H18.3Non-Billable (Header)Changes of corneal membranesChild CodesH18.30Unspecified corneal membrane changeH18.31Folds and rupture in Bowman's membraneH18.32Folds in Descemet's membraneH18.33Rupture in Descemet's membraneCode Hierarchy└H18Other disorders of cornea└H18.3Changes of corneal membranes└H18.3Changes of corneal membranes