All ICD10 Codes
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)
All CodesBillable Only
Internal Codes
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  • H50.122—

    Monocular exotropia with A pattern, left eye

  • H50.131—

    Monocular exotropia with V pattern, right eye

  • H50.132—

    Monocular exotropia with V pattern, left eye

  • H50.141—

    Monocular exotropia with other noncomitancies, right eye

  • H50.142—

    Monocular exotropia with other noncomitancies, left eye

  • H50.15—

    Alternating exotropia

  • H50.16—

    Alternating exotropia with A pattern

  • H50.17—

    Alternating exotropia with V pattern

  • H50.18—

    Alternating exotropia with other noncomitancies

  • H50.21—

    Vertical strabismus, right eye

  • H50.22—

    Vertical strabismus, left eye

  • H50.30—

    Unspecified intermittent heterotropia

  • H50.311—

    Intermittent monocular esotropia, right eye

  • H50.312—

    Intermittent monocular esotropia, left eye

  • H50.32—

    Intermittent alternating esotropia

  • H50.331—

    Intermittent monocular exotropia, right eye

  • H50.332—

    Intermittent monocular exotropia, left eye

  • H50.34—

    Intermittent alternating exotropia

  • H50.40—

    Unspecified heterotropia

  • H50.411—

    Cyclotropia, right eye

  • H50.412—

    Cyclotropia, left eye

  • H50.42—

    Monofixation syndrome

  • H50.43—

    Accommodative component in esotropia

  • H50.50—

    Unspecified heterophoria

  • H50.51—

    Esophoria

  • H50.52—

    Exophoria

  • H50.53—

    Vertical heterophoria

  • H50.54—

    Cyclophoria

  • H50.55—

    Alternating heterophoria

  • H50.60—

    Mechanical strabismus, unspecified

  • H50.611—

    Brown's sheath syndrome, right eye

  • H50.612—

    Brown's sheath syndrome, left eye

  • H50.621—

    Inferior oblique muscle entrapment, right eye

  • H50.622—

    Inferior oblique muscle entrapment, left eye

  • H50.629—

    Inferior oblique muscle entrapment, unspecified eye

  • H50.631—

    Inferior rectus muscle entrapment, right eye

  • H50.632—

    Inferior rectus muscle entrapment, left eye

  • H50.639—

    Inferior rectus muscle entrapment, unspecified eye

  • H50.641—

    Lateral rectus muscle entrapment, right eye

  • H50.642—

    Lateral rectus muscle entrapment, left eye

  • H50.649—

    Lateral rectus muscle entrapment, unspecified eye

  • H50.651—

    Medial rectus muscle entrapment, right eye

  • H50.652—

    Medial rectus muscle entrapment, left eye

  • H50.659—

    Medial rectus muscle entrapment, unspecified eye

  • H50.661—

    Superior oblique muscle entrapment, right eye

  • H50.662—

    Superior oblique muscle entrapment, left eye

  • H50.669—

    Superior oblique muscle entrapment, unspecified eye

  • H50.671—

    Superior rectus muscle entrapment, right eye

  • H50.672—

    Superior rectus muscle entrapment, left eye

  • H50.679—

    Superior rectus muscle entrapment, unspecified eye

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