2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Disorders Of The Eye And Adnexa 360-379 > Corneal Opacity And Other Disorders Of Cornea 371.* > 2006 ICD-9-CM Diagnosis 371.60 Keratoconus unspecified View the most recent version of ICD-9-CM 371.60 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. 371.60 is a specific code that can be used to specify a diagnosis 371.60 contains 3 index entries View the ICD-9-CM Volume 1 371.* hierarchy  Index entries containing 371.60: Conical cornea 371.60 Conus (any type) (congenital) 743.57 acquired 371.60 Keratoconus 371.60 acute hydrops 371.62 congenital 743.41 stable 371.61