DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

H31 Other disorders of choroid

  • Header · not billable

H31 is not billable. The category heads 59 billable codes in FY2027, grouped under 7 subdivisions.

Index → code

  • Choroideremia → H31.21
  • Sclerochoroiditis → H31.8
  • Disorder (of)choroid → H31.9

Where it sits

  1. Chapter 7 Diseases of the eye and adnexa (H00-H59)
  2. H30-H36 Disorders of choroid and retina (H30-H36)
  3. H31 Other disorders of choroid
Billable codes
59
Subdivisions
7
CC / MCC codes
16 / 0
HCC V28 codes
0
New FY2027
0
Index entries
31

Codes in H31

  1. H31.0
    Chorioretinal scars
    Header
    Excludes2 1

    Excludes2

    • postsurgical chorioretinal scars (H59.81-) H59.81
  2. H31.00
    Unspecified chorioretinal scars
    Header
  3. H31.001
    Unspecified chorioretinal scars, right eye
    Billable
  4. H31.002
    Unspecified chorioretinal scars, left eye
    Billable
  5. H31.003
    Unspecified chorioretinal scars, bilateral
    Billable
  6. H31.009
    Unspecified chorioretinal scars, unspecified eye
    Billable
  7. H31.01
    Macula scars of posterior pole (postinflammatory) (post-traumatic)
    Header
    Excludes1 1

    Excludes1

    • postprocedural choriorentinal scar (H59.81-) H59.81
  8. H31.011
    Macula scars of posterior pole (postinflammatory) (post-traumatic), right eye
    Billable
  9. H31.012
    Macula scars of posterior pole (postinflammatory) (post-traumatic), left eye
    Billable
  10. H31.013
    Macula scars of posterior pole (postinflammatory) (post-traumatic), bilateral
    Billable
  11. H31.019
    Macula scars of posterior pole (postinflammatory) (post-traumatic), unspecified eye
    Billable
  12. H31.02
    Solar retinopathy
    Header
  13. H31.021
    Solar retinopathy, right eye
    Billable
  14. H31.022
    Solar retinopathy, left eye
    Billable
  15. H31.023
    Solar retinopathy, bilateral
    Billable
  16. H31.029
    Solar retinopathy, unspecified eye
    Billable
  17. H31.09
    Other chorioretinal scars
    Header
  18. H31.091
    Other chorioretinal scars, right eye
    Billable
  19. H31.092
    Other chorioretinal scars, left eye
    Billable
  20. H31.093
    Other chorioretinal scars, bilateral
    Billable
  21. H31.099
    Other chorioretinal scars, unspecified eye
    Billable
  22. H31.1
    Choroidal degeneration
    Header
    Excludes2 1

    Excludes2

    • angioid streaks of macula (H35.33) H35.33
  23. H31.10
    Unspecified choroidal degeneration
    Header
    Inclusion terms 1

    Inclusion terms

    • Choroidal sclerosis NOS
  24. H31.101
    Choroidal degeneration, unspecified, right eye
    Billable
  25. H31.102
    Choroidal degeneration, unspecified, left eye
    Billable
  26. H31.103
    Choroidal degeneration, unspecified, bilateral
    Billable
  27. H31.109
    Choroidal degeneration, unspecified, unspecified eye
    Billable
  28. H31.11
    Age-related choroidal atrophy
    Header
  29. H31.111
    Age-related choroidal atrophy, right eye
    Billable
  30. H31.112
    Age-related choroidal atrophy, left eye
    Billable
  31. H31.113
    Age-related choroidal atrophy, bilateral
    Billable
  32. H31.119
    Age-related choroidal atrophy, unspecified eye
    Billable
  33. H31.12
    Diffuse secondary atrophy of choroid
    Header
  34. H31.121
    Diffuse secondary atrophy of choroid, right eye
    Billable
  35. H31.122
    Diffuse secondary atrophy of choroid, left eye
    Billable
  36. H31.123
    Diffuse secondary atrophy of choroid, bilateral
    Billable
  37. H31.129
    Diffuse secondary atrophy of choroid, unspecified eye
    Billable
  38. H31.2
    Hereditary choroidal dystrophy
    Header
    Excludes2 2

