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S13.15

Subluxation and dislocation of C4/C5 cervical vertebrae

Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 11 never code together
S13code
Excludes2
  • strain of muscle or tendon at neck level (S16.1)S16.1
S13.1code
Excludes2
  • fracture of cervical vertebrae (S12.0-S12.3-)S12.0-S12.3
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 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 17
S13.1code
Code also
  • any associated:
  • open wound of neck (S11.-)S11.-
  • spinal cord injury (S14.1-)S14.1-
S13code
Includes
  • avulsion of joint or ligament at neck level
  • laceration of cartilage, joint or ligament at neck level
  • sprain of cartilage, joint or ligament at neck level
  • traumatic hemarthrosis of joint or ligament at neck level
  • traumatic rupture of joint or ligament at neck level
  • traumatic subluxation of joint or ligament at neck level
  • traumatic tear of joint or ligament at neck level
Code also
  • any associated open wound
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 filed at null

No alphabetic index entry points at this code.

Alongside this code 8 same parent — S13.1
S13.10 Subluxation and dislocation of unsp cervical vertebrae category S13.11 Subluxation and dislocation of C0/C1 cervical vertebrae category S13.12 Subluxation and dislocation of C1/C2 cervical vertebrae category S13.13 Subluxation and dislocation of C2/C3 cervical vertebrae category S13.14 Subluxation and dislocation of C3/C4 cervical vertebrae category S13.16 Subluxation and dislocation of C5/C6 cervical vertebrae category S13.17 Subluxation and dislocation of C6/C7 cervical vertebrae category S13.18 Subluxation and dislocation of C7/T1 cervical vertebrae category
Subordinate codes 2
S13.150 Subluxation of C4/C5 cervical vertebrae S13.151 Dislocation of C4/C5 cervical vertebrae
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
S13.1
Block
S10-S19
Siblings
8
Subordinate
2

Present FY2024–FY2027.