H21.54Non-Billable (Header)Posterior synechiae (iris)Child CodesH21.541Posterior synechiae (iris), right eyeH21.542Posterior synechiae (iris), left eyeH21.543Posterior synechiae (iris), bilateralH21.549Posterior synechiae (iris), unspecified eyeCode Hierarchy└H21Other disorders of iris and ciliary body└H21.5Other and unspecified adhesions and disruptions of iris and ciliary body└H21.54Posterior synechiae (iris)└H21.54Posterior synechiae (iris)