Unspecified disorder of iris and ciliary body
Billable / specific
H21.9 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Includes (from H21)
- Note: Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition
Excludes2
Not included here — may be reported together when both conditions exist.
- certain conditions originating in the perinatal period (P04-P96) (from H21)
- certain infectious and parasitic diseases (A00-B99) (from H21)
- complications of pregnancy, childbirth and the puerperium (O00-O9A) (from H21)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from H21)
- diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-) (from H21)
- endocrine, nutritional and metabolic diseases (E00-E88) (from H21)
- injury (trauma) of eye and orbit (S05.-) (from H21)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from H21)
- neoplasms (C00-D49) (from H21)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from H21)
- syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71) (from H21)
- sympathetic uveitis (H44.1-) (from H21)
Also known as
- Disease, diseased, anterior, chamber
- Disease, diseased, aqueous
- Disease, diseased, ciliary body
- Disease, diseased, eye, anterior chamber
- Disease, diseased, iris
- Disease, diseased, uveal tract
- Disorder, iris
- Paralysis, paralytic, muscle, muscular NEC, iris sphincter
Parent code
- H21Other disorders of iris and ciliary bodyHeader
Related codes
- H21.0HyphemaHeader
- H21.1Other vascular disorders of iris and ciliary bodyHeader
- H21.2Degeneration of iris and ciliary bodyHeader
- H21.3Cyst of iris, ciliary body and anterior chamberHeader
- H21.4Pupillary membranesHeader
- H21.5Other and unspecified adhesions and disruptions of iris and ciliary bodyHeader
- H21.8Other specified disorders of iris and ciliary bodyHeader