October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

M53 Other and unspecified dorsopathies, not elsewhere classified

All 22 codes in the M53 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

22

Can lead a claim

19

Cannot lead a claim

3

What CMS assigns to M53

19 of the 22 codes group to Musculoskeletal Rehabilitation; 3 are assigned no clinical group. None of the 22 is assigned a comorbidity subgroup. 19 of the 22 can lead a claim.

Every code in M53

Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
M53.0Cervicocranial syndromeCan lead a claimENone
M53.1Cervicobrachial syndromeCan lead a claimENone
M53.2 Spinal instabilities
M53.2X Spinal instabilities
M53.2X1Spinal instabilities, occipito-atlanto-axial regionCan lead a claimENone
M53.2X2Spinal instabilities, cervical regionCan lead a claimENone
M53.2X3Spinal instabilities, cervicothoracic regionCan lead a claimENone
M53.2X4Spinal instabilities, thoracic regionCan lead a claimENone
M53.2X5Spinal instabilities, thoracolumbar regionCan lead a claimENone
M53.2X6Spinal instabilities, lumbar regionCan lead a claimENone
M53.2X7Spinal instabilities, lumbosacral regionCan lead a claimENone
M53.2X8Spinal instabilities, sacral and sacrococcygeal regionCan lead a claimENone
M53.2X9Spinal instabilities, site unspecifiedCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
M53.3Sacrococcygeal disorders, not elsewhere classifiedCan lead a claimENone
M53.8 Other specified dorsopathies
M53.80Other specified dorsopathies, site unspecifiedCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
M53.81Other specified dorsopathies, occipito-atlanto-axial regionCan lead a claimENone
M53.82Other specified dorsopathies, cervical regionCan lead a claimENone
M53.83Other specified dorsopathies, cervicothoracic regionCan lead a claimENone
M53.84Other specified dorsopathies, thoracic regionCan lead a claimENone
M53.85Other specified dorsopathies, thoracolumbar regionCan lead a claimENone
M53.86Other specified dorsopathies, lumbar regionCan lead a claimENone
M53.87Other specified dorsopathies, lumbosacral regionCan lead a claimENone
M53.88Other specified dorsopathies, sacral and sacrococcygeal regionCMS: Oth dorsopathies, sacral and sacrococcygeal regionCan lead a claimENone
M53.9Dorsopathy, unspecifiedCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone

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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