S12.44XS ICD-10-CM Code: Type III traumatic spondylolisthesis of fifth cervical vertebra, sequela
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Coding at a Glance
- 7th character
- Required — see the character table on this page
- Tabular directives
- 9 inclusion terms · 7 Excludes2 · 1 code-first instruction
Inpatient Payment Groups (MS-DRG)
Potential MS-DRG participation — not a DRG assignment.
MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43, Appendix B.
- MS-DRG 551 — MEDICAL BACK PROBLEMS WITH MCC (MDC 08)
- MS-DRG 552 — MEDICAL BACK PROBLEMS WITHOUT MCC (MDC 08)
A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.
Coding instructions
Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for S12.44XS in the official ICD-10-CM tabular list, quoted as published.
Notes without a marker are published on S12.44XS itself; “inherited from” names the category or block whose note applies here.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- fracture of cervical neural arch inherited from S12
- fracture of cervical spine inherited from S12
- fracture of cervical spinous process inherited from S12
- fracture of cervical transverse process inherited from S12
- fracture of cervical vertebral arch inherited from S12
- fracture of neck inherited from S12
- injuries of nape inherited from S10-S19
- injuries of supraclavicular region inherited from S10-S19
- injuries of throat inherited from S10-S19
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- burns and corrosions (T20-T32) Compare S12.44XS vs T20 →
- effects of foreign body in esophagus (T18.1) Compare S12.44XS vs T18.1 →
- effects of foreign body in larynx (T17.3) Compare S12.44XS vs T17.3 →
- effects of foreign body in pharynx (T17.2) Compare S12.44XS vs T17.2 →
- effects of foreign body in trachea (T17.4) Compare S12.44XS vs T17.4 →
- frostbite (T33-T34) Compare S12.44XS vs T33 →
- insect bite or sting, venomous (T63.4) Compare S12.44XS vs T63.4 →
Source: inherited from S10-S19
7th Character Guide
"The appropriate 7th character is to be added to all codes from subcategories S12.0-S12.6"
- 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 (this page’s code)
How the encounter character is assigned. “Initial encounter” means the patient is receiving active treatment for the condition — it is not limited to the first visit, and a different or new provider giving active treatment still assigns it. “Subsequent encounter” covers care during the healing or recovery phase after active treatment. “Sequela” is for complications or conditions that arise as a direct result of the original condition.
ICD-10-CM Official Guidelines for Coding and Reporting, Section I.C.19.a (paraphrased by MedCoder).
Variant codes in this family
S12.44XA, S12.44XB, S12.44XD, S12.44XG, S12.44XK, S12.44XS
Character meanings are CMS's official 7th-character extensions for this family, as carried in each variant code's official description; variant codes are registry rows. The explanation of how the encounter character is assigned is MedCoder editorial, distinct from the official content above it.
Code Overview
MedCoder summary Summary composed by MedCoder from this code's official ICD-10-CM record. The tabular instructional notes themselves appear verbatim below.
Official Coding Guidelines
Verbatim excerpts from the ICD-10-CM Official Guidelines for Coding and Reporting (CMS/NCHS) that govern this code.
Chapter 19: Injury, poisoning, and certain other consequences of external causes (S00-T88)
c. Coding of Traumatic Fractures The principles of multiple coding of injuries should be followed in coding fractures. Fractures of specified sites are coded individually by site in accordance with both the provisions within categories S02, S12, S22, S32, S42, S49, S52, S59, S62, S72, S79, S82, S89, S92 and the level of detail furnished by medical record content.
Decision Points
The directives on this code's own record, as a pre-claim checklist.
- A 7th character applies in this family. Confirm the documented encounter matches the character assigned. See the official 7th-character definitions and this code’s variants
- Sequencing: 1 Code First instruction — the underlying condition is sequenced before this code when present. See the Code First notes
- 7 Excludes2 entries — those conditions are not part of this code and may be reported additionally when documented. See the Excludes2 notes
Checklist rows are derived from this code's own official directives; the wording of each check is MedCoder editorial. The official notes themselves are in the sections each row links to.
Verify Before Coding
- No Medicare Code Editor or MS-DRG Definitions Manual restrictions apply to this code.
From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim in Claim Check.
Relationships & Classification
Other codes that name S12.44XS or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.
