H21 Other disorders of iris and ciliary body

ICD-10-CM category H21 sits in Chapter 7 (Diseases of the eye and adnexa, H00-H59). It contains 97 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

H21.0 HyphemaH21.1 Other vascular disorders of iris and ciliary bodyH21.1X Other vascular disorders of iris and ciliary bodyH21.2 Degeneration of iris and ciliary bodyH21.21 Degeneration of chamber angleH21.22 Degeneration of ciliary bodyH21.23 Degeneration of iris (pigmentary)H21.24 Degeneration of pupillary marginH21.25 IridoschisisH21.26 Iris atrophy (essential) (progressive)H21.27 Miotic pupillary cystH21.3 Cyst of iris, ciliary body and anterior chamberH21.30 Idiopathic cysts of iris, ciliary body or anterior chamberH21.31 Exudative cysts of iris or anterior chamberH21.32 Implantation cysts of iris, ciliary body or anterior chamberH21.33 Parasitic cyst of iris, ciliary body or anterior chamberH21.34 Primary cyst of pars planaH21.35 Exudative cyst of pars planaH21.4 Pupillary membranesH21.5 Oth and unsp adhes and disruptions of iris and ciliary bodyH21.50 Unspecified adhesions of irisH21.51 Anterior synechiae (iris)H21.52 GoniosynechiaeH21.53 IridodialysisH21.54 Posterior synechiae (iris)H21.55 Recession of chamber angleH21.56 Pupillary abnormalitiesH21.8 Other specified disorders of iris and ciliary body

Billable codes in H21

Search within ICD-10-CM for H21 and related codes