DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

M13 Other arthritis

  • Header · not billable

M13 is not billable. The category heads 47 billable codes in FY2027, grouped under 3 subdivisions.

Index → code

  • Monoarthritis → M13.10
  • Polyarthritis, polyarthropathy → M13.0
  • Monoarthritiship → M13.15-

Where it sits

  1. Chapter 13 Diseases of the musculoskeletal system and connective tissue (M00-M99)
  2. M05-M14 Inflammatory polyarthropathies (M05-M14)
  3. M13 Other arthritis
Billable codes
47
Subdivisions
3
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
23

Codes in M13

  1. M13.0
    Polyarthritis, unspecified
    Billable
  2. M13.1
    Monoarthritis, not elsewhere classified
    Header
  3. M13.10
    Monoarthritis, not elsewhere classified, unspecified site
    Billable
  4. M13.11
    Monoarthritis, not elsewhere classified, shoulder
    Header
  5. M13.111
    Monoarthritis, not elsewhere classified, right shoulder
    Billable
  6. M13.112
    Monoarthritis, not elsewhere classified, left shoulder
    Billable
  7. M13.119
    Monoarthritis, not elsewhere classified, unspecified shoulder
    Billable
  8. M13.12
    Monoarthritis, not elsewhere classified, elbow
    Header
  9. M13.121
    Monoarthritis, not elsewhere classified, right elbow
    Billable
  10. M13.122
    Monoarthritis, not elsewhere classified, left elbow
    Billable
  11. M13.129
    Monoarthritis, not elsewhere classified, unspecified elbow
    Billable
  12. M13.13
    Monoarthritis, not elsewhere classified, wrist
    Header
  13. M13.131
    Monoarthritis, not elsewhere classified, right wrist
    Billable
  14. M13.132
    Monoarthritis, not elsewhere classified, left wrist
    Billable
  15. M13.139
    Monoarthritis, not elsewhere classified, unspecified wrist
    Billable
  16. M13.14
    Monoarthritis, not elsewhere classified, hand
    Header
  17. M13.141
    Monoarthritis, not elsewhere classified, right hand
    Billable
  18. M13.142
    Monoarthritis, not elsewhere classified, left hand
    Billable
  19. M13.149
    Monoarthritis, not elsewhere classified, unspecified hand
    Billable
  20. M13.15
    Monoarthritis, not elsewhere classified, hip
    Header
  21. M13.151
    Monoarthritis, not elsewhere classified, right hip
    Billable
  22. M13.152
    Monoarthritis, not elsewhere classified, left hip
    Billable
  23. M13.159
    Monoarthritis, not elsewhere classified, unspecified hip
    Billable
  24. M13.16
    Monoarthritis, not elsewhere classified, knee
    Header
  25. M13.161
    Monoarthritis, not elsewhere classified, right knee
    Billable
  26. M13.162
    Monoarthritis, not elsewhere classified, left knee
    Billable
  27. M13.169
    Monoarthritis, not elsewhere classified, unspecified knee
    Billable
  28. M13.17
    Monoarthritis, not elsewhere classified, ankle and foot
    Header
  29. M13.171
    Monoarthritis, not elsewhere classified, right ankle and foot
    Billable
  30. M13.172
    Monoarthritis, not elsewhere classified, left ankle and foot
    Billable
  31. M13.179
    Monoarthritis, not elsewhere classified, unspecified ankle and foot
    Billable
  32. M13.8
    Other specified arthritis
    Header
    Inclusion terms 1, Excludes1 1

    Inclusion terms

    • Allergic arthritis

    Excludes1

    • osteoarthritis (M15-M19) M15 M19
  33. M13.80
    Other specified arthritis, unspecified site
    Billable
  34. M13.81
    Other specified arthritis, shoulder
    Header
  35. M13.811
    Other specified arthritis, right shoulder
    Billable
  36. M13.812
    Other specified arthritis, left shoulder
    Billable
  37. M13.819
    Other specified arthritis, unspecified shoulder
    Billable
  38. M13.82
    Other specified arthritis, elbow
    Header
  39. M13.821
    Other specified arthritis, right elbow
    Billable
  40. M13.822
    Other specified arthritis, left elbow
    Billable
  41. M13.829
    Other specified arthritis, unspecified elbow
    Billable
  42. M13.83
    Other specified arthritis, wrist
    Header
  43. M13.831
    Other specified arthritis, right wrist
    Billable
  44. M13.832
    Other specified arthritis, left wrist
    Billable
  45. M13.839
    Other specified arthritis, unspecified wrist
    Billable
  46. M13.84
    Other specified arthritis, hand
    Header
  47. M13.841
    Other specified arthritis, right hand
    Billable
  48. M13.842
    Other specified arthritis, left hand
    Billable
  49. M13.849
    Other specified arthritis, unspecified hand
    Billable
  50. M13.85
    Other specified arthritis, hip
    Header
  51. M13.851
    Other specified arthritis, right hip
    Billable
  52. M13.852
    Other specified arthritis, left hip
    Billable
  53. M13.859
    Other specified arthritis, unspecified hip
    Billable
  54. M13.86
    Other specified arthritis, knee
    Header
  55. M13.861
    Other specified arthritis, right knee
    Billable
  56. M13.862
    Other specified arthritis, left knee
    Billable
  57. M13.869
    Other specified arthritis, unspecified knee
    Billable
  58. M13.87
    Other specified arthritis, ankle and foot
    Header
  59. M13.871
    Other specified arthritis, right ankle and foot
    Billable
  60. M13.872
    Other specified arthritis, left ankle and foot
    Billable
  61. M13.879
    Other specified arthritis, unspecified ankle and foot
    Billable
  62. M13.88
    Other specified arthritis, other site
    Billable
  63. M13.89
    Other specified arthritis, multiple sites
    Billable

Sources of each column.

Instructions

At M13

Excludes1

Notes that also apply

Instructions for the group M00-M25 (Includes 1): printed on the chapter 13 page.

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

Index entries

  • Polyarthritis, polyarthropathy → M13.0
  • Monoarthritis → M13.10
  • Monoarthritisshoulder → M13.11-
  • Monoarthritiselbow → M13.12-
  • Monoarthritiswrist → M13.13-
  • Monoarthritishand joint → M13.14-
  • Monoarthritiship → M13.15-
  • Monoarthritisknee → M13.16-
  • Inflammation, inflamed, inflammatory (with exudation)knee (joint) → M13.169
  • Monoarthritisankle → M13.17-
  • Monoarthritisfoot joint → M13.17-
  • Polyarthritis, polyarthropathymigratory → M13.8-
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)specified form NEC → M13.80
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)specified form NECshoulder → M13.81-
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)specified form NECelbow → M13.82-
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)specified form NECwrist → M13.83-
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)specified form NEChand joint → M13.84-
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)specified form NEChip → M13.85-
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)specified form NECknee → M13.86-
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)specified form NECankle → M13.87-
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)specified form NECfoot joint → M13.87-
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)specified form NECspecified joint NEC → M13.88
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)specified form NECmultiple site → M13.89

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

Hierarchy