M40

Kyphosis and lordosis

Non-billable header

M40 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes

  • Note: Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

Excludes1

Not coded here — never report together with this code.

  • congenital kyphosis and lordosis (Q76.4)
  • kyphoscoliosis (M41.-)
  • postprocedural kyphosis and lordosis (M96.-)

Excludes2

Not included here — may be reported together when both conditions exist.

  • 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

Sequence the underlying condition first.

  • underlying disease

More specific codes M40

  • M40.0Postural kyphosisHeader
  • M40.1Other secondary kyphosisHeader
  • M40.2Other and unspecified kyphosisHeader
  • M40.3Flatback syndromeHeader
  • M40.4Postural lordosisHeader
  • M40.5Lordosis, unspecifiedHeader

Related codes

  • M41ScoliosisHeader
  • M42Spinal osteochondrosisHeader
  • M43Other deforming dorsopathiesHeader

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