ICD-10-CM > H00-H59 > H00-H05 > H04 > H04.4 > H04.42 H04.42 Chronic lacrimal canaliculitis Non-Billable/Non-Specific Codes H04.421Chronic lacrimal canaliculitis of right lacrimal passageH04.422Chronic lacrimal canaliculitis of left lacrimal passageH04.423Chronic lacrimal canaliculitis of bilateral lacrimal passagesH04.429Chronic lacrimal canaliculitis of unspecified lacrimal passage