DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

H33 Retinal detachments and breaks

  • Header · not billable

H33 is not billable. The category heads 65 billable codes in FY2027, grouped under 6 subdivisions.

Index → code

  • Retinoschisis → H33.10-
  • Break, retina (without detachment) → H33.30-
  • Retinoschisisspecified type NEC → H33.19-

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. H33 Retinal detachments and breaks
Billable codes
65
Subdivisions
6
CC / MCC codes
13 / 0
HCC V28 codes
0
New FY2027
0
Index entries
18

Codes in H33

  1. H33.0
    Retinal detachment with retinal break
    Header
    Inclusion terms 1, Excludes1 1

    Inclusion terms

    • Rhegmatogenous retinal detachment

    Excludes1

    • serous retinal detachment (without retinal break) (H33.2-) H33.2
  2. H33.00
    Unspecified retinal detachment with retinal break
    Header
  3. H33.001
    Unspecified retinal detachment with retinal break, right eye
    Billable
  4. H33.002
    Unspecified retinal detachment with retinal break, left eye
    Billable
  5. H33.003
    Unspecified retinal detachment with retinal break, bilateral
    Billable
  6. H33.009
    Unspecified retinal detachment with retinal break, unspecified eye
    Billable
  7. H33.01
    Retinal detachment with single break
    Header
  8. H33.011
    Retinal detachment with single break, right eye
    Billable
  9. H33.012
    Retinal detachment with single break, left eye
    Billable
  10. H33.013
    Retinal detachment with single break, bilateral
    Billable
  11. H33.019
    Retinal detachment with single break, unspecified eye
    Billable
  12. H33.02
    Retinal detachment with multiple breaks
    Header
  13. H33.021
    Retinal detachment with multiple breaks, right eye
    Billable
  14. H33.022
    Retinal detachment with multiple breaks, left eye
    Billable
  15. H33.023
    Retinal detachment with multiple breaks, bilateral
    Billable
  16. H33.029
    Retinal detachment with multiple breaks, unspecified eye
    Billable
  17. H33.03
    Retinal detachment with giant retinal tear
    Header
  18. H33.031
    Retinal detachment with giant retinal tear, right eye
    Billable
  19. H33.032
    Retinal detachment with giant retinal tear, left eye
    Billable
  20. H33.033
    Retinal detachment with giant retinal tear, bilateral
    Billable
  21. H33.039
    Retinal detachment with giant retinal tear, unspecified eye
    Billable
  22. H33.04
    Retinal detachment with retinal dialysis
    Header
  23. H33.041
    Retinal detachment with retinal dialysis, right eye
    Billable
  24. H33.042
    Retinal detachment with retinal dialysis, left eye
    Billable
  25. H33.043
    Retinal detachment with retinal dialysis, bilateral
    Billable
  26. H33.049
    Retinal detachment with retinal dialysis, unspecified eye
    Billable
  27. H33.05
    Total retinal detachment
    Header
  28. H33.051
    Total retinal detachment, right eye
    Billable
  29. H33.052
    Total retinal detachment, left eye
    Billable
  30. H33.053
    Total retinal detachment, bilateral
    Billable
  31. H33.059
    Total retinal detachment, unspecified eye
    Billable
  32. H33.1
    Retinoschisis and retinal cysts
    Header
    Excludes1 2

    Excludes1

    • congenital retinoschisis (Q14.1) Q14.1
    • microcystoid degeneration of retina (H35.42-) H35.42
  33. H33.10
    Unspecified retinoschisis
    Header
  34. H33.101
    Unspecified retinoschisis, right eye
    Billable
  35. H33.102
    Unspecified retinoschisis, left eye
    Billable
  36. H33.103
    Unspecified retinoschisis, bilateral
    Billable
  37. H33.109
    Unspecified retinoschisis, unspecified eye
    Billable
  38. H33.11
    Cyst of ora serrata
    Header
  39. H33.111
    Cyst of ora serrata, right eye
    Billable
  40. H33.112
    Cyst of ora serrata, left eye
    Billable
  41. H33.113
    Cyst of ora serrata, bilateral
    Billable
  42. H33.119
    Cyst of ora serrata, unspecified eye
    Billable
  43. H33.12
    Parasitic cyst of retina
    Header
  44. H33.121
    Parasitic cyst of retina, right eye
    BillableCC
  45. H33.122
    Parasitic cyst of retina, left eye
    BillableCC
  46. H33.123
    Parasitic cyst of retina, bilateral
    BillableCC
  47. H33.129
    Parasitic cyst of retina, unspecified eye
    BillableCC
  48. H33.19
    Other retinoschisis and retinal cysts
    Header
    Inclusion terms 1

