H21.81

Floppy iris syndrome

Billable / specific

H21.81 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Note: Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition

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)

Add a code to identify the following, if applicable.

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)