DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

M19 Other and unspecified osteoarthritis

  • Header · not billable

M19 is not billable. The category heads 52 billable codes in FY2027, grouped under 4 subdivisions.

ICD-10 code by name

What is the ICD-10 code for osteoarthritis?
Osteoarthritis ICD-10 code: M19.90 Unspecified osteoarthritis, unspecified site. Alphabetic Index: Osteoarthritis → M19.90. Search ICD-10 for osteoarthritis

Where it sits

  1. Chapter 13 Diseases of the musculoskeletal system and connective tissue (M00-M99)
  2. M15-M19 Osteoarthritis (M15-M19)
  3. M19 Other and unspecified osteoarthritis
Billable codes
52
Subdivisions
4
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
53

Codes in M19

  1. M19.0
    Primary osteoarthritis of other joints
    Header
  2. M19.01
    Primary osteoarthritis, shoulder
    Header
  3. M19.011
    Primary osteoarthritis, right shoulder
    Billable
  4. M19.012
    Primary osteoarthritis, left shoulder
    Billable
  5. M19.019
    Primary osteoarthritis, unspecified shoulder
    Billable
  6. M19.02
    Primary osteoarthritis, elbow
    Header
  7. M19.021
    Primary osteoarthritis, right elbow
    Billable
  8. M19.022
    Primary osteoarthritis, left elbow
    Billable
  9. M19.029
    Primary osteoarthritis, unspecified elbow
    Billable
  10. M19.03
    Primary osteoarthritis, wrist
    Header
  11. M19.031
    Primary osteoarthritis, right wrist
    Billable
  12. M19.032
    Primary osteoarthritis, left wrist
    Billable
  13. M19.039
    Primary osteoarthritis, unspecified wrist
    Billable
  14. M19.04
    Primary osteoarthritis, hand
    Header
    Excludes2 1

    Excludes2

    • primary osteoarthritis of first carpometacarpal joint (M18.0-, M18.1-) M18.0 M18.1
  15. M19.041
    Primary osteoarthritis, right hand
    Billable
  16. M19.042
    Primary osteoarthritis, left hand
    Billable
  17. M19.049
    Primary osteoarthritis, unspecified hand
    Billable
  18. M19.07
    Primary osteoarthritis ankle and foot
    Header
  19. M19.071
    Primary osteoarthritis, right ankle and foot
    Billable
  20. M19.072
    Primary osteoarthritis, left ankle and foot
    Billable
  21. M19.079
    Primary osteoarthritis, unspecified ankle and foot
    Billable
  22. M19.09
    Primary osteoarthritis, other specified site
    Billable
  23. M19.1
    Post-traumatic osteoarthritis of other joints
    Header
  24. M19.11
    Post-traumatic osteoarthritis, shoulder
    Header
  25. M19.111
    Post-traumatic osteoarthritis, right shoulder
    Billable
  26. M19.112
    Post-traumatic osteoarthritis, left shoulder
    Billable
  27. M19.119
    Post-traumatic osteoarthritis, unspecified shoulder
    Billable
  28. M19.12
    Post-traumatic osteoarthritis, elbow
    Header
  29. M19.121
    Post-traumatic osteoarthritis, right elbow
    Billable
  30. M19.122
    Post-traumatic osteoarthritis, left elbow
    Billable
  31. M19.129
    Post-traumatic osteoarthritis, unspecified elbow
    Billable
  32. M19.13
    Post-traumatic osteoarthritis, wrist
    Header
  33. M19.131
    Post-traumatic osteoarthritis, right wrist
    Billable
  34. M19.132
    Post-traumatic osteoarthritis, left wrist
    Billable
  35. M19.139
    Post-traumatic osteoarthritis, unspecified wrist
    Billable
  36. M19.14
    Post-traumatic osteoarthritis, hand
    Header
    Excludes2 1

