M43 ICD-10-CM Code: Other deforming dorsopathies
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
M43Other deforming dorsopathies
ICD-10-CM diagnosis code · United States clinical modification
Where M43 sits
- 1
Chapter 13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
- 2
Section
Deforming dorsopathies (M40-M43)
- 3
Category M43
Other deforming dorsopathies
- 4
Code M43
Other deforming dorsopathies
Codes under M43
M43 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for M43.
Code first
No “code first” instruction is listed for M43.
Use additional code
No “use additional code” instruction is listed for M43.
Excludes1
Conditions that should not be reported together with this code.
- congenital spondylolysis and spondylolisthesis (Q76.2)
- hemivertebra (Q76.3-Q76.4)
- Klippel-Feil syndrome (Q76.1)
- lumbarization and sacralization (Q76.4)
- platyspondylisis (Q76.4)
- spina bifida occulta (Q76.0)
- spinal curvature in osteoporosis (M80.-)
- spinal curvature in Paget's disease of bone [osteitis deformans] (M88.-)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for M43.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code M43 mean?
M43 is the FY 2027 U.S. ICD-10-CM code for “Other deforming dorsopathies.”
Is M43 a billable or specific ICD-10-CM code?
No. M43 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is M43 located in ICD-10-CM?
M43 is listed in Chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99), within Deforming dorsopathies (M40-M43) (M40–M43), under category M43, Other deforming dorsopathies.
What coding notes are listed for M43?
No inclusion terms are listed for M43 in this reference record. No code-first instruction is listed. Excludes1 notes: congenital spondylolysis and spondylolisthesis (Q76.2); hemivertebra (Q76.3-Q76.4); Klippel-Feil syndrome (Q76.1); lumbarization and sacralization (Q76.4); platyspondylisis (Q76.4); spina bifida occulta (Q76.0); spinal curvature in osteoporosis (M80.-); spinal curvature in Paget's disease of bone [osteitis deformans] (M88.-). No Excludes2 note is listed.