M43.5 ICD-10-CM Code: Other recurrent vertebral dislocation
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Coding at a Glance
- Tabular directives
- 9 Excludes1
Coding instructions
Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for M43.5 in the official ICD-10-CM tabular list, quoted as published.
Source: CMS/CDC — ICD-10-CM Tabular ListRelease: FY2026Effective: October 1, 2025
Notes without a marker are published on M43.5 itself; “inherited from” names the category or block whose note applies here.
Excludes1 — Not Coded Here
Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
- biomechanical lesions NEC (M99.-) Compare M43.5 vs M99 →
- congenital spondylolysis and spondylolisthesis (Q76.2) inherited from M43Compare M43.5 vs Q76.2 →
- hemivertebra (Q76.3-Q76.4) inherited from M43Compare M43.5 vs Q76.3 →
- Klippel-Feil syndrome (Q76.1) inherited from M43Compare M43.5 vs Q76.1 →
- lumbarization and sacralization (Q76.4) inherited from M43Compare M43.5 vs Q76.4 →
- platyspondylisis (Q76.4) inherited from M43Compare M43.5 vs Q76.4 →
- spina bifida occulta (Q76.0) inherited from M43Compare M43.5 vs Q76.0 →
- spinal curvature in osteoporosis (M80.-) inherited from M43Compare M43.5 vs M80 →
- spinal curvature in Paget's disease of bone osteitis deformans
Coder workflow for M43.5
MedCoder structured workflow — derived from this code’s own official record
Before you code M43.5
- M43.5 is not reportable as written. Select the more specific code beneath it that the documentation supports. Codes are reported to the highest level of specificity the classification provides (Guidelines I.B.2).
ReviewM43.5X
See the relationships section · Guide: How to choose an ICD-10-CM code →
- “Other” (NEC) means the condition is specified in the record but no dedicated code captures it. Confirm the documented form is not one a sibling code names before settling on M43.5; if the record states no specifics at all, the unspecified sibling applies instead. “Other” codes are for documented conditions the classification gives no specific code; “unspecified” codes are for records lacking the detail (Guidelines I.A.9.a, I.A.9.b).
See the relationships section · Guide: Other vs unspecified (NEC vs NOS) →
- Check the Excludes1 note: if the documentation supports a condition named there, do not simply proceed with M43.5. Excludes1 conditions are not reported together with this code unless the record shows they are unrelated (Guidelines I.A.12.a).
Choose the right path
- Does the documentation support one of the more specific codes beneath M43.5?
Yes → Select that code and continue the checks below on its own page.
No → M43.5 cannot be reported as written; query for the specificity its subcategory needs.ReviewM43.5X
- Does the documentation support a condition named in M43.5’s Excludes1 note?
Yes → Do not simply proceed: review the excluded code. Both are reported only when the record shows the two conditions are unrelated.
No → Continue.
Consider M43.5. Then confirm the code is valid for the date of service in the Verify section.
Documentation check
- The provider’s diagnostic statement
- Codes are assigned from the provider’s documented diagnosis, not from clinical criteria, test values or a medication list (Guidelines I.A.19).
- Any detail beyond this code’s title
- What the record states that a more specific sibling code would capture — or its absence, which itself supports the unspecified code.
Official instructions as workflow
Excludes1 — check before selecting M43.5(9 notes)
Coding workflow: If the documentation supports a condition named in this note, do not simply proceed with M43.5: the two are not reported together. The one exception is when the record shows the two conditions are unrelated to each other.
CompareM99, Q76.2, Q76.1, Q76.4, Q76.0, M80
See the official tabular notes · Guidelines I.A.12.a
Coding decision scenarios
Pattern scenarios for this code’s structure — decision rules, not clinical cases
Documentation: Both the condition M43.5 describes and a condition named in its Excludes1 note are documented for the same encounter.
Coding question: Can both codes be reported?
Path: Review the Excludes1 note and the excluded code, and look for a provider statement on whether the two conditions are related.
Reason: Excludes1 means the two are not coded together; the exception is when the record shows the conditions are unrelated to each other (Guidelines I.A.12.a).
Every row is derived from this code’s own record — its title, tabular notes, 7th-character family and same-category siblings — with fixed MedCoder wording; nothing is inferred about a patient. The official notes and guideline text are in the sections each row links to, and they control.
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.
Indexed Clinical Terms (1)
Official source data — entries quoted as published, in the Index’s own lookup phrasing
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code. These are alphabetic-index entries shown as the Index writes them — lookup phrasing, not necessarily the wording of a final diagnosis.
Verify Before Coding
- Not billable as written — a more specific code is required: M43.5X2, M43.5X3, M43.5X4, M43.5X5, M43.5X6.
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
MedCoder structured relationships — computed from published CMS and AHRQ datasets
Other codes that name M43.5 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 1 Excludes1 note: M47.1 — Other spondylosis with myelopathy.
These codes’ tabular lists mark this diagnosis as mutually exclusive — not reported together unless the conditions are documented as unrelated.
Referenced by 9 Excludes2 notes: M20 — Acquired deformities of fingers and toes (via M43.-), M20-M25 — Other joint disorders (M20-M25) (via M43.-), M21 — Other acquired deformities of limbs (via M43.-), M22 — Disorder of patella (via M43.-), M23 — Internal derangement of knee (via M43.-), M24 — Other specific joint derangements (via M43.-), M24.4 — Recurrent dislocation of joint, M25 — Other joint disorder, not elsewhere classified (via M43.-), M95 — Other acquired deformities of musculoskeletal system and connective tissue (via M43.-).
