H18.61 Keratoconus, stableNon-billable header with 4 child codes.
H18.611 Keratoconus, stable, right eyeH18.612 Keratoconus, stable, left eyeH18.613 Keratoconus, stable, bilateralH18.619 Keratoconus, stable, unspecified eyeH18.60 Keratoconus, unspecifiedH18.601 Keratoconus, unspecified, right eyeH18.602 Keratoconus, unspecified, left eyeH18.603 Keratoconus, unspecified, bilateralH18.609 Keratoconus, unspecified, unspecified eyeH18.61 Keratoconus, stable (this code)H18.611 Keratoconus, stable, right eyeH18.612 Keratoconus, stable, left eyeH18.613 Keratoconus, stable, bilateralH18.619 Keratoconus, stable, unspecified eyeH18.62 Keratoconus, unstable