ICDcodes.org
FY2027

S13.12 — Subluxation and dislocation of C1/C2 cervical vertebrae

Not billable

Is S13.12 billable?

No — S13.12 is a non-billable header code. S13.12 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 6 billable codes beneath S13.12.

S13.12 at a glance

CodeS13.12
DescriptionSubluxation and dislocation of C1/C2 cervical vertebrae
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Inclusion terms

Alternative wording in documentation that is classified to S13.12.

  • Subluxation and dislocation of atlantoaxial joint

Use additional code — inherited from Chapter 19

Report an additional code alongside S13.12 to fully describe the condition. S13.12 is sequenced first.

  • code to identify any retained foreign body, if applicable (Z18.-)

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of S13.12, but a patient may have both at the same time. When documentation supports it, S13.12 and the excluded code may both be reported.

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)

Excludes2 — not included here — inherited from S10-S19

The conditions below are not part of S13.12, but a patient may have both at the same time. When documentation supports it, S13.12 and the excluded code may both be reported.

  • burns and corrosions (T20-T32)
  • effects of foreign body in esophagus (T18.1)
  • effects of foreign body in larynx (T17.3)
  • effects of foreign body in pharynx (T17.2)
  • effects of foreign body in trachea (T17.4)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)

Excludes2 — not included here — inherited from S13

The conditions below are not part of S13.12, but a patient may have both at the same time. When documentation supports it, S13.12 and the excluded code may both be reported.

  • strain of muscle or tendon at neck level (S16.1)

Excludes2 — not included here — inherited from S13.1

The conditions below are not part of S13.12, but a patient may have both at the same time. When documentation supports it, S13.12 and the excluded code may both be reported.

  • fracture of cervical vertebrae (S12.0-S12.3-)

Code also — inherited from S13

Two codes may be needed to describe the condition fully. Whether S13.12 is sequenced first depends on the reason for the encounter.

  • any associated open wound

Code also — inherited from S13.1

Two codes may be needed to describe the condition fully. Whether S13.12 is sequenced first depends on the reason for the encounter.

  • any associated:
  • open wound of neck (S11.-)
  • spinal cord injury (S14.1-)

What codes fall under S13.12? (2)

How long has S13.12 existed?

S13.12 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

What other codes are in the S13.1 family? (8)