ICD-10-CM > H00-H59 > H15-H22 > H18 > H18.5 > H18.54 H18.54 Lattice corneal dystrophy Non-Billable/Non-Specific Codes H18.541Lattice corneal dystrophy, right eyeH18.542Lattice corneal dystrophy, left eyeH18.543Lattice corneal dystrophy, bilateralH18.549Lattice corneal dystrophy, unspecified eye