Coding and coverage · ICD-10-CM

M46

M46.0 Spinal enthesopathy

Not billable (header)Chapter 13

Report one of the more specific codes below.

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Codes under this one

  • M46.00 Spinal enthesopathy, site unspecified
  • M46.01 Spinal enthesopathy, occipito-atlanto-axial region
  • M46.02 Spinal enthesopathy, cervical region
  • M46.03 Spinal enthesopathy, cervicothoracic region
  • M46.04 Spinal enthesopathy, thoracic region
  • M46.05 Spinal enthesopathy, thoracolumbar region
  • M46.06 Spinal enthesopathy, lumbar region
  • M46.07 Spinal enthesopathy, lumbosacral region
  • M46.08 Spinal enthesopathy, sacral and sacrococcygeal region
  • M46.09 Spinal enthesopathy, multiple sites in spine

Instructional notes

Chapter 13

Excludes2Not included here: the patient may have both; report both when both are present.
  • 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)
Notes
  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

This code

Inclusion terms
  • Disorder of ligamentous or muscular attachments of spine

Chapter 13: Diseases of the musculoskeletal system and connective tissue · M40-M54 Dorsopathies (M40-M54)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.