M46.8

Other specified inflammatory spondylopathies

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.

Excludes2

M46.8 is a non-billable ICD-10-CM code header for other specified inflammatory spondylopathies. 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 M46.80 Other specified inflammatory spondylopathies, site unspecified; M46.81 Other specified inflammatory spondylopathies, occipito-atlanto-axial region; M46.82 Other specified inflammatory spondylopathies, cervical region; M46.83 Other specified inflammatory spondylopathies, cervicothoracic region and 6 more. Its coding notes include 10 Excludes2 entries.

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)

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 M46.8 10