M49.8

Spondylopathy in diseases classified elsewhere

FY2027Chapter 13: Diseases of the musculoskeletal system and connective tissue/M45–M49 Spondylopathies

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

M49.8 is a non-billable ICD-10-CM code header for spondylopathy in diseases classified elsewhere. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are M49.80 Spondylopathy in diseases classified elsewhere, site unspecified; M49.81 Spondylopathy in diseases classified elsewhere, occipito-atlanto-axial region; M49.82 Spondylopathy in diseases classified elsewhere, cervical region; M49.83 Spondylopathy in diseases classified elsewhere, cervicothoracic region and 6 more. Its coding notes include a Code first instruction, 10 Excludes1 entries and 10 Excludes2 entries.

Code first

If the underlying condition listed here is present and known, sequence it first.

Inherited from M49 Spondylopathies in diseases classified elsewhere
  • underlying disease, such as:
    • brucellosis (A23.-)
    • Charcot-Marie-Tooth disease (G60.0)
    • enterobacterial infections (A01-A04)
    • osteitis fibrosa cystica (E21.0)

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from M49 Spondylopathies in diseases classified elsewhere
  • curvature of spine in tuberculosis [Pott's] (A18.01)
  • enteropathic arthropathies (M07.-)
  • gonococcal spondylitis (A54.41)
  • neuropathic [tabes dorsalis] spondylitis (A52.11)
  • neuropathic spondylopathy in syringomyelia (G95.0)
  • neuropathic spondylopathy in tabes dorsalis (A52.11)
  • nonsyphilitic neuropathic spondylopathy NEC (G98.0)
  • spondylitis in syphilis (acquired) (A52.77)
  • tuberculous spondylitis (A18.01)
  • typhoid fever spondylitis (A01.05)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (10 notes)
Inherited from Chapter 13 Diseases of the musculoskeletal system and connective tissue
  • 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)

Includes

Further defines or gives examples of the content of the category.

Inherited from M49 Spondylopathies in diseases classified elsewhere
  • curvature of spine in diseases classified elsewhere
  • deformity of spine in diseases classified elsewhere
  • kyphosis in diseases classified elsewhere
  • scoliosis in diseases classified elsewhere
  • spondylopathy in diseases classified elsewhere

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 13 Diseases of the musculoskeletal system and connective tissue
  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

More specific codes under M49.8 10