M40 ICD-10-CM Code: Kyphosis and lordosis
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
M40Kyphosis and lordosis
ICD-10-CM diagnosis code · United States clinical modification
Where M40 sits
- 1
Chapter 13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
- 2
Section
Deforming dorsopathies (M40-M43)
- 3
Category M40
Kyphosis and lordosis
- 4
Code M40
Kyphosis and lordosis
Codes under M40
M40 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 M40.
Code first
- underlying disease
Use additional code
No “use additional code” instruction is listed for M40.
Excludes1
Conditions that should not be reported together with this code.
- congenital kyphosis and lordosis (Q76.4)
- kyphoscoliosis (M41.-)
- postprocedural kyphosis and lordosis (M96.-)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for M40.
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 M40 mean?
M40 is the FY 2027 U.S. ICD-10-CM code for “Kyphosis and lordosis.”
Is M40 a billable or specific ICD-10-CM code?
No. M40 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 M40 located in ICD-10-CM?
M40 is listed in Chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99), within Deforming dorsopathies (M40-M43) (M40–M43), under category M40, Kyphosis and lordosis.
What coding notes are listed for M40?
No inclusion terms are listed for M40 in this reference record. Code-first instructions: underlying disease. Excludes1 notes: congenital kyphosis and lordosis (Q76.4); kyphoscoliosis (M41.-); postprocedural kyphosis and lordosis (M96.-). No Excludes2 note is listed.