinal cord injury (S14.0, S14.1-)
Source: S12 (category, direct).
Seventh-character instruction
The appropriate 7th character is to be added to all codes from subcategories S12.0-S12.6
Source: S12 (category, direct).
Instructional note
initial encounter for closed fracture
Source: S12 (category, direct).
Instructional note
initial encounter for open fracture
Source: S12 (category, direct).
Instructional note
subsequent encounter for fracture with routine healing
Source: S12 (category, direct).
Instructional note
subsequent encounter for fracture with delayed healing
Source: S12 (category, direct).
Instructional note
subsequent encounter for fracture with nonunion
Source: S12 (category, direct).
Instructional note
sequela
Source: S12 (category, direct).
Seventh-character definitions
- 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
Compare the FY2027 additions, removals and billable-status changes
What does S12 mean in FY2027?
The official ICD-10-CM descriptor is Fracture of cervical vertebra and other parts of neck. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is S12 billable in FY2027?
The FY2027 order file marks S12 as a nonbillable heading. Select a complete billable child code.
Does S12 map to an HCC?
Risk-model mapping is not applicable to this nonbillable heading. Check a complete billable child code.
Source: CMS FY2027 ICD-10-CM order file. Payment model: CMS CY 2027 Rate Announcement. Read the FY2027 Official Guidelines.
Review the FY2026 April edition