ICD-10 · PDGM grouping
M47 Spondylosis
All 45 codes in the M47 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.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
45
Can lead a claim
38
Cannot lead a claim
7
What CMS assigns to M47
38 of the 45 codes group to Musculoskeletal Rehabilitation; 7 are assigned no clinical group. None of the 45 is assigned a comorbidity subgroup. 38 of the 45 can lead a claim.
Every code in M47
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 |
|---|---|---|---|---|
| M47.0 Anterior spinal and vertebral artery compression syndromes | ||||
| M47.01 Anterior spinal artery compression syndromes | ||||
| M47.011 | Anterior spinal artery compression syndromes, occipito-atlanto-axial regionCMS: Anterior spinal artery comprsn synd, occipt-atlan-ax region | Can lead a claim | E | None |
| M47.012 | Anterior spinal artery compression syndromes, cervical regionCMS: Anterior spinal artery comprsn syndromes, cervical region | Can lead a claim | E | None |
| M47.013 | Anterior spinal artery compression syndromes, cervicothoracic regionCMS: Anterior spinal artery comprsn syndromes, cervicothor region | Can lead a claim | E | None |
| M47.014 | Anterior spinal artery compression syndromes, thoracic regionCMS: Anterior spinal artery comprsn syndromes, thoracic region | Can lead a claim | E | None |
| M47.015 | Anterior spinal artery compression syndromes, thoracolumbar regionCMS: Anterior spinal artery comprsn syndromes, thoracolum region | Can lead a claim | E | None |
| M47.016 | Anterior spinal artery compression syndromes, lumbar region | Can lead a claim | E | None |
| M47.019 | Anterior spinal artery compression syndromes, site unspecifiedCMS: Anterior spinal artery compression syndromes, site unsp | Cannot lead a claimUnspecified diagnosis code not acceptable as principal diagnosis since there is a more specific code available that would further accurately identify the condition | None | None |
| M47.02 Vertebral artery compression syndromes | ||||
| M47.021 | Vertebral artery compression syndromes, occipito-atlanto-axial regionCMS: Verteb art compression syndromes, occipt-atlan-ax region | Can lead a claim | E | None |
| M47.022 | Vertebral artery compression syndromes, cervical region | Can lead a claim | E | None |
| M47.029 | Vertebral artery compression syndromes, site unspecified | Cannot lead a claimUnspecified diagnosis code not acceptable as principal diagnosis since there is a more specific code available that would further accurately identify the condition | None | None |
| M47.1 Other spondylosis with myelopathy | ||||
| M47.10 | Other spondylosis with myelopathy, site unspecified | Cannot lead a claimUnspecified diagnosis code not acceptable as principal diagnosis since there is a more specific code available that would further accurately identify the condition | None | None |
| M47.11 | Other spondylosis with myelopathy, occipito-atlanto-axial regionCMS: Oth spondylosis w myelopathy, occipito-atlanto-axial region | Can lead a claim | E | None |
| M47.12 | Other spondylosis with myelopathy, cervical region | Can lead a claim | E | None |
| M47.13 | Other spondylosis with myelopathy, cervicothoracic region | Can lead a claim | E | None |
| M47.14 | Other spondylosis with myelopathy, thoracic region | Can lead a claim | E | None |
| M47.15 | Other spondylosis with myelopathy, thoracolumbar region | Can lead a claim | E | None |
| M47.16 | Other spondylosis with myelopathy, lumbar region | Can lead a claim | E | None |
| M47.2 Other spondylosis with radiculopathy | ||||
| M47.20 | Other spondylosis with radiculopathy, site unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M47.21 | Other spondylosis with radiculopathy, occipito-atlanto-axial regionCMS: Oth spondylosis w radiculopathy, occipt-atlan-ax region | Can lead a claim | E | None |
| M47.22 | Other spondylosis with radiculopathy, cervical region | Can lead a claim | E | None |
| M47.23 | Other spondylosis with radiculopathy, cervicothoracic region | Can lead a claim | E | None |
| M47.24 | Other spondylosis with radiculopathy, thoracic region | Can lead a claim | E | None |
| M47.25 | Other spondylosis with radiculopathy, thoracolumbar region | Can lead a claim | E | None |
| M47.26 | Other spondylosis with radiculopathy, lumbar region | Can lead a claim | E | None |
| M47.27 | Other spondylosis with radiculopathy, lumbosacral region | Can lead a claim | E | None |
| M47.28 | Other spondylosis with radiculopathy, sacral and sacrococcygeal regionCMS: Oth spondylosis w radiculopathy, sacr/sacrocygl region | Can lead a claim | E | None |
| M47.8 Other spondylosis | ||||
| M47.81 Spondylosis without myelopathy or radiculopathy | ||||
| M47.811 | Spondylosis without myelopathy or radiculopathy, occipito-atlanto-axial regionCMS: Spondyls w/o myelpath or radiculopathy, occipt-atlan-ax rgn | Can lead a claim | E | None |
| M47.812 | Spondylosis without myelopathy or radiculopathy, cervical regionCMS: Spondylosis w/o myelopathy or radiculopathy, cervical region | Can lead a claim | E | None |
| M47.813 | Spondylosis without myelopathy or radiculopathy, cervicothoracic regionCMS: Spondyls w/o myelopathy or radiculopathy, cervicothor region | Can lead a claim | E | None |
| M47.814 | Spondylosis without myelopathy or radiculopathy, thoracic regionCMS: Spondylosis w/o myelopathy or radiculopathy, thoracic region | Can lead a claim | E | None |
| M47.815 | Spondylosis without myelopathy or radiculopathy, thoracolumbar regionCMS: Spondyls w/o myelopathy or radiculopathy, thoracolum region | Can lead a claim | E | None |
| M47.816 | Spondylosis without myelopathy or radiculopathy, lumbar regionCMS: Spondylosis w/o myelopathy or radiculopathy, lumbar region | Can lead a claim | E | None |
| M47.817 | Spondylosis without myelopathy or radiculopathy, lumbosacral regionCMS: Spondyls w/o myelopathy or radiculopathy, lumbosacr region | Can lead a claim | E | None |
| M47.818 | Spondylosis without myelopathy or radiculopathy, sacral and sacrococcygeal regionCMS: Spondyls w/o myelpath or radiculopathy, sacr/sacrocygl rgn | Can lead a claim | E | None |
| M47.819 | Spondylosis without myelopathy or radiculopathy, site unspecifiedCMS: Spondylosis without myelopathy or radiculopathy, site unsp | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M47.89 Other spondylosis | ||||
| M47.891 | Other spondylosis, occipito-atlanto-axial region | Can lead a claim | E | None |
| M47.892 | Other spondylosis, cervical region | Can lead a claim | E | None |
| M47.893 | Other spondylosis, cervicothoracic region | Can lead a claim | E | None |
| M47.894 | Other spondylosis, thoracic region | Can lead a claim | E | None |
| M47.895 | Other spondylosis, thoracolumbar region | Can lead a claim | E | None |
| M47.896 | Other spondylosis, lumbar region | Can lead a claim | E | None |
| M47.897 | Other spondylosis, lumbosacral region | Can lead a claim | E | None |
| M47.898 | Other spondylosis, sacral and sacrococcygeal region | Can lead a claim | E | None |
| M47.899 | Other spondylosis, site unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M47.9 | Spondylosis, unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | 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.
The monthly home health regs digest
What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue