H18.6

Clinical Information

• A degenerative, structural disorder of the eye, characterized by a cone-shaped protrusion of the cornea. It may lead to visual disturbances.

• A noninflammatory, usually bilateral protrusion of the cornea, the apex being displaced downward and nasally. It occurs most commonly in females at about puberty. The cause is unknown but hereditary factors may play a role. The -conus refers to the cone shape of the corneal protrusion. from Dorland, 27th ed)

• Noninflammatory, usually bilateral protrusion of the cornea in which the apex is displaced downward and nasally; the conus refers to the cone shape of the corneal protrusion.

Details

• H18.6 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.

• The 2023 edition of ICD-10-CM H18.6 became effective on October 1, 2022.

• This is the American ICD-10-CM version of H18.6 – other international versions of ICD-10 H18.6 may differ.