ICD-10 · PDGM grouping
M50 Cervical disc disorders
All 42 codes in the M50 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
42
Can lead a claim
30
Cannot lead a claim
12
What CMS assigns to M50
30 of the 42 codes group to Musculoskeletal Rehabilitation; 12 are assigned no clinical group. None of the 42 is assigned a comorbidity subgroup. 30 of the 42 can lead a claim.
Every code in M50
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 |
|---|---|---|---|---|
| M50.0 Cervical disc disorder with myelopathy | ||||
| M50.00 | Cervical disc disorder with myelopathy, unspecified cervical regionCMS: Cervical disc disorder with myelopathy, unsp cervical region | 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 |
| M50.01 | Cervical disc disorder with myelopathy, high cervical region | Can lead a claim | E | None |
| M50.02 Cervical disc disorder with myelopathy, mid-cervical region | ||||
| M50.020 | Cervical disc disorder with myelopathy, mid-cervical region, unspecified levelCMS: Cerv disc disord with myelpath, mid-cervical rgn, unsp level | 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 |
| M50.021 | Cervical disc disorder at C4-C5 level with myelopathy | Can lead a claim | E | None |
| M50.022 | Cervical disc disorder at C5-C6 level with myelopathy | Can lead a claim | E | None |
| M50.023 | Cervical disc disorder at C6-C7 level with myelopathy | Can lead a claim | E | None |
| M50.03 | Cervical disc disorder with myelopathy, cervicothoracic regionCMS: Cervical disc disorder w myelopathy, cervicothoracic region | Can lead a claim | E | None |
| M50.1 Cervical disc disorder with radiculopathy | ||||
| M50.10 | Cervical disc disorder with radiculopathy, unspecified cervical regionCMS: Cervical disc disorder w radiculopathy, unsp cervical region | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M50.11 | Cervical disc disorder with radiculopathy, high cervical regionCMS: Cerv disc disorder with radiculopathy, high cervical region | Can lead a claim | E | None |
| M50.12 Cervical disc disorder with radiculopathy, mid-cervical region | ||||
| M50.120 | Mid-cervical disc disorder, unspecified level | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M50.121 | Cervical disc disorder at C4-C5 level with radiculopathy | Can lead a claim | E | None |
| M50.122 | Cervical disc disorder at C5-C6 level with radiculopathy | Can lead a claim | E | None |
| M50.123 | Cervical disc disorder at C6-C7 level with radiculopathy | Can lead a claim | E | None |
| M50.13 | Cervical disc disorder with radiculopathy, cervicothoracic regionCMS: Cervical disc disorder w radiculopathy, cervicothor region | Can lead a claim | E | None |
| M50.2 Other cervical disc displacement | ||||
| M50.20 | Other cervical disc displacement, unspecified cervical regionCMS: Other cervical disc displacement, unsp cervical region | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M50.21 | Other cervical disc displacement, high cervical region | Can lead a claim | E | None |
| M50.22 Other cervical disc displacement, mid-cervical region | ||||
| M50.220 | Other cervical disc displacement, mid-cervical region, unspecified levelCMS: Other cerv disc displacmnt, mid-cervical region, unsp level | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M50.221 | Other cervical disc displacement at C4-C5 level | Can lead a claim | E | None |
| M50.222 | Other cervical disc displacement at C5-C6 level | Can lead a claim | E | None |
| M50.223 | Other cervical disc displacement at C6-C7 level | Can lead a claim | E | None |
| M50.23 | Other cervical disc displacement, cervicothoracic region | Can lead a claim | E | None |
| M50.3 Other cervical disc degeneration | ||||
| M50.30 | Other cervical disc degeneration, unspecified cervical regionCMS: Other cervical disc degeneration, unsp cervical region | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M50.31 | Other cervical disc degeneration, high cervical region | Can lead a claim | E | None |
| M50.32 Other cervical disc degeneration, mid-cervical region | ||||
| M50.320 | Other cervical disc degeneration, mid-cervical region, unspecified levelCMS: Other cerv disc degeneration, mid-cervical rgn, unsp level | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M50.321 | Other cervical disc degeneration at C4-C5 level | Can lead a claim | E | None |
| M50.322 | Other cervical disc degeneration at C5-C6 level | Can lead a claim | E | None |
| M50.323 | Other cervical disc degeneration at C6-C7 level | Can lead a claim | E | None |
| M50.33 | Other cervical disc degeneration, cervicothoracic region | Can lead a claim | E | None |
| M50.8 Other cervical disc disorders | ||||
| M50.80 | Other cervical disc disorders, unspecified cervical region | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M50.81 | Other cervical disc disorders, high cervical region | Can lead a claim | E | None |
| M50.82 Other cervical disc disorders, mid-cervical region | ||||
| M50.820 | Other cervical disc disorders, mid-cervical region, unspecified levelCMS: Other cervical disc disord, mid-cervical region, unsp level | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M50.821 | Other cervical disc disorders at C4-C5 level | Can lead a claim | E | None |
| M50.822 | Other cervical disc disorders at C5-C6 level | Can lead a claim | E | None |
| M50.823 | Other cervical disc disorders at C6-C7 level | Can lead a claim | E | None |
| M50.83 | Other cervical disc disorders, cervicothoracic region | Can lead a claim | E | None |
| M50.9 Cervical disc disorder, unspecified | ||||
| M50.90 | Cervical disc disorder, unspecified, unspecified cervical regionCMS: Cervical disc disorder, unsp, unspecified cervical region | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M50.91 | Cervical disc disorder, unspecified, high cervical region | Can lead a claim | E | None |
| M50.92 Cervical disc disorder, unspecified, mid-cervical region | ||||
| M50.920 | Unspecified cervical disc disorder, mid-cervical region, unspecified levelCMS: Unsp cervical disc disorder, mid-cervical region, unsp level | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M50.921 | Unspecified cervical disc disorder at C4-C5 level | Can lead a claim | E | None |
| M50.922 | Unspecified cervical disc disorder at C5-C6 level | Can lead a claim | E | None |
| M50.923 | Unspecified cervical disc disorder at C6-C7 level | Can lead a claim | E | None |
| M50.93 | Cervical disc disorder, unspecified, cervicothoracic region | Can lead a claim | E | 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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