DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

H10 Conjunctivitis

  • Header · not billable

H10 is not billable. The category heads 72 billable codes in FY2027, grouped under 8 subdivisions.

Index → code

Where it sits

  1. Chapter 7 Diseases of the eye and adnexa (H00-H59)
  2. H10-H11 Disorders of conjunctiva (H10-H11)
  3. H10 Conjunctivitis
Billable codes
72
Subdivisions
8
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
34

Codes in H10

  1. H10.0
    Mucopurulent conjunctivitis
    Header
  2. H10.01
    Acute follicular conjunctivitis
    Header
  3. H10.011
    Acute follicular conjunctivitis, right eye
    Billable
  4. H10.012
    Acute follicular conjunctivitis, left eye
    Billable
  5. H10.013
    Acute follicular conjunctivitis, bilateral
    Billable
  6. H10.019
    Acute follicular conjunctivitis, unspecified eye
    Billable
  7. H10.02
    Other mucopurulent conjunctivitis
    Header
  8. H10.021
    Other mucopurulent conjunctivitis, right eye
    Billable
  9. H10.022
    Other mucopurulent conjunctivitis, left eye
    Billable
  10. H10.023
    Other mucopurulent conjunctivitis, bilateral
    Billable
  11. H10.029
    Other mucopurulent conjunctivitis, unspecified eye
    Billable
  12. H10.1
    Acute atopic conjunctivitis
    Header
    Inclusion terms 1

    Inclusion terms

    • Acute papillary conjunctivitis
  13. H10.10
    Acute atopic conjunctivitis, unspecified eye
    Billable
  14. H10.11
    Acute atopic conjunctivitis, right eye
    Billable
  15. H10.12
    Acute atopic conjunctivitis, left eye
    Billable
  16. H10.13
    Acute atopic conjunctivitis, bilateral
    Billable
  17. H10.2
    Other acute conjunctivitis
    Header
  18. H10.21
    Acute toxic conjunctivitis
    Header
    Inclusion terms 1, Excludes1 1, Code first 1

    Inclusion terms

    • Acute chemical conjunctivitis

    Excludes1

    • burn and corrosion of eye and adnexa (T26.-) T26

    Code first

    • (T51-T65) to identify chemical and intent T51 T65
  19. H10.211
    Acute toxic conjunctivitis, right eye
    Billable
  20. H10.212
    Acute toxic conjunctivitis, left eye
    Billable
  21. H10.213
    Acute toxic conjunctivitis, bilateral
    Billable
  22. H10.219
    Acute toxic conjunctivitis, unspecified eye
    Billable
  23. H10.22
    Pseudomembranous conjunctivitis
    Header
  24. H10.221
    Pseudomembranous conjunctivitis, right eye
    Billable
  25. H10.222
    Pseudomembranous conjunctivitis, left eye
    Billable
  26. H10.223
    Pseudomembranous conjunctivitis, bilateral
    Billable
  27. H10.229
    Pseudomembranous conjunctivitis, unspecified eye
    Billable
  28. H10.23
    Serous conjunctivitis, except viral
    Header
    Excludes1 1

    Excludes1

    • viral conjunctivitis (B30.-) B30
  29. H10.231
    Serous conjunctivitis, except viral, right eye
    Billable
  30. H10.232
    Serous conjunctivitis, except viral, left eye
    Billable
  31. H10.233
    Serous conjunctivitis, except viral, bilateral
    Billable
  32. H10.239
    Serous conjunctivitis, except viral, unspecified eye
    Billable
  33. H10.3
    Unspecified acute conjunctivitis
    Header
    Excludes1 1

    Excludes1

    • ophthalmia neonatorum NOS (P39.1) P39.1
  34. H10.30
    Unspecified acute conjunctivitis, unspecified eye
    Billable
  35. H10.31
    Unspecified acute conjunctivitis, right eye
    Billable
  36. H10.32
    Unspecified acute conjunctivitis, left eye
    Billable
  37. H10.33
    Unspecified acute conjunctivitis, bilateral
    Billable
  38. H10.4
    Chronic conjunctivitis
    Header
  39. H10.40
    Unspecified chronic conjunctivitis
    Header
  40. H10.401
    Unspecified chronic conjunctivitis, right eye
    Billable
  41. H10.402
    Unspecified chronic conjunctivitis, left eye
    Billable
  42. H10.403
    Unspecified chronic conjunctivitis, bilateral
    Billable
  43. H10.409
    Unspecified chronic conjunctivitis, unspecified eye
    Billable
  44. H10.41
    Chronic giant papillary conjunctivitis
    Header
  45. H10.411
    Chronic giant papillary conjunctivitis, right eye
    Billable
  46. H10.412
    Chronic giant papillary conjunctivitis, left eye
    Billable
  47. H10.413
    Chronic giant papillary conjunctivitis, bilateral
    Billable
  48. H10.419
    Chronic giant papillary conjunctivitis, unspecified eye
    Billable
  49. H10.42
    Simple chronic conjunctivitis
    Header
  50. H10.421
    Simple chronic conjunctivitis, right eye
    Billable
  51. H10.422
    Simple chronic conjunctivitis, left eye
    Billable
  52. H10.423
    Simple chronic conjunctivitis, bilateral
    Billable
  53. H10.429
    Simple chronic conjunctivitis, unspecified eye
    Billable
  54. H10.43
    Chronic follicular conjunctivitis
    Header
  55. H10.431
    Chronic follicular conjunctivitis, right eye
    Billable
  56. H10.432
    Chronic follicular conjunctivitis, left eye
    Billable
  57. H10.433
    Chronic follicular conjunctivitis, bilateral
    Billable
  58. H10.439
    Chronic follicular conjunctivitis, unspecified eye
    Billable
  59. H10.44
    Vernal conjunctivitis
    Billable
    Excludes1 1

    Excludes1

    • vernal keratoconjunctivitis with limbar and corneal involvement (H16.26-) H16.26
  60. H10.45
    Other chronic allergic conjunctivitis
    Billable
  61. H10.5
    Blepharoconjunctivitis
    Header
  62. H10.50
    Unspecified blepharoconjunctivitis
    Header
  63. H10.501
    Unspecified blepharoconjunctivitis, right eye
    Billable
  64. H10.502
    Unspecified blepharoconjunctivitis, left eye
    Billable
  65. H10.503
    Unspecified blepharoconjunctivitis, bilateral
    Billable
  66. H10.509
    Unspecified blepharoconjunctivitis, unspecified eye
    Billable
  67. H10.51
    Ligneous conjunctivitis
    Header
    Code also 2

    Code also

    • underlying condition if known, such as:
    • plasminogen deficiency (E88.02) E88.02
  68. H10.511
    Ligneous conjunctivitis, right eye
    Billable
  69. H10.512
    Ligneous conjunctivitis, left eye
    Billable
  70. H10.513
    Ligneous conjunctivitis, bilateral
    Billable
  71. H10.519
    Ligneous conjunctivitis, unspecified eye
    Billable
  72. H10.52
    Angular blepharoconjunctivitis
    Header
  73. H10.521
    Angular blepharoconjunctivitis, right eye
    Billable
  74. H10.522
    Angular blepharoconjunctivitis, left eye
    Billable
  75. H10.523
    Angular blepharoconjunctivitis, bilateral
    Billable
  76. H10.529
    Angular blepharoconjunctivitis, unspecified eye
    Billable
  77. H10.53
    Contact blepharoconjunctivitis
    Header
  78. H10.531
    Contact blepharoconjunctivitis, right eye
    Billable
  79. H10.532
    Contact blepharoconjunctivitis, left eye
    Billable
  80. H10.533
    Contact blepharoconjunctivitis, bilateral
    Billable
  81. H10.539
    Contact blepharoconjunctivitis, unspecified eye
    Billable
  82. H10.8
    Other conjunctivitis
    Header
  83. H10.81
    Pingueculitis
    Header
    Excludes1 1

    Excludes1

  84. H10.811
    Pingueculitis, right eye
    Billable
  85. H10.812
    Pingueculitis, left eye
    Billable
  86. H10.813
    Pingueculitis, bilateral
    Billable
  87. H10.819
    Pingueculitis, unspecified eye
    Billable
  88. H10.82
    Rosacea conjunctivitis
    Header
    Code first 1

    Code first

    • underlying rosacea dermatitis (L71.-) L71
  89. H10.821
    Rosacea conjunctivitis, right eye
    Billable
  90. H10.822
    Rosacea conjunctivitis, left eye
    Billable
  91. H10.823
    Rosacea conjunctivitis, bilateral
    Billable
  92. H10.829
    Rosacea conjunctivitis, unspecified eye
    Billable
  93. H10.89
    Other conjunctivitis
    Billable
  94. H10.9
    Unspecified conjunctivitis
    Billable

Sources of each column.