Referenced by 4 Excludes1 notes: M48.4 — Fatigue fracture of vertebra (via S12.-), M48.5 — Collapsed vertebra, not elsewhere classified (via S12.-), M84.3 — Stress fracture (via S12.-), M84.4 — Pathological fracture, not elsewhere classified (via S12.-).
These codes’ tabular lists mark this diagnosis as mutually exclusive — not reported together unless the conditions are documented as unrelated.
Referenced by 3 Excludes2 notes: S11 — Open wound of neck (via S12.-), S13.1 — Subluxation and dislocation of cervical vertebrae (via S12.-), S27 — Injury of other and unspecified intrathoracic organs (via S12.-).
These codes’ tabular lists name this diagnosis as distinct — both may be reported when both are documented.
Referenced by 1 Use Additional Code instruction: T71.16 — Asphyxiation due to hanging (via S12.-).
These codes instruct coders to additionally report this code when it applies.
MS-DRG Grouper Relationships (FY2026)
Not on the CMS CC/MCC list — as a secondary diagnosis this code does not change MS-DRG severity.
Potential MS-DRG participation — not a DRG assignment.
Named in the grouper logic of 2 MS-DRGs: DRG 551 (MDC 08), DRG 552 (MDC 08).
From the CMS MS-DRG Definitions Manual (Appendices B and C). Actual DRG assignment depends on the complete claim.
Clinical classification (AHRQ CCSR):INJ073 — Injury, sequela (default).
Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.
Related Codes
Same injury, other encounter phase
Same injury, coded at a different phase of treatment via the 7th character.
S12.44XA — Type III traumatic spondylolisthesis of fifth cervical vertebra, initial encounter for closed fractureCompare S12.44XS vs S12.44XA →, S12.44XB — Type III traumatic spondylolisthesis of fifth cervical vertebra, initial encounter for open fracture, S12.44XD — Type III traumatic spondylolisthesis of fifth cervical vertebra, subsequent encounter for fracture with routine healing, S12.44XG — Type III traumatic spondylolisthesis of fifth cervical vertebra, subsequent encounter for fracture with delayed healing, S12.44XK — Type III traumatic spondylolisthesis of fifth cervical vertebra, subsequent encounter for fracture with nonunion
Same clinical category (CCSR)
AHRQ's Clinical Classifications Software groups these diagnoses under the same clinical category (Injury, sequela).
Contextual Map
Every relationship of S12.44XS in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Run S12.44XS with these 8 related codes in Claim Check
Hierarchy
- S00-T88 — Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) (S00-T88)[Hierarchy]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- S10-S19 — Injuries to the neck[Hierarchy]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
Referenced by Excludes1 notes
- M48.4 — Fatigue fracture of vertebra[Excludes1](via S12.-): “traumatic fracture of vertebrae (S12.0-S12.3-, S22.0-, S32.0-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- M48.5 — Collapsed vertebra, not elsewhere classified[Excludes1](via S12.-): “traumatic fracture of vertebra (S12.-, S22.-, S32.-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- M84.3 — Stress fracture[Excludes1](via S12.-): “traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- M84.4 — Pathological fracture, not elsewhere classified[Excludes1](via S12.-): “traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
Referenced by Excludes2 notes
- S11 — Open wound of neck[Excludes2](via S12.-): “open fracture of vertebra (S12.- with 7th character B)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- S13.1 — Subluxation and dislocation of cervical vertebrae[Excludes2](via S12.-): “fracture of cervical vertebrae (S12.0-S12.3-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- S27 — Injury of other and unspecified intrathoracic organs[Excludes2](via S12.-): “injury of cervical esophagus (S10-S19)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
Referenced by Use Additional Code instructions
- T71.16 — Asphyxiation due to hanging[Use Additional Code](via S12.-): “fracture of cervical vertebrae (S12.0-S12.2-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
Clinical classification (CCSR)
- INJ073 — Injury, sequela[CCSR]— AHRQ CCSR for ICD-10-CM Diagnoses (HCUP)
MS-DRG Grouper
- DRG 551 — MEDICAL BACK PROBLEMS WITH MCC[MS-DRG]: “MEDICAL BACK PROBLEMS WITH MCC (MDC 08)”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
- DRG 552 — MEDICAL BACK PROBLEMS WITHOUT MCC[MS-DRG]: “MEDICAL BACK PROBLEMS WITHOUT MCC (MDC 08)”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
MDC crossing
- MDC 08 — Diseases and Disorders of the Musculoskeletal System and Connective Tissue[MDC crossing]: “Diseases and Disorders of the Musculoskeletal System and Connective Tissue — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs. 18,508 same-MDC procedures group here; browse them on the MDC page.”— CMS MS-DRG Definitions Manual · FY2026
