H04.429
ICD-10-CMChronic lacrimal canaliculitis of unspecified lacrimal passage
This code signifies a persistent inflammation of the tear duct canaliculi, the small tubes that drain tears from the eye surface into the lacrimal sac. It indicates that the specific canaliculus (upper or lower) affected by the chronic inflammation is not documented.
Use this code when documentation specifies chronic inflammation of a lacrimal canaliculus, but does not specify laterality or which specific canaliculus is involved. This typically occurs when the physician notes "chronic canaliculitis" without further anatomical detail.
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