Additional Information
From parent codes: H00-H59 (Chapter 7)
More Specific Codes (10)
H21.3Cyst of iris, ciliary body and 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→H21.301Idiopathic cysts of iris, ciliary body or anterior chamber, right eye→H21.302Idiopathic cysts of iris, ciliary body or anterior chamber, left eye→H21.303Idiopathic cysts of iris, ciliary body or anterior chamber, bilateral→H21.309Idiopathic cysts of iris, ciliary body or anterior chamber, unspecified eye→