DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

M50 Cervical disc disorders

  • Header · not billable

M50 is not billable. The category heads 42 billable codes in FY2027, grouped under 6 subdivisions.

Index → code

  • Disorder (of)disc (intervertebral)cervical → M50.90
  • Displacement, displacedintervertebral disc NECcervical, cervicothoracic (with) → M50.20
  • Radiculopathydue todisc disorderC3 → M50.11

Where it sits

  1. Chapter 13 Diseases of the musculoskeletal system and connective tissue (M00-M99)
  2. M50-M54 Other dorsopathies (M50-M54)
  3. M50 Cervical disc disorders
Billable codes
42
Subdivisions
6
CC / MCC codes
7 / 0
HCC V28 codes
0
New FY2027
0
Index entries
75

Codes in M50

  1. M50.0
    Cervical disc disorder with myelopathy
    Header
  2. M50.00
    Cervical disc disorder with myelopathy, unspecified cervical region
    BillableCC
  3. M50.01
    Cervical disc disorder with myelopathy, high cervical region
    BillableCC
    Inclusion terms 2

    Inclusion terms

    • C2-C3 disc disorder with myelopathy
    • C3-C4 disc disorder with myelopathy
  4. M50.02
    Cervical disc disorder with myelopathy, mid-cervical region
    Header
  5. M50.020
    Cervical disc disorder with myelopathy, mid-cervical region, unspecified level
    BillableCC
  6. M50.021
    Cervical disc disorder at C4-C5 level with myelopathy
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • C4-C5 disc disorder with myelopathy
  7. M50.022
    Cervical disc disorder at C5-C6 level with myelopathy
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • C5-C6 disc disorder with myelopathy
  8. M50.023
    Cervical disc disorder at C6-C7 level with myelopathy
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • C6-C7 disc disorder with myelopathy
  9. M50.03
    Cervical disc disorder with myelopathy, cervicothoracic region
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • C7-T1 disc disorder with myelopathy
  10. M50.1
    Cervical disc disorder with radiculopathy
    Header
    Excludes2 1

    Excludes2

    • brachial radiculitis NOS (M54.13) M54.13
  11. M50.10
    Cervical disc disorder with radiculopathy, unspecified cervical region
    Billable
  12. M50.11
    Cervical disc disorder with radiculopathy, high cervical region
    Billable
    Inclusion terms 4

    Inclusion terms

    • C2-C3 disc disorder with radiculopathy
    • C3 radiculopathy due to disc disorder
    • C3-C4 disc disorder with radiculopathy
    • C4 radiculopathy due to disc disorder
  13. M50.12
    Cervical disc disorder with radiculopathy, mid-cervical region
    Header
  14. M50.120
    Mid-cervical disc disorder, unspecified level
    Billable
  15. M50.121
    Cervical disc disorder at C4-C5 level with radiculopathy
    Billable
    Inclusion terms 2

    Inclusion terms

    • C4-C5 disc disorder with radiculopathy
    • C5 radiculopathy due to disc disorder
  16. M50.122
    Cervical disc disorder at C5-C6 level with radiculopathy
    Billable
    Inclusion terms 2

    Inclusion terms

    • C5-C6 disc disorder with radiculopathy
    • C6 radiculopathy due to disc disorder
  17. M50.123
    Cervical disc disorder at C6-C7 level with radiculopathy
    Billable
    Inclusion terms 2

    Inclusion terms

    • C6-C7 disc disorder with radiculopathy
    • C7 radiculopathy due to disc disorder
  18. M50.13
    Cervical disc disorder with radiculopathy, cervicothoracic region
    Billable
    Inclusion terms 2

    Inclusion terms

    • C7-T1 disc disorder with radiculopathy
    • C8 radiculopathy due to disc disorder
  19. M50.2
    Other cervical disc displacement
    Header
  20. M50.20
    Other cervical disc displacement, unspecified cervical region
    Billable
  21. M50.21
    Other cervical disc displacement, high cervical region
    Billable
    Inclusion terms 2

    Inclusion terms

    • Other C2-C3 cervical disc displacement
    • Other C3-C4 cervical disc displacement
  22. M50.22
    Other cervical disc displacement, mid-cervical region
    Header
  23. M50.220
    Other cervical disc displacement, mid-cervical region, unspecified level
    Billable
  24. M50.221
    Other cervical disc displacement at C4-C5 level
    Billable
    Inclusion terms 1

