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S12.111

Posterior displaced Type II dens fracture

Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 9 never code together
S10-S19block
Excludes2
  • burns and corrosions (T20-T32)T20-T32
  • effects of foreign body in esophagus (T18.1)T18.1
  • effects of foreign body in larynx (T17.3)T17.3
  • effects of foreign body in pharynx (T17.2)T17.2
  • effects of foreign body in trachea (T17.4)T17.4
  • frostbite (T33-T34)T33-T34
  • insect bite or sting, venomous (T63.4)T63.4
S00-T88chapter
Excludes2

Excludes2 — not included here, but the patient may have both. Code both when documented.

7th character 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
Instructional notes 16
S12code
Notes
  • A fracture not indicated as displaced or nondisplaced should be coded to displaced
  • A fracture not indicated as open or closed should be coded to closed
Includes
  • fracture of cervical neural arch
  • fracture of cervical spine
  • fracture of cervical spinous process
  • fracture of cervical transverse process
  • fracture of cervical vertebral arch
  • fracture of neck
Code first
  • any associated cervical spinal cord injury (S14.0, S14.1-)S14.0S14.1-
S12.1code
Inclusion terms
  • Axis
S10-S19block
Includes
  • injuries of nape
  • injuries of supraclavicular region
  • injuries of throat
S00-T88chapter
Notes
  • 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
  • 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.
Use additional code
  • code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here 1
  • Fracture, traumatic (abduction) (adduction) (separation) T14.8
Alongside this code 2 same parent — S12.11
S12.110 Anterior displaced Type II dens fracture category S12.112 Nondisplaced Type II dens fracture category
Subordinate codes 6
S12.111A Posterior displaced Type II dens fracture, init for clos fx S12.111B Posterior displaced Type II dens fracture, init for opn fx S12.111D Post displ Type II dens fracture, subs for fx w routn heal S12.111G Post displ Type II dens fracture, subs for fx w delay heal S12.111K Post displ Type II dens fracture, subs for fx w nonunion S12.111S Posterior displaced Type II dens fracture, sequela
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
no
Code set
FY2026
Parent
S12.11
Block
S10-S19
Siblings
2
Subordinate
6

Present FY2024–FY2027.