Chapter 7

H00–H59: Diseases of the Eye and Adnexa

Diseases of the Eye and Adnexa diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)

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)

All Codes Billable Only

Internal Codes

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H01.81|
Other specified inflammation of right upper eyelid
H01.82|
Other specified inflammation of right lower eyelid
H01.83|
Other specified inflammation of right eye, unspecified eyelid
H01.84|
Other specified inflammation of left upper eyelid
H01.85|
Other specified inflammation of left lower eyelid
H01.86|
Other specified inflammation of left eye, unspecified eyelid
H01.89|
Other specified inflammation of unspecified eye, unspecified eyelid
H01.8A|
Other specified inflammation of right eye, upper and lower eyelids
H01.8B|
Other specified inflammation of left eye, upper and lower eyelids
H01.9|
Unspecified inflammation of eyelid
H02|
Other disorders of eyelid
H02.0|
Entropion and trichiasis of eyelid
H02.00|
Unspecified entropion of eyelid
H02.001|
Unspecified entropion of right upper eyelid
H02.002|
Unspecified entropion of right lower eyelid
H02.003|
Unspecified entropion of right eye, unspecified eyelid
H02.004|
Unspecified entropion of left upper eyelid
H02.005|
Unspecified entropion of left lower eyelid
H02.006|
Unspecified entropion of left eye, unspecified eyelid
H02.009|
Unspecified entropion of unspecified eye, unspecified eyelid
H02.01|
Cicatricial entropion of eyelid
H02.011|
Cicatricial entropion of right upper eyelid
H02.012|
Cicatricial entropion of right lower eyelid
H02.013|
Cicatricial entropion of right eye, unspecified eyelid
H02.014|
Cicatricial entropion of left upper eyelid
H02.015|
Cicatricial entropion of left lower eyelid
H02.016|
Cicatricial entropion of left eye, unspecified eyelid
H02.019|
Cicatricial entropion of unspecified eye, unspecified eyelid
H02.02|
Mechanical entropion of eyelid
H02.021|
Mechanical entropion of right upper eyelid
H02.022|
Mechanical entropion of right lower eyelid
H02.023|
Mechanical entropion of right eye, unspecified eyelid
H02.024|
Mechanical entropion of left upper eyelid
H02.025|
Mechanical entropion of left lower eyelid
H02.026|
Mechanical entropion of left eye, unspecified eyelid
H02.029|
Mechanical entropion of unspecified eye, unspecified eyelid
H02.03|
Senile entropion of eyelid
H02.031|
Senile entropion of right upper eyelid
H02.032|
Senile entropion of right lower eyelid
H02.033|
Senile entropion of right eye, unspecified eyelid
H02.034|
Senile entropion of left upper eyelid
H02.035|
Senile entropion of left lower eyelid
H02.036|
Senile entropion of left eye, unspecified eyelid
H02.039|
Senile entropion of unspecified eye, unspecified eyelid
H02.04|
Spastic entropion of eyelid
H02.041|
Spastic entropion of right upper eyelid
H02.042|
Spastic entropion of right lower eyelid
H02.043|
Spastic entropion of right eye, unspecified eyelid
H02.044|
Spastic entropion of left upper eyelid
H02.045|
Spastic entropion of left lower eyelid

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