Instructions

At H10

Excludes1

  • keratoconjunctivitis (H16.2-) H16.2

Notes that also apply

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

Index entries

  • Blepharoconjunctivitis → H10.50-
  • Pingueculitis → H10.81-
  • Conjunctivitis (staphylococcal) (streptococcal) NOS → H10.9
  • Ophthalmia → H10.9
  • Conjunctivitis (staphylococcal) (streptococcal) NOSchemical (acute) → H10.21-
  • Conjunctivitis (staphylococcal) (streptococcal) NOSacute → H10.3-
  • Conjunctivitis (staphylococcal) (streptococcal) NOSchronic (nodosa) (petrificans) (phlyctenular) → H10.40-
  • Blepharoconjunctivitisligneous → H10.51-
  • Blepharoconjunctivitisangular → H10.52-
  • Blepharoconjunctivitiscontact → H10.53-
  • Conjunctivitis (staphylococcal) (streptococcal) NOSrosacea → H10.82-
  • Conjunctivitis (staphylococcal) (streptococcal) NOSParinaud's → H10.89
  • Conjunctivitis (staphylococcal) (streptococcal) NOSpetrificans → H10.89
  • Conjunctivitis (staphylococcal) (streptococcal) NOSspecified NEC → H10.89
  • Conjunctivitis (staphylococcal) (streptococcal) NOStraumatic NEC → H10.89
  • Parinaud'sconjunctivitis → H10.89
  • Parinaud'soculoglandular syndrome → H10.89
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerativeconjunctiva → H10.89
  • Conjunctivitis (staphylococcal) (streptococcal) NOSacutemucopurulent → H10.02-
  • Conjunctivitis (staphylococcal) (streptococcal) NOSacuteatopic → H10.1-
  • Conjunctivitis (staphylococcal) (streptococcal) NOSacutechemical → H10.21-
  • Conjunctivitis (staphylococcal) (streptococcal) NOSacutetoxic → H10.21-
  • Conjunctivitis (staphylococcal) (streptococcal) NOSacutepseudomembranous → H10.22-
  • Conjunctivitis (staphylococcal) (streptococcal) NOSacuteserous except viral → H10.23-
  • Conjunctivitis (staphylococcal) (streptococcal) NOSchronic (nodosa) (petrificans) (phlyctenular)giant papillary → H10.41-
  • Conjunctivitis (staphylococcal) (streptococcal) NOSchronic (nodosa) (petrificans) (phlyctenular)simple → H10.42-
  • Conjunctivitis (staphylococcal) (streptococcal) NOSchronic (nodosa) (petrificans) (phlyctenular)follicular → H10.43-
  • Conjunctivitis (staphylococcal) (streptococcal) NOSchronic (nodosa) (petrificans) (phlyctenular)vernal → H10.44
  • Conjunctivitis (staphylococcal) (streptococcal) NOSallergic (acute)chronic → H10.45
  • Conjunctivitis (staphylococcal) (streptococcal) NOSchronic (nodosa) (petrificans) (phlyctenular)allergic → H10.45
  • Conjunctivitis (staphylococcal) (streptococcal) NOSin (due to)rosacea → H10.82-
  • Conjunctivitis (staphylococcal) (streptococcal) NOSacutemucopurulentfollicular → H10.01-
  • Conjunctivitis (staphylococcal) (streptococcal) NOSallergic (acute)chronicvernal → H10.44
  • Conjunctivitis (staphylococcal) (streptococcal) NOSchronic (nodosa) (petrificans) (phlyctenular)allergicvernal → H10.44

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

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