Chapter 7

H00–H59: Diseases of the Eye and Adnexa

Diseases of the Eye and Adnexa diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury (trauma) of eye and orbit (S05.-)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)
Internal Codes
  • H10.412

    Chronic giant papillary conjunctivitis, left eye

  • H10.413

    Chronic giant papillary conjunctivitis, bilateral

  • H10.419

    Chronic giant papillary conjunctivitis, unspecified eye

  • H10.42

    Simple chronic conjunctivitis

  • H10.421

    Simple chronic conjunctivitis, right eye

  • H10.422

    Simple chronic conjunctivitis, left eye

  • H10.423

    Simple chronic conjunctivitis, bilateral

  • H10.429

    Simple chronic conjunctivitis, unspecified eye

  • H10.43

    Chronic follicular conjunctivitis

  • H10.431

    Chronic follicular conjunctivitis, right eye

  • H10.432

    Chronic follicular conjunctivitis, left eye

  • H10.433

    Chronic follicular conjunctivitis, bilateral

  • H10.439

    Chronic follicular conjunctivitis, unspecified eye

  • H10.44

    Vernal conjunctivitis

  • H10.45

    Other chronic allergic conjunctivitis

  • H10.5

    Blepharoconjunctivitis

  • H10.50

    Unspecified blepharoconjunctivitis

  • H10.501

    Unspecified blepharoconjunctivitis, right eye

  • H10.502

    Unspecified blepharoconjunctivitis, left eye

  • H10.503

    Unspecified blepharoconjunctivitis, bilateral

  • H10.509

    Unspecified blepharoconjunctivitis, unspecified eye

  • H10.51

    Ligneous conjunctivitis

  • H10.511

    Ligneous conjunctivitis, right eye

  • H10.512

    Ligneous conjunctivitis, left eye

  • H10.513

    Ligneous conjunctivitis, bilateral

  • H10.519

    Ligneous conjunctivitis, unspecified eye

  • H10.52

    Angular blepharoconjunctivitis

  • H10.521

    Angular blepharoconjunctivitis, right eye

  • H10.522

    Angular blepharoconjunctivitis, left eye

  • H10.523

    Angular blepharoconjunctivitis, bilateral

  • H10.529

    Angular blepharoconjunctivitis, unspecified eye

  • H10.53

    Contact blepharoconjunctivitis

  • H10.531

    Contact blepharoconjunctivitis, right eye

  • H10.532

    Contact blepharoconjunctivitis, left eye

  • H10.533

    Contact blepharoconjunctivitis, bilateral

  • H10.539

    Contact blepharoconjunctivitis, unspecified eye

  • H10.8

    Other conjunctivitis

  • H10.81

    Pingueculitis

  • H10.811

    Pingueculitis, right eye

  • H10.812

    Pingueculitis, left eye

  • H10.813

    Pingueculitis, bilateral

  • H10.819

    Pingueculitis, unspecified eye

  • H10.82

    Rosacea conjunctivitis

  • H10.821

    Rosacea conjunctivitis, right eye

  • H10.822

    Rosacea conjunctivitis, left eye

  • H10.823

    Rosacea conjunctivitis, bilateral

  • H10.829

    Rosacea conjunctivitis, unspecified eye

  • H10.89

    Other conjunctivitis

  • H10.9

    Unspecified conjunctivitis

  • H11

    Other disorders of conjunctiva

PreviousPage 16 of 70Next