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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H02.879|
Vascular anomalies of unspecified eye, unspecified eyelid
H02.88|
Meibomian gland dysfunction of eyelid
H02.881|
Meibomian gland dysfunction right upper eyelid
H02.882|
Meibomian gland dysfunction right lower eyelid
H02.883|
Meibomian gland dysfunction of right eye, unspecified eyelid
H02.884|
Meibomian gland dysfunction left upper eyelid
H02.885|
Meibomian gland dysfunction left lower eyelid
H02.886|
Meibomian gland dysfunction of left eye, unspecified eyelid
H02.889|
Meibomian gland dysfunction of unspecified eye, unspecified eyelid
H02.88A|
Meibomian gland dysfunction right eye, upper and lower eyelids
H02.88B|
Meibomian gland dysfunction left eye, upper and lower eyelids
H02.89|
Other specified disorders of eyelid
H02.9|
Unspecified disorder of eyelid
H04|
Disorders of lacrimal system
H04.0|
Dacryoadenitis
H04.00|
Unspecified dacryoadenitis
H04.001|
Unspecified dacryoadenitis, right lacrimal gland
H04.002|
Unspecified dacryoadenitis, left lacrimal gland
H04.003|
Unspecified dacryoadenitis, bilateral lacrimal glands
H04.009|
Unspecified dacryoadenitis, unspecified lacrimal gland
H04.01|
Acute dacryoadenitis
H04.011|
Acute dacryoadenitis, right lacrimal gland
H04.012|
Acute dacryoadenitis, left lacrimal gland
H04.013|
Acute dacryoadenitis, bilateral lacrimal glands
H04.019|
Acute dacryoadenitis, unspecified lacrimal gland
H04.02|
Chronic dacryoadenitis
H04.021|
Chronic dacryoadenitis, right lacrimal gland
H04.022|
Chronic dacryoadenitis, left lacrimal gland
H04.023|
Chronic dacryoadenitis, bilateral lacrimal gland
H04.029|
Chronic dacryoadenitis, unspecified lacrimal gland
H04.03|
Chronic enlargement of lacrimal gland
H04.031|
Chronic enlargement of right lacrimal gland
H04.032|
Chronic enlargement of left lacrimal gland
H04.033|
Chronic enlargement of bilateral lacrimal glands
H04.039|
Chronic enlargement of unspecified lacrimal gland
H04.1|
Other disorders of lacrimal gland
H04.11|
Dacryops
H04.111|
Dacryops of right lacrimal gland
H04.112|
Dacryops of left lacrimal gland
H04.113|
Dacryops of bilateral lacrimal glands
H04.119|
Dacryops of unspecified lacrimal gland
H04.12|
Dry eye syndrome
H04.121|
Dry eye syndrome of right lacrimal gland
H04.122|
Dry eye syndrome of left lacrimal gland
H04.123|
Dry eye syndrome of bilateral lacrimal glands
H04.129|
Dry eye syndrome of unspecified lacrimal gland
H04.13|
Lacrimal cyst
H04.131|
Lacrimal cyst, right lacrimal gland
H04.132|
Lacrimal cyst, left lacrimal gland
H04.133|
Lacrimal cyst, bilateral lacrimal glands

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