M40
Non-billableKyphosis and lordosis
Kyphosis and lordosis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Block
M40-M43
Child Codes
6
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Code First
The underlying condition must be sequenced before this code
- underlying disease
Child Codes (6)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code M40?
ICD-10-CM code M40 represents "Kyphosis and lordosis". It is a non-billable header code — use a more specific child code for billing purposes.
Is M40 a billable code?
No, M40 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under M40.
What chapter is M40 in?
M40 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M40?
M40 has Excludes1 notes indicating codes that cannot be used together with it, including: congenital kyphosis and lordosis (Q76.4); kyphoscoliosis (M41.-); postprocedural kyphosis and lordosis (M96.-).
What are the subcategories under M40?
M40 has 6 child codes, including: M40.0 (Postural kyphosis), M40.1 (Other secondary kyphosis), M40.2 (Other and unspecified kyphosis), M40.3 (Flatback syndrome), and 2 more.
What are the UMLS CUIs for M40?
M40 is linked to 1 UMLS Concept Unique Identifier: C0494955. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.