DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

H20 Iridocyclitis

  • Header · not billable

H20 is not billable. The category heads 38 billable codes in FY2027, grouped under 5 subdivisions.

Index → code

Where it sits

  1. Chapter 7 Diseases of the eye and adnexa (H00-H59)
  2. H15-H22 Disorders of sclera, cornea, iris and ciliary body (H15-H22)
  3. H20 Iridocyclitis
Billable codes
38
Subdivisions
5
CC / MCC codes
14 / 0
HCC V28 codes
0
New FY2027
0
Index entries
14

Codes in H20

  1. H20.0
    Acute and subacute iridocyclitis
    Header
    Inclusion terms 6, Excludes1 11

    Inclusion terms

    • Acute anterior uveitis
    • Acute cyclitis
    • Acute iritis
    • Subacute anterior uveitis
    • Subacute cyclitis
    • Subacute iritis

    Excludes1

    • iridocyclitis, iritis, uveitis (due to) (in) diabetes mellitus (E08-E13 with .39) E08 E13
    • iridocyclitis, iritis, uveitis (due to) (in) diphtheria (A36.89) A36.89
    • iridocyclitis, iritis, uveitis (due to) (in) gonococcal (A54.32) A54.32
    • iridocyclitis, iritis, uveitis (due to) (in) herpes (simplex) (B00.51) B00.51
    • iridocyclitis, iritis, uveitis (due to) (in) herpes zoster (B02.32) B02.32
    • iridocyclitis, iritis, uveitis (due to) (in) late congenital syphilis (A50.39) A50.39
    • iridocyclitis, iritis, uveitis (due to) (in) late syphilis (A52.71) A52.71
    • iridocyclitis, iritis, uveitis (due to) (in) sarcoidosis (D86.83) D86.83
    • iridocyclitis, iritis, uveitis (due to) (in) syphilis (A51.43) A51.43
    • iridocyclitis, iritis, uveitis (due to) (in) toxoplasmosis (B58.09) B58.09
    • iridocyclitis, iritis, uveitis (due to) (in) tuberculosis (A18.54) A18.54
  2. H20.00
    Unspecified acute and subacute iridocyclitis
    BillableCC
  3. H20.01
    Primary iridocyclitis
    Header
  4. H20.011
    Primary iridocyclitis, right eye
    BillableCC
  5. H20.012
    Primary iridocyclitis, left eye
    BillableCC
  6. H20.013
    Primary iridocyclitis, bilateral
    BillableCC
  7. H20.019
    Primary iridocyclitis, unspecified eye
    BillableCC
  8. H20.02
    Recurrent acute iridocyclitis
    Header
  9. H20.021
    Recurrent acute iridocyclitis, right eye
    BillableCC
  10. H20.022
    Recurrent acute iridocyclitis, left eye
    BillableCC
  11. H20.023
    Recurrent acute iridocyclitis, bilateral
    BillableCC
  12. H20.029
    Recurrent acute iridocyclitis, unspecified eye
    BillableCC
  13. H20.03
    Secondary infectious iridocyclitis
    Header
  14. H20.031
    Secondary infectious iridocyclitis, right eye
    BillableCC
  15. H20.032
    Secondary infectious iridocyclitis, left eye
    BillableCC
  16. H20.033
    Secondary infectious iridocyclitis, bilateral
    BillableCC
  17. H20.039
    Secondary infectious iridocyclitis, unspecified eye
    BillableCC
  18. H20.04
    Secondary noninfectious iridocyclitis
    Header
  19. H20.041
    Secondary noninfectious iridocyclitis, right eye
    Billable
  20. H20.042
    Secondary noninfectious iridocyclitis, left eye
    Billable
  21. H20.043
    Secondary noninfectious iridocyclitis, bilateral
    Billable
  22. H20.049
    Secondary noninfectious iridocyclitis, unspecified eye
    Billable
  23. H20.05
    Hypopyon
    Header
  24. H20.051
    Hypopyon, right eye
    Billable
  25. H20.052
    Hypopyon, left eye
    Billable
  26. H20.053
    Hypopyon, bilateral
    Billable
  27. H20.059
    Hypopyon, unspecified eye
    Billable
  28. H20.1
    Chronic iridocyclitis
    Header
    Excludes2 1, Use additional code 1

    Excludes2

    • posterior cyclitis (H30.2-) H30.2

    Use additional code

    • code for any associated cataract (H26.21-) H26.21
  29. H20.10
    Chronic iridocyclitis, unspecified eye
    Billable
  30. H20.11
    Chronic iridocyclitis, right eye
    Billable
  31. H20.12
    Chronic iridocyclitis, left eye
    Billable
  32. H20.13
    Chronic iridocyclitis, bilateral
    Billable
  33. H20.2
    Lens-induced iridocyclitis
    Header
  34. H20.20
    Lens-induced iridocyclitis, unspecified eye
    Billable
  35. H20.21
    Lens-induced iridocyclitis, right eye
    Billable
  36. H20.22
    Lens-induced iridocyclitis, left eye
    Billable
  37. H20.23
    Lens-induced iridocyclitis, bilateral
    Billable
  38. H20.8
    Other iridocyclitis
    Header
    Excludes2 3

    Excludes2

    • glaucomatocyclitis crises (H40.4-) H40.4
    • posterior cyclitis (H30.2-) H30.2
    • sympathetic uveitis (H44.13-) H44.13
  39. H20.81
    Fuchs' heterochromic cyclitis
    Header
  40. H20.811
    Fuchs' heterochromic cyclitis, right eye
    Billable
  41. H20.812
    Fuchs' heterochromic cyclitis, left eye
    Billable
  42. H20.813
    Fuchs' heterochromic cyclitis, bilateral
    Billable
  43. H20.819
    Fuchs' heterochromic cyclitis, unspecified eye
    Billable
  44. H20.82
    Vogt-Koyanagi syndrome
    Header
  45. H20.821
    Vogt-Koyanagi syndrome, right eye
    Billable
  46. H20.822
    Vogt-Koyanagi syndrome, left eye
    Billable
  47. H20.823
    Vogt-Koyanagi syndrome, bilateral
    Billable
  48. H20.829
    Vogt-Koyanagi syndrome, unspecified eye
    Billable
  49. H20.9
    Unspecified iridocyclitis
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Uveitis NOS

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

  • Vogt-Koyanagi syndrome → H20.82-
  • Cyclitis → H20.9
  • Iridocyclitis → H20.9
  • Iridocyclitisacute → H20.0-
  • Iridocyclitischronic → H20.1-
  • Iridocyclitislens-induced → H20.2-
  • CyclitisFuchs' heterochromic → H20.81-
  • IridocyclitisVogt-Koyanagi → H20.82-
  • SyndromeVogt-Koyanagi → H20.82-
  • Iridocyclitisacuteprimary → H20.01-
  • Iridocyclitisacuterecurrent → H20.02-
  • Iridocyclitisacutesecondary (noninfectious) → H20.04-
  • Iridocyclitisacutehypopyon → H20.05-
  • Iridocyclitisacutesecondary (noninfectious)infectious → H20.03-

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

Hierarchy