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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H04.139|
Lacrimal cyst, unspecified lacrimal gland
H04.14|
Primary lacrimal gland atrophy
H04.141|
Primary lacrimal gland atrophy, right lacrimal gland
H04.142|
Primary lacrimal gland atrophy, left lacrimal gland
H04.143|
Primary lacrimal gland atrophy, bilateral lacrimal glands
H04.149|
Primary lacrimal gland atrophy, unspecified lacrimal gland
H04.15|
Secondary lacrimal gland atrophy
H04.151|
Secondary lacrimal gland atrophy, right lacrimal gland
H04.152|
Secondary lacrimal gland atrophy, left lacrimal gland
H04.153|
Secondary lacrimal gland atrophy, bilateral lacrimal glands
H04.159|
Secondary lacrimal gland atrophy, unspecified lacrimal gland
H04.16|
Lacrimal gland dislocation
H04.161|
Lacrimal gland dislocation, right lacrimal gland
H04.162|
Lacrimal gland dislocation, left lacrimal gland
H04.163|
Lacrimal gland dislocation, bilateral lacrimal glands
H04.169|
Lacrimal gland dislocation, unspecified lacrimal gland
H04.19|
Other specified disorders of lacrimal gland
H04.2|
Epiphora
H04.20|
Unspecified epiphora
H04.201|
Unspecified epiphora, right side
H04.202|
Unspecified epiphora, left side
H04.203|
Unspecified epiphora, bilateral
H04.209|
Unspecified epiphora, unspecified side
H04.21|
Epiphora due to excess lacrimation
H04.211|
Epiphora due to excess lacrimation, right lacrimal gland
H04.212|
Epiphora due to excess lacrimation, left lacrimal gland
H04.213|
Epiphora due to excess lacrimation, bilateral lacrimal glands
H04.219|
Epiphora due to excess lacrimation, unspecified lacrimal gland
H04.22|
Epiphora due to insufficient drainage
H04.221|
Epiphora due to insufficient drainage, right side
H04.222|
Epiphora due to insufficient drainage, left side
H04.223|
Epiphora due to insufficient drainage, bilateral
H04.229|
Epiphora due to insufficient drainage, unspecified side
H04.3|
Acute and unspecified inflammation of lacrimal passages
H04.30|
Unspecified dacryocystitis
H04.301|
Unspecified dacryocystitis of right lacrimal passage
H04.302|
Unspecified dacryocystitis of left lacrimal passage
H04.303|
Unspecified dacryocystitis of bilateral lacrimal passages
H04.309|
Unspecified dacryocystitis of unspecified lacrimal passage
H04.31|
Phlegmonous dacryocystitis
H04.311|
Phlegmonous dacryocystitis of right lacrimal passage
H04.312|
Phlegmonous dacryocystitis of left lacrimal passage
H04.313|
Phlegmonous dacryocystitis of bilateral lacrimal passages
H04.319|
Phlegmonous dacryocystitis of unspecified lacrimal passage
H04.32|
Acute dacryocystitis
H04.321|
Acute dacryocystitis of right lacrimal passage
H04.322|
Acute dacryocystitis of left lacrimal passage
H04.323|
Acute dacryocystitis of bilateral lacrimal passages
H04.329|
Acute dacryocystitis of unspecified lacrimal passage
H04.33|
Acute lacrimal canaliculitis

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