M46.40

Discitis, unspecified, site unspecified

Billable / specific

M46.40 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from M46)

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

Excludes2

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

  • arthropathic psoriasis (L40.5-) (from M46)
  • certain conditions originating in the perinatal period (P04-P96) (from M46)
  • certain infectious and parasitic diseases (A00-B99) (from M46)
  • compartment syndrome (traumatic) (T79.A-) (from M46)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from M46)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from M46)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from M46)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from M46)
  • neoplasms (C00-D49) (from M46)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from M46)

Also known as

  • Discitis, diskitis

Parent code

  • M46.4Discitis, unspecifiedHeader

Related codes

  • M46.41Discitis, unspecified, occipito-atlanto-axial regionBillable
  • M46.42Discitis, unspecified, cervical regionBillable
  • M46.43Discitis, unspecified, cervicothoracic regionBillable
  • M46.44Discitis, unspecified, thoracic regionBillable
  • M46.45Discitis, unspecified, thoracolumbar regionBillable
  • M46.46Discitis, unspecified, lumbar regionBillable
  • M46.47Discitis, unspecified, lumbosacral regionBillable
  • M46.48Discitis, unspecified, sacral and sacrococcygeal regionBillable
  • M46.49Discitis, unspecified, multiple sites in spineBillable

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