    Excludes2

    • hyperornithinemia (E72.4) E72.4
    • ornithinemia (E72.4) E72.4
  39. H31.20
    Hereditary choroidal dystrophy, unspecified
    Billable
  40. H31.21
    Choroideremia
    Billable
  41. H31.22
    Choroidal dystrophy (central areolar) (generalized) (peripapillary)
    Billable
  42. H31.23
    Gyrate atrophy, choroid
    Billable
  43. H31.29
    Other hereditary choroidal dystrophy
    Billable
  44. H31.3
    Choroidal hemorrhage and rupture
    Header
  45. H31.30
    Unspecified choroidal hemorrhage
    Header
  46. H31.301
    Unspecified choroidal hemorrhage, right eye
    Billable
  47. H31.302
    Unspecified choroidal hemorrhage, left eye
    Billable
  48. H31.303
    Unspecified choroidal hemorrhage, bilateral
    Billable
  49. H31.309
    Unspecified choroidal hemorrhage, unspecified eye
    Billable
  50. H31.31
    Expulsive choroidal hemorrhage
    Header
  51. H31.311
    Expulsive choroidal hemorrhage, right eye
    Billable
  52. H31.312
    Expulsive choroidal hemorrhage, left eye
    Billable
  53. H31.313
    Expulsive choroidal hemorrhage, bilateral
    Billable
  54. H31.319
    Expulsive choroidal hemorrhage, unspecified eye
    Billable
  55. H31.32
    Choroidal rupture
    Header
  56. H31.321
    Choroidal rupture, right eye
    BillableCC
  57. H31.322
    Choroidal rupture, left eye
    BillableCC
  58. H31.323
    Choroidal rupture, bilateral
    BillableCC
  59. H31.329
    Choroidal rupture, unspecified eye
    BillableCC
  60. H31.4
    Choroidal detachment
    Header
  61. H31.40
    Unspecified choroidal detachment
    Header
  62. H31.401
    Unspecified choroidal detachment, right eye
    BillableCC
  63. H31.402
    Unspecified choroidal detachment, left eye
    BillableCC
  64. H31.403
    Unspecified choroidal detachment, bilateral
    BillableCC
  65. H31.409
    Unspecified choroidal detachment, unspecified eye
    BillableCC
  66. H31.41
    Hemorrhagic choroidal detachment
    Header
  67. H31.411
    Hemorrhagic choroidal detachment, right eye
    BillableCC
  68. H31.412
    Hemorrhagic choroidal detachment, left eye
    BillableCC
  69. H31.413
    Hemorrhagic choroidal detachment, bilateral
    BillableCC
  70. H31.419
    Hemorrhagic choroidal detachment, unspecified eye
    BillableCC
  71. H31.42
    Serous choroidal detachment
    Header
  72. H31.421
    Serous choroidal detachment, right eye
    BillableCC
  73. H31.422
    Serous choroidal detachment, left eye
    BillableCC
  74. H31.423
    Serous choroidal detachment, bilateral
    BillableCC
  75. H31.429
    Serous choroidal detachment, unspecified eye
    BillableCC
  76. H31.8
    Other specified disorders of choroid
    Billable
  77. H31.9
    Unspecified disorder of choroid
    Billable

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

Notes that also apply

Chapter 7 instructions (Notes 1, Excludes2 11): printed on the chapter 7 page.

Index entries

  • Choroideremia → H31.21
  • Sclerochoroiditis → H31.8
  • Scar, scarringchorioretinal → H31.00-
  • Retinopathy (background)solar → H31.02-
  • Atrophy, atrophic (of)choroid (central) (macular) (myopic) (retina) → H31.10-
  • Degeneration, degenerativechoroid (colloid) (drusen) → H31.10-
  • Dystrophy, dystrophiachoroid (hereditary) → H31.20
  • Atrophiagyrata of choroid and retina → H31.23
  • Hemorrhage, hemorrhagic (concealed)choroid → H31.30-
  • Rupture, rupturedchoroid (direct) (indirect) (traumatic) → H31.32-
  • Detachmentchoroid (old) (postinfectional) (simple) (spontaneous) → H31.40-
  • Disease, diseasedchoroid → H31.9
  • Disorder (of)choroid → H31.9
  • Scar, scarringchorioretinalposterior pole macula → H31.01-
  • Scar, scarringchorioretinalsolar retinopathy → H31.02-
  • Scar, scarringchorioretinalspecified type NEC → H31.09-
  • Atrophy, atrophic (of)choroid (central) (macular) (myopic) (retina)senile → H31.11-
  • Atrophy, atrophic (of)choroid (central) (macular) (myopic) (retina)diffuse secondary → H31.12-
  • Degeneration, degenerativechorioretinalhereditary → H31.20
  • Dystrophy, dystrophiachoroid (hereditary)choroideremia → H31.21
  • Dystrophy, dystrophiachoroid (hereditary)central areolar → H31.22
  • Atrophy, atrophic (of)choroid (central) (macular) (myopic) (retina)gyrate → H31.23
  • Dystrophy, dystrophiachoroid (hereditary)gyrate atrophy → H31.23
  • Dystrophy, dystrophiachoroid (hereditary)specified type NEC → H31.29
  • Hemorrhage, hemorrhagic (concealed)choroidexpulsive → H31.31-
  • Detachmentchoroid (old) (postinfectional) (simple) (spontaneous)hemorrhagic → H31.41-
  • Detachmentchoroid (old) (postinfectional) (simple) (spontaneous)serous → H31.42-
  • Deformitychoroid (congenital)acquired → H31.8
  • Disease, diseasedchoroidspecified NEC → H31.8
  • Disorder (of)choroidspecified type NEC → H31.8
  • Disease, diseaseduveal tract (anterior)posterior → H31.9

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

Hierarchy