ICD-10 · PDGM grouping
M49 Spondylopathies in diseases classified elsewhere
All 10 codes in the M49 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
10
Can lead a claim
0
Cannot lead a claim
10
What CMS assigns to M49
None of the 10 codes is assigned a clinical group. None of the 10 is assigned a comorbidity subgroup. None can lead a claim. CMS attaches a code-first note to all 10.
Code first
CMS grouper convention 124, on all 10 codes. Code first:
- Charcot-Marie-Tooth disease (G60.0)
- brucellosis (A23.-)
- enterobacterial infections (A01-A04)
- osteitis fibrosa cystica (E21.0)
- underlying disease, such as:
Every code in M49
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| M49.8 Spondylopathy in diseases classified elsewhere | ||||
| M49.80 | Spondylopathy in diseases classified elsewhere, site unspecifiedCMS: Spondylopathy in diseases classified elsewhere, site unsp | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
| M49.81 | Spondylopathy in diseases classified elsewhere, occipito-atlanto-axial regionCMS: Spond in diseases classd elswhr, occipt-atlan-ax region | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
| M49.82 | Spondylopathy in diseases classified elsewhere, cervical regionCMS: Spondylopathy in diseases classd elswhr, cervical region | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
| M49.83 | Spondylopathy in diseases classified elsewhere, cervicothoracic regionCMS: Spondylopathy in diseases classd elswhr, cervicothor region | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
| M49.84 | Spondylopathy in diseases classified elsewhere, thoracic regionCMS: Spondylopathy in diseases classd elswhr, thoracic region | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
| M49.85 | Spondylopathy in diseases classified elsewhere, thoracolumbar regionCMS: Spond in diseases classd elswhr, thoracolumbar region | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
| M49.86 | Spondylopathy in diseases classified elsewhere, lumbar regionCMS: Spondylopathy in diseases classd elswhr, lumbar region | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
| M49.87 | Spondylopathy in diseases classified elsewhere, lumbosacral regionCMS: Spondylopathy in diseases classd elswhr, lumbosacral region | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
| M49.88 | Spondylopathy in diseases classified elsewhere, sacral and sacrococcygeal regionCMS: Spond in diseases classd elswhr, sacr/sacrocygl region | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
| M49.89 | Spondylopathy in diseases classified elsewhere, multiple sites in spineCMS: Spond in diseases classd elswhr, multiple sites in spine | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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