Nearest codes (40)
- S12 — Fracture of cervical vertebra and other parts of neck[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- S12.430 — Unspecified traumatic displaced spondylolisthesis of fifth cervical vertebra[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- S12.430A — Unspecified traumatic displaced spondylolisthesis of fifth cervical vertebra, initial encounter for closed fracture[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- S12.430B — Unspecified traumatic displaced spondylolisthesis of fifth cervical vertebra, initial encounter for open fracture[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- S12.430D — Unspecified traumatic displaced spondylolisthesis of fifth cervical vertebra, subsequent encounter for fracture with routine healing[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- S12.430G — Unspecified traumatic displaced spondylolisthesis of fifth cervical vertebra, subsequent encounter for fracture with delayed healing[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- S12.430K — Unspecified traumatic displaced spondylolisthesis of fifth cervical vertebra, subsequent encounter for fracture with nonunion[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- S12.430S — Unspecified traumatic displaced spondylolisthesis of fifth cervical vertebra, sequela[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- and 32 more
Change history
- FY2016 — In the code set at ICD-10-CM adoption [Change history]— CMS release files (code change ledger) · icd10cm-fy2016
Common coding questions
Does S12.44XS require a 7th character?
Yes. The appropriate 7th character is to be added to all codes from subcategories S12.0-S12.6.
Sources for this page
Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.
- Code, title, tabular notes and index terms Official source data
- CMS/CDC ICD-10-CM FY2026 tabular list, index and tables, effective October 1, 2025 Release, file and checksum · Publisher’s page
- Coding guidelines Official source data
- ICD-10-CM Official Guidelines for Coding and Reporting (FY2026), quoted by section Release, file and checksum · Publisher’s page
- Claim edits Official source data
- CMS Definitions of Medicare Code Edits — v43.1 (April 2026) Release, file and checksum · Publisher’s page
- Inpatient payment groups Official source data
- CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v43 Release, file and checksum · Publisher’s page
- Change history and date-of-service validity Official source data
- CMS ICD-10-CM release addenda, ingested release by release into the change ledger Release, file and checksum · Publisher’s page
- Comparisons, relationships and the contextual map MedCoder structured relationship
- Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
- Summary and FAQ answers MedCoder explanation
- Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.
Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates
Change history
- FY2016 — October 1, 2015In the code set at ICD-10-CM adoptionType III traumatic spondylolisthesis of fifth cervical vertebra, sequela
No changes since FY2016 — additions, deletions, description changes and billable-status changes are tracked through FY2027 (effective October 1, 2026), and none are recorded for this code. Note changes are tracked from FY2027 only.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to S12.44XS in its code family, with their registry titles.
- S12.44XA — Type III traumatic spondylolisthesis of fifth cervical vertebra, initial encounter for closed fracture
- S12.44XB — Type III traumatic spondylolisthesis of fifth cervical vertebra, initial encounter for open fracture
- S12.44XD — Type III traumatic spondylolisthesis of fifth cervical vertebra, subsequent encounter for fracture with routine healing
- S12.44XG — Type III traumatic spondylolisthesis of fifth cervical vertebra, subsequent encounter for fracture with delayed healing
- S12.44XK — Type III traumatic spondylolisthesis of fifth cervical vertebra, subsequent encounter for fracture with nonunion
- S12.45 — Other traumatic spondylolisthesis of fifth cervical vertebra
- S12.450 — Other traumatic displaced spondylolisthesis of fifth cervical vertebra
- S12.450A — Other traumatic displaced spondylolisthesis of fifth cervical vertebra, initial encounter for closed fracture
- S12.450B — Other traumatic displaced spondylolisthesis of fifth cervical vertebra, initial encounter for open fracture
- S12.450D — Other traumatic displaced spondylolisthesis of fifth cervical vertebra, subsequent encounter for fracture with routine healing