Block · Chapter 13

M45-M49 Spondylopathies (M45-M49)

Block M45-M49 groups 5 categories with 264 billable codes in FY2027.

Where it sits

Neighbouring blocks

Categories in M45-M49

M45
Ankylosing spondylitis
Spondylitis (chronic)ankylosing (chronic) → M45.9
- 20 billable codes
- 20 with HCC
M46
Other inflammatory spondylopathies
Sacroiliitis NEC → M46.1
- 70 billable codes
- 19 CC
- 19 with HCC
M47
Spondylosis
Spondylosis → M47.9
- 45 billable codes
- 17 CC
M48
Other spondylopathies
Kissing spine → M48.20
- 119 billable codes
- 18 CC
- 18 with HCC
M49
Spondylopathies in diseases classified elsewhere
–
- 10 billable codes

Spondylopathy → M46, M48 (41 entries)
Spondylosis → M47 (36 entries)
Collapse → M48 (18 entries)
Spondylitis (chronic) → M45, M46 (12 entries)
Syndrome → M47 (12 entries)
Stenosis, stenotic (cicatricial) → M48 (11 entries)
Discitis, diskitis → M46 (10 entries)
Enthesopathy (peripheral) → M46 (10 entries)
Hyperostosis (monomelic) → M48 (10 entries)
Infection, infected, infective (opportunistic) → M46 (10 entries)
Spondyloarthritis → M45 (10 entries)
Fracture, traumatic (abduction) (adduction) (separation) → M48 (9 entries)
Osteomyelitis (general) (infective) (localized) (neonatal) (purulent) (septic) (staphylococcal) (streptococcal) (suppurative) (with periostitis) → M46 (9 entries)
Kissing spine → M48 (8 entries)
Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) → M46 (1 entry)

+10 more main terms; the search box finds them by word.

Chapter 13 instructions (Notes 1, Excludes2 10): printed on the chapter 13 page.