    Excludes2

    • post-traumatic osteoarthritis of first carpometacarpal joint (M18.2-, M18.3-) M18.2 M18.3
  37. M19.141
    Post-traumatic osteoarthritis, right hand
    Billable
  38. M19.142
    Post-traumatic osteoarthritis, left hand
    Billable
  39. M19.149
    Post-traumatic osteoarthritis, unspecified hand
    Billable
  40. M19.17
    Post-traumatic osteoarthritis, ankle and foot
    Header
  41. M19.171
    Post-traumatic osteoarthritis, right ankle and foot
    Billable
  42. M19.172
    Post-traumatic osteoarthritis, left ankle and foot
    Billable
  43. M19.179
    Post-traumatic osteoarthritis, unspecified ankle and foot
    Billable
  44. M19.19
    Post-traumatic osteoarthritis, other specified site
    Billable
  45. M19.2
    Secondary osteoarthritis of other joints
    Header
  46. M19.21
    Secondary osteoarthritis, shoulder
    Header
  47. M19.211
    Secondary osteoarthritis, right shoulder
    Billable
  48. M19.212
    Secondary osteoarthritis, left shoulder
    Billable
  49. M19.219
    Secondary osteoarthritis, unspecified shoulder
    Billable
  50. M19.22
    Secondary osteoarthritis, elbow
    Header
  51. M19.221
    Secondary osteoarthritis, right elbow
    Billable
  52. M19.222
    Secondary osteoarthritis, left elbow
    Billable
  53. M19.229
    Secondary osteoarthritis, unspecified elbow
    Billable
  54. M19.23
    Secondary osteoarthritis, wrist
    Header
  55. M19.231
    Secondary osteoarthritis, right wrist
    Billable
  56. M19.232
    Secondary osteoarthritis, left wrist
    Billable
  57. M19.239
    Secondary osteoarthritis, unspecified wrist
    Billable
  58. M19.24
    Secondary osteoarthritis, hand
    Header
  59. M19.241
    Secondary osteoarthritis, right hand
    Billable
  60. M19.242
    Secondary osteoarthritis, left hand
    Billable
  61. M19.249
    Secondary osteoarthritis, unspecified hand
    Billable
  62. M19.27
    Secondary osteoarthritis, ankle and foot
    Header
  63. M19.271
    Secondary osteoarthritis, right ankle and foot
    Billable
  64. M19.272
    Secondary osteoarthritis, left ankle and foot
    Billable
  65. M19.279
    Secondary osteoarthritis, unspecified ankle and foot
    Billable
  66. M19.29
    Secondary osteoarthritis, other specified site
    Billable
  67. M19.9
    Osteoarthritis, unspecified site
    Header
  68. M19.90
    Unspecified osteoarthritis, unspecified site
    Billable
    Inclusion terms 3

    Inclusion terms

    • Arthrosis NOS
    • Arthritis NOS
    • Osteoarthritis NOS
  69. M19.91
    Primary osteoarthritis, unspecified site
    Billable
    Inclusion terms 1

    Inclusion terms

    • Primary osteoarthritis NOS
  70. M19.92
    Post-traumatic osteoarthritis, unspecified site
    Billable
    Inclusion terms 1

    Inclusion terms

    • Post-traumatic osteoarthritis NOS
  71. M19.93
    Secondary osteoarthritis, unspecified site
    Billable
    Inclusion terms 1

    Inclusion terms

    • Secondary osteoarthritis NOS

Sources of each column.

Instructions

At M19

Excludes1

  • polyarthritis (M15.-) M15

Excludes2

  • arthrosis of spine (M47.-) M47
  • hallux rigidus (M20.2) M20.2
  • osteoarthritis of spine (M47.-) M47

Notes that also apply

Block M15-M19 instructions (Excludes2 1): printed on the block page.

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

  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) → M19.90
  • Arthrosis (deformans) (degenerative) (localized) → M19.90
  • Osteoarthritis → M19.90
  • Osteoarthropathy (hypertrophic) → M19.90
  • Osteoarthritisshoulder → M19.01-
  • Osteoarthritiselbow → M19.02-
  • Osteoarthritiswrist → M19.03-
  • Osteoarthritishand joint → M19.04-
  • Osteoarthritisankle → M19.07-
  • Osteoarthritisfoot joint → M19.07-
  • Osteoarthritisspecified site NEC → M19.09
  • Osteoarthritisprimary → M19.91
  • Osteoarthritispost-traumatic NEC → M19.92
  • Osteoarthritissecondary → M19.93
  • Osteoarthritisprimaryshoulder → M19.01-
  • Osteoarthritisshoulderprimary → M19.01-
  • Osteoarthritiselbowprimary → M19.02-
  • Osteoarthritisprimaryelbow → M19.02-
  • Osteoarthritisprimarywrist → M19.03-
  • Osteoarthritiswristprimary → M19.03-
  • Osteoarthritishand jointprimary → M19.04-
  • Osteoarthritisprimaryhand joint → M19.04-
  • Osteoarthritisankleprimary → M19.07-
  • Osteoarthritisfoot jointprimary → M19.07-
  • Osteoarthritisprimaryankle → M19.07-
  • Osteoarthritisprimaryfoot joint → M19.07-
  • Osteoarthritisprimaryspecified site NEC → M19.09
  • Osteoarthritispost-traumatic NECshoulder → M19.11-
  • Osteoarthritisshoulderpost-traumatic → M19.11-
  • Osteoarthritiselbowpost-traumatic → M19.12-
  • Osteoarthritispost-traumatic NECelbow → M19.12-
  • Osteoarthritispost-traumatic NECwrist → M19.13-
  • Osteoarthritiswristpost-traumatic → M19.13-
  • Osteoarthritishand jointpost-traumatic → M19.14-
  • Osteoarthritispost-traumatic NEChand joint → M19.14-
  • Osteoarthritisanklepost-traumatic → M19.17-
  • Osteoarthritisfoot jointpost-traumatic → M19.17-
  • Osteoarthritispost-traumatic NECankle → M19.17-
  • Osteoarthritispost-traumatic NECfoot joint → M19.17-
  • Osteoarthritispost-traumatic NECspecified site NEC → M19.19

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

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

Hierarchy