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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H01.025|
Squamous blepharitis left lower eyelid
H01.026|
Squamous blepharitis left eye, unspecified eyelid
H01.029|
Squamous blepharitis unspecified eye, unspecified eyelid
H01.02A|
Squamous blepharitis right eye, upper and lower eyelids
H01.02B|
Squamous blepharitis left eye, upper and lower eyelids
H01.111|
Allergic dermatitis of right upper eyelid
H01.112|
Allergic dermatitis of right lower eyelid
H01.113|
Allergic dermatitis of right eye, unspecified eyelid
H01.114|
Allergic dermatitis of left upper eyelid
H01.115|
Allergic dermatitis of left lower eyelid
H01.116|
Allergic dermatitis of left eye, unspecified eyelid
H01.119|
Allergic dermatitis of unspecified eye, unspecified eyelid
H01.121|
Discoid lupus erythematosus of right upper eyelid
H01.122|
Discoid lupus erythematosus of right lower eyelid
H01.123|
Discoid lupus erythematosus of right eye, unspecified eyelid
H01.124|
Discoid lupus erythematosus of left upper eyelid
H01.125|
Discoid lupus erythematosus of left lower eyelid
H01.126|
Discoid lupus erythematosus of left eye, unspecified eyelid
H01.129|
Discoid lupus erythematosus of unspecified eye, unspecified eyelid
H01.131|
Eczematous dermatitis of right upper eyelid
H01.132|
Eczematous dermatitis of right lower eyelid
H01.133|
Eczematous dermatitis of right eye, unspecified eyelid
H01.134|
Eczematous dermatitis of left upper eyelid
H01.135|
Eczematous dermatitis of left lower eyelid
H01.136|
Eczematous dermatitis of left eye, unspecified eyelid
H01.139|
Eczematous dermatitis of unspecified eye, unspecified eyelid
H01.141|
Xeroderma of right upper eyelid
H01.142|
Xeroderma of right lower eyelid
H01.143|
Xeroderma of right eye, unspecified eyelid
H01.144|
Xeroderma of left upper eyelid
H01.145|
Xeroderma of left lower eyelid
H01.146|
Xeroderma of left eye, unspecified eyelid
H01.149|
Xeroderma of unspecified eye, unspecified eyelid
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
H02.001|
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

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