    Inclusion terms

    • Pseudocyst of retina
  49. H33.191
    Other retinoschisis and retinal cysts, right eye
    Billable
  50. H33.192
    Other retinoschisis and retinal cysts, left eye
    Billable
  51. H33.193
    Other retinoschisis and retinal cysts, bilateral
    Billable
  52. H33.199
    Other retinoschisis and retinal cysts, unspecified eye
    Billable
  53. H33.2
    Serous retinal detachment
    Header
    Inclusion terms 2, Excludes1 1

    Inclusion terms

    • Retinal detachment NOS
    • Retinal detachment without retinal break

    Excludes1

    • central serous chorioretinopathy (H35.71-) H35.71
  54. H33.20
    Serous retinal detachment, unspecified eye
    BillableCC
  55. H33.21
    Serous retinal detachment, right eye
    BillableCC
  56. H33.22
    Serous retinal detachment, left eye
    BillableCC
  57. H33.23
    Serous retinal detachment, bilateral
    BillableCC
  58. H33.3
    Retinal breaks without detachment
    Header
    Excludes1 1, Excludes2 1

    Excludes1

    • chorioretinal scars after surgery for detachment (H59.81-) H59.81

    Excludes2

    • peripheral retinal degeneration without break (H35.4-) H35.4
  59. H33.30
    Unspecified retinal break
    Header
  60. H33.301
    Unspecified retinal break, right eye
    Billable
  61. H33.302
    Unspecified retinal break, left eye
    Billable
  62. H33.303
    Unspecified retinal break, bilateral
    Billable
  63. H33.309
    Unspecified retinal break, unspecified eye
    Billable
  64. H33.31
    Horseshoe tear of retina without detachment
    Header
    Inclusion terms 1

    Inclusion terms

    • Operculum of retina without detachment
  65. H33.311
    Horseshoe tear of retina without detachment, right eye
    Billable
  66. H33.312
    Horseshoe tear of retina without detachment, left eye
    Billable
  67. H33.313
    Horseshoe tear of retina without detachment, bilateral
    Billable
  68. H33.319
    Horseshoe tear of retina without detachment, unspecified eye
    Billable
  69. H33.32
    Round hole of retina without detachment
    Header
  70. H33.321
    Round hole, right eye
    Billable
  71. H33.322
    Round hole, left eye
    Billable
  72. H33.323
    Round hole, bilateral
    Billable
  73. H33.329
    Round hole, unspecified eye
    Billable
  74. H33.33
    Multiple defects of retina without detachment
    Header
  75. H33.331
    Multiple defects of retina without detachment, right eye
    Billable
  76. H33.332
    Multiple defects of retina without detachment, left eye
    Billable
  77. H33.333
    Multiple defects of retina without detachment, bilateral
    Billable
  78. H33.339
    Multiple defects of retina without detachment, unspecified eye
    Billable
  79. H33.4
    Traction detachment of retina
    Header
    Inclusion terms 1

    Inclusion terms

    • Proliferative vitreo-retinopathy with retinal detachment
  80. H33.40
    Traction detachment of retina, unspecified eye
    BillableCC
  81. H33.41
    Traction detachment of retina, right eye
    BillableCC
  82. H33.42
    Traction detachment of retina, left eye
    BillableCC
  83. H33.43
    Traction detachment of retina, bilateral
    BillableCC
  84. H33.8
    Other retinal detachments
    BillableCC

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 H33

Excludes1

  • detachment of retinal pigment epithelium (H35.72-, H35.73-) H35.72 H35.73

Notes that also apply

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

Index entries

  • Retinoschisis → H33.10-
  • Break, retina (without detachment) → H33.30-
  • Cyst (colloid) (mucous) (simple) (retention)retina → H33.19-
  • Retinoschisisspecified type NEC → H33.19-
  • Detachmentretina (without retinal break) (serous) → H33.2-
  • Break, retina (without detachment)horseshoe tear → H33.31-
  • Break, retina (without detachment)round hole → H33.32-
  • Break, retina (without detachment)multiple → H33.33-
  • Detachmentretina (without retinal break) (serous)total → H33.05-
  • Cyst (colloid) (mucous) (simple) (retention)retinaora serrata → H33.11-
  • Cyst (colloid) (mucous) (simple) (retention)retinaparasitic → H33.12-
  • Detachmentretina (without retinal break) (serous)traction → H33.4-
  • Detachmentretina (without retinal break) (serous)specified NEC → H33.8
  • Detachmentretina (without retinal break) (serous)with retinal:break → H33.00-
  • Detachmentretina (without retinal break) (serous)with retinal:dialysis → H33.04-
  • Detachmentretina (without retinal break) (serous)with retinal:breaksingle → H33.01-
  • Detachmentretina (without retinal break) (serous)with retinal:breakmultiple → H33.02-
  • Detachmentretina (without retinal break) (serous)with retinal:breakgiant → H33.03-

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