Instruction Source: H00-H59 Diseases of the eye and adnexa Excludes 2 (Not Included Here) certain conditions originating in the perinatal period (P04-P96)certain infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O9A)congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)endocrine, nutritional and metabolic diseases (E00-E88)injury (trauma) of eye and orbit (S05.-)injury, poisoning and certain other consequences of external causes (S00-T88)neoplasms (C00-D49)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71) Clinical Notes Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition