ICD-10-CM > H00-H59 > H40-H42 > H42 H42 Glaucoma in diseases classified elsewhere Billable/Specific Copy Code Copy Description Code First underlying condition, such as:amyloidosis (E85.-)aniridia (Q13.1)glaucoma (in) diabetes mellitus (E08.39, E09.39, E10.39, E11.39, E13.39)Lowe's syndrome (E72.03)Rieger anomaly (Q13.81)specified metabolic disorder (E70-E88) Type 1 Excludes glaucoma (in) onchocerciasis (B73.02)glaucoma (in) syphilis (A52.71)glaucoma (in) tuberculous (A18.59)neovascular secondary angle closure glaucoma (H40.84-)