H21.3 - Cyst of iris, ciliary body and anterior chamber
H21.34 - Primary cyst of pars plana
H21.341 - Primary cyst of pars plana, right eye
H21.342 - Primary cyst of pars plana, left eye
H21.343 - Primary cyst of pars plana, bilateral
H21.349 - Primary cyst of pars plana, unspecified eye