Additional Information
From parent codes: H00-H59 (Chapter 7)
More Specific Codes (6)
H21.30Idiopathic cysts of iris, ciliary body or anterior chamber→H21.31Exudative cysts of iris or anterior chamber→H21.32Implantation cysts of iris, ciliary body or anterior chamber→H21.33Parasitic cyst of iris, ciliary body or anterior chamber→H21.34Primary cyst of pars plana→H21.35Exudative cyst of pars plana→