    Inclusion terms

    • Other C4-C5 cervical disc displacement
  25. M50.222
    Other cervical disc displacement at C5-C6 level
    Billable
    Inclusion terms 1

    Inclusion terms

    • Other C5-C6 cervical disc displacement
  26. M50.223
    Other cervical disc displacement at C6-C7 level
    Billable
    Inclusion terms 1

    Inclusion terms

    • Other C6-C7 cervical disc displacement
  27. M50.23
    Other cervical disc displacement, cervicothoracic region
    Billable
    Inclusion terms 1

    Inclusion terms

    • Other C7-T1 cervical disc displacement
  28. M50.3
    Other cervical disc degeneration
    Header
  29. M50.30
    Other cervical disc degeneration, unspecified cervical region
    Billable
  30. M50.31
    Other cervical disc degeneration, high cervical region
    Billable
    Inclusion terms 2

    Inclusion terms

    • Other C2-C3 cervical disc degeneration
    • Other C3-C4 cervical disc degeneration
  31. M50.32
    Other cervical disc degeneration, mid-cervical region
    Header
  32. M50.320
    Other cervical disc degeneration, mid-cervical region, unspecified level
    Billable
  33. M50.321
    Other cervical disc degeneration at C4-C5 level
    Billable
    Inclusion terms 1

    Inclusion terms

    • Other C4-C5 cervical disc degeneration
  34. M50.322
    Other cervical disc degeneration at C5-C6 level
    Billable
    Inclusion terms 1

    Inclusion terms

    • Other C5-C6 cervical disc degeneration
  35. M50.323
    Other cervical disc degeneration at C6-C7 level
    Billable
    Inclusion terms 1

    Inclusion terms

    • Other C6-C7 cervical disc degeneration
  36. M50.33
    Other cervical disc degeneration, cervicothoracic region
    Billable
    Inclusion terms 1

    Inclusion terms

    • Other C7-T1 cervical disc degeneration
  37. M50.8
    Other cervical disc disorders
    Header
  38. M50.80
    Other cervical disc disorders, unspecified cervical region
    Billable
  39. M50.81
    Other cervical disc disorders, high cervical region
    Billable
    Inclusion terms 2

    Inclusion terms

    • Other C2-C3 cervical disc disorders
    • Other C3-C4 cervical disc disorders
  40. M50.82
    Other cervical disc disorders, mid-cervical region
    Header
  41. M50.820
    Other cervical disc disorders, mid-cervical region, unspecified level
    Billable
  42. M50.821
    Other cervical disc disorders at C4-C5 level
    Billable
    Inclusion terms 1

    Inclusion terms

    • Other C4-C5 cervical disc disorders
  43. M50.822
    Other cervical disc disorders at C5-C6 level
    Billable
    Inclusion terms 1

    Inclusion terms

    • Other C5-C6 cervical disc disorders
  44. M50.823
    Other cervical disc disorders at C6-C7 level
    Billable
    Inclusion terms 1

    Inclusion terms

    • Other C6-C7 cervical disc disorders
  45. M50.83
    Other cervical disc disorders, cervicothoracic region
    Billable
    Inclusion terms 1

    Inclusion terms

    • Other C7-T1 cervical disc disorders
  46. M50.9
    Cervical disc disorder, unspecified
    Header
  47. M50.90
    Cervical disc disorder, unspecified, unspecified cervical region
    Billable
  48. M50.91
    Cervical disc disorder, unspecified, high cervical region
    Billable
    Inclusion terms 2

    Inclusion terms

    • C2-C3 cervical disc disorder, unspecified
    • C3-C4 cervical disc disorder, unspecified
  49. M50.92
    Cervical disc disorder, unspecified, mid-cervical region
    Header
  50. M50.920
    Unspecified cervical disc disorder, mid-cervical region, unspecified level
    Billable
  51. M50.921
    Unspecified cervical disc disorder at C4-C5 level
    Billable
    Inclusion terms 1

    Inclusion terms

    • Unspecified C4-C5 cervical disc disorder
  52. M50.922
    Unspecified cervical disc disorder at C5-C6 level
    Billable
    Inclusion terms 1

    Inclusion terms

    • Unspecified C5-C6 cervical disc disorder
  53. M50.923
    Unspecified cervical disc disorder at C6-C7 level
    Billable
    Inclusion terms 1

    Inclusion terms

    • Unspecified C6-C7 cervical disc disorder
  54. M50.93
    Cervical disc disorder, unspecified, cervicothoracic region
    Billable
    Inclusion terms 1

    Inclusion terms

    • C7-T1 cervical disc disorder, unspecified

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At M50

Includes

  • cervicothoracic disc disorders with cervicalgia
  • cervicothoracic disc disorders

Notes that also apply

Block M50-M54 instructions (Excludes1 2): printed on the block page.