These codes’ tabular lists name this diagnosis as distinct — both may be reported when both are documented.
Related Codes
Same Index main term, other category
The ICD-10-CM Index to Diseases and Injuries files this code under the main term “Dislocation”; these codes share that main term but sit in a different category of the Tabular List.
M24.40 — Recurrent dislocation, unspecified joint (recurrent), M24.41 — Recurrent dislocation, shoulder (recurrent, shoulder), M24.42 — Recurrent dislocation, elbow (recurrent, elbow), M24.43 — Recurrent dislocation, wrist (recurrent, wrist), M24.44 — Recurrent dislocation, hand and finger(s) (recurrent, finger), M24.45 — Recurrent dislocation, hip (recurrent, hip), M24.46 — Recurrent dislocation, knee (recurrent, knee), M24.47 — Recurrent dislocation, ankle, foot and toes (recurrent, toe), M24.49 — Recurrent dislocation, other specified joint (recurrent, specified site NEC), M24.85 — Other specific joint derangements of hip, not elsewhere classified (hip, developmental), P11.5 — Birth injury to spine and spinal cord (spine, due to birth trauma), Q12.1 — Congenital displaced lens (lens, congenital), Q65.0 — Congenital dislocation of hip, unilateral (hip, congenital, unilateral), Q65.1 — Congenital dislocation of hip, bilateral (hip, congenital, bilateral), Q65.2 — Congenital dislocation of hip, unspecified (hip, congenital), Q65.3 — Congenital partial dislocation of hip, unilateral (hip, congenital, partial, unilateral), Q65.4 — Congenital partial dislocation of hip, bilateral (hip, congenital, partial, bilateral), Q65.5 — Congenital partial dislocation of hip, unspecified (hip, congenital, partial), Q68.2 — Congenital deformity of knee (knee, congenital), Q68.8 — Other specified congenital musculoskeletal deformities (congenital NEC), +129 more
Contextual Map
Every relationship of M43.5 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 M43.5 with these 10 related codes in Claim Check
Hierarchy
- M00-M99 — Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) (M00-M99)[Hierarchy]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- M40-M43 — Deforming dorsopathies[Hierarchy]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
Excludes1
- M99 — Biomechanical lesions, not elsewhere classified[Excludes1]: “biomechanical lesions NEC (M99.-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
Referenced by Excludes1 notes
- M47.1 — Other spondylosis with myelopathy[Excludes1]: “vertebral subluxation (M43.3-M43.5X9)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
Referenced by Excludes2 notes (9)
- M20 — Acquired deformities of fingers and toes[Excludes2](via M43.-): “joints of the spine (M40-M54)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- M20-M25 — Other joint disorders (M20-M25)[Excludes2](via M43.-): “joints of the spine (M40-M54)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- M21 — Other acquired deformities of limbs[Excludes2](via M43.-): “joints of the spine (M40-M54)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- M22 — Disorder of patella[Excludes2](via M43.-): “joints of the spine (M40-M54)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- M23 — Internal derangement of knee[Excludes2](via M43.-): “joints of the spine (M40-M54)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- M24 — Other specific joint derangements[Excludes2](via M43.-): “joints of the spine (M40-M54)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- M24.4 — Recurrent dislocation of joint[Excludes2]: “recurrent vertebral dislocation (M43.3-, M43.4, M43.5-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- M25 — Other joint disorder, not elsewhere classified[Excludes2](via M43.-): “joints of the spine (M40-M54)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- and 1 more
Index entries
- Dislocation (articular), recurrent, vertebra[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2026
Nearest codes (40)
- M43 — Other deforming dorsopathies[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- M43.12 — Spondylolisthesis, cervical region[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- M43.13 — Spondylolisthesis, cervicothoracic region[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- M43.14 — Spondylolisthesis, thoracic region[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- M43.15 — Spondylolisthesis, thoracolumbar region[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- M43.16 — Spondylolisthesis, lumbar region[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- M43.17 — Spondylolisthesis, lumbosacral region[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- M43.18 — Spondylolisthesis, sacral and sacrococcygeal region[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
Can M43.5 be billed directly?
No. M43.5 (Other recurrent vertebral dislocation) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
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
- Claim edits Official source data
- CMS Definitions of Medicare Code Edits — v43.1 (April 2026) 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
Cite this page
Reference this page in a research guide, syllabus or article. The release is included because code content changes each year.
MedCoder.ai. "M43.5 — Other recurrent vertebral dislocation." ICD-10-CM FY2026. https://medcoder.ai/icd10/code/m43.5-other-recurrent-vertebral-dislocation
Change history
- FY2016 — October 1, 2015In the code set at ICD-10-CM adoptionOther recurrent vertebral dislocation
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 M43.5 in its code family, with their registry titles.
- M43.26 — Fusion of spine, lumbar region
- M43.27 — Fusion of spine, lumbosacral region
- M43.28 — Fusion of spine, sacral and sacrococcygeal region
- M43.3 — Recurrent atlantoaxial dislocation with myelopathy
- M43.4 — Other recurrent atlantoaxial dislocation
- M43.5X — Other recurrent vertebral dislocation
- M43.5X2 — Other recurrent vertebral dislocation, cervical region
- M43.5X3 — Other recurrent vertebral dislocation, cervicothoracic region
- M43.5X4 — Other recurrent vertebral dislocation, thoracic region
- M43.5X5 — Other recurrent vertebral dislocation, thoracolumbar region