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

Index entries

  • Displacement, displacedintervertebral disc NECcervical, cervicothoracic (with) → M50.20
  • Disorder (of)disc (intervertebral)cervical → M50.90
  • Radiculopathydue todisc disorderC3 → M50.11
  • Radiculopathydue todisc disorderC4 → M50.11
  • Radiculopathydue todisc disorderC5 → M50.121
  • Radiculopathydue todisc disorderC6 → M50.122
  • Radiculopathydue todisc disorderC7 → M50.123
  • Radiculopathydue todisc disorderC8 → M50.13
  • Disorder (of)disc (intervertebral)cervicaldisplacement → M50.20
  • Disorder (of)disc (intervertebral)cervicaldegeneration → M50.30
  • Disorder (of)disc (intervertebral)cervicalspecified type NEC → M50.80
  • Disorder (of)disc (intervertebral)cervicalC2-C3 → M50.91
  • Disorder (of)disc (intervertebral)cervicalC3-C4 → M50.91
  • Disorder (of)disc (intervertebral)cervicalhigh cervical region → M50.91
  • Disorder (of)disc (intervertebral)cervicalmid-cervical region → M50.920
  • Disorder (of)disc (intervertebral)cervicalC4-C5 → M50.921
  • Disorder (of)disc (intervertebral)cervicalC5-C6 → M50.922
  • Disorder (of)disc (intervertebral)cervicalC6-C7 → M50.923
  • Disorder (of)disc (intervertebral)cervicalC7-T1 → M50.93
  • Disorder (of)disc (intervertebral)cervicalcervicothoracic region → M50.93
  • Disorder (of)disc (intervertebral)withmyelopathycervical region → M50.00
  • Disorder (of)disc (intervertebral)cervicalwithmyelopathy → M50.00
  • Disorder (of)disc (intervertebral)withmyelopathyhigh cervical region → M50.01
  • Disorder (of)disc (intervertebral)withmyelopathymid-cervical region → M50.020
  • Disorder (of)disc (intervertebral)withmyelopathycervicothoracic region → M50.03
  • Disorder (of)disc (intervertebral)withradiculopathycervical region → M50.10
  • Disorder (of)disc (intervertebral)cervicalwithneuritis, radiculitis or radiculopathy → M50.10
  • Disorder (of)disc (intervertebral)withradiculopathyhigh cervical region → M50.11
  • Disorder (of)disc (intervertebral)withradiculopathymid-cervical region → M50.120
  • Disorder (of)disc (intervertebral)withradiculopathycervicothoracic region → M50.13
  • Disorder (of)disc (intervertebral)cervicaldisplacementC2-C3 → M50.21
  • Disorder (of)disc (intervertebral)cervicaldisplacementC3-C4 → M50.21
  • Disorder (of)disc (intervertebral)cervicaldisplacementhigh cervical region → M50.21
  • Disorder (of)disc (intervertebral)cervicaldisplacementmid-cervical region → M50.220
  • Disorder (of)disc (intervertebral)cervicaldisplacementC4-C5 → M50.221
  • Disorder (of)disc (intervertebral)cervicaldisplacementC5-C6 → M50.222
  • Disorder (of)disc (intervertebral)cervicaldisplacementC6-C7 → M50.223
  • Disorder (of)disc (intervertebral)cervicaldisplacementC7-T1 → M50.23
  • Disorder (of)disc (intervertebral)cervicaldisplacementcervicothoracic region → M50.23
  • Disorder (of)disc (intervertebral)cervicaldegenerationC2-C3 → M50.31

35 more, longer entries are not listed; the search box finds them by word.

NCHS Alphabetic Index. Index first, then the Tabular List.

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