ICD-10-CM > H00-H59 > H40-H42 > H40 > H40.1 H40.1 Open-angle glaucoma Non-Billable/Non-Specific Codes H40.10Unspecified open-angle glaucomaH40.10X0..., stage unspecifiedH40.10X1..., mild stageH40.10X2..., moderate stageH40.10X3..., severe stageH40.10X4..., indeterminate stageH40.11Primary open-angle glaucomaH40.111Primary open-angle glaucoma, right eyeH40.1110..., stage unspecifiedH40.1111..., mild stageH40.1112..., moderate stageH40.1113..., severe stageH40.1114..., indeterminate stageH40.112Primary open-angle glaucoma, left eyeH40.1120..., stage unspecifiedH40.1121..., mild stageH40.1122..., moderate stageH40.1123..., severe stageH40.1124..., indeterminate stageH40.113Primary open-angle glaucoma, bilateralH40.1130..., stage unspecifiedH40.1131..., mild stageH40.1132..., moderate stageH40.1133..., severe stageH40.1134..., indeterminate stageH40.119Primary open-angle glaucoma, unspecified eyeH40.1190..., stage unspecifiedH40.1191..., mild stageH40.1192..., moderate stageH40.1193..., severe stageH40.1194..., indeterminate stageH40.12Low-tension glaucomaH40.121Low-tension glaucoma, right eyeH40.1210..., stage unspecifiedH40.1211..., mild stageH40.1212..., moderate stageH40.1213..., severe stageH40.1214..., indeterminate stageH40.122Low-tension glaucoma, left eyeH40.1220..., stage unspecifiedH40.1221..., mild stageH40.1222..., moderate stageH40.1223..., severe stageH40.1224..., indeterminate stageH40.123Low-tension glaucoma, bilateralH40.1230..., stage unspecifiedH40.1231..., mild stageH40.1232..., moderate stageH40.1233..., severe stageH40.1234..., indeterminate stageH40.129Low-tension glaucoma, unspecified eyeH40.1290..., stage unspecifiedH40.1291..., mild stageH40.1292..., moderate stageH40.1293..., severe stageH40.1294..., indeterminate stageH40.13Pigmentary glaucomaH40.131Pigmentary glaucoma, right eyeH40.1310..., stage unspecifiedH40.1311..., mild stageH40.1312..., moderate stageH40.1313..., severe stageH40.1314..., indeterminate stageH40.132Pigmentary glaucoma, left eyeH40.1320..., stage unspecifiedH40.1321..., mild stageH40.1322..., moderate stageH40.1323..., severe stageH40.1324..., indeterminate stageH40.133Pigmentary glaucoma, bilateralH40.1330..., stage unspecifiedH40.1331..., mild stageH40.1332..., moderate stageH40.1333..., severe stageH40.1334..., indeterminate stageH40.139Pigmentary glaucoma, unspecified eyeH40.1390..., stage unspecifiedH40.1391..., mild stageH40.1392..., moderate stageH40.1393..., severe stageH40.1394..., indeterminate stageH40.14Capsular glaucoma with pseudoexfoliation of lensH40.141Capsular glaucoma with pseudoexfoliation of lens, right eyeH40.1410..., stage unspecifiedH40.1411..., mild stageH40.1412..., moderate stageH40.1413..., severe stageH40.1414..., indeterminate stageH40.142Capsular glaucoma with pseudoexfoliation of lens, left eyeH40.1420..., stage unspecifiedH40.1421..., mild stageH40.1422..., moderate stageH40.1423..., severe stageH40.1424..., indeterminate stageH40.143Capsular glaucoma with pseudoexfoliation of lens, bilateralH40.1430..., stage unspecifiedH40.1431..., mild stageH40.1432..., moderate stageH40.1433..., severe stageH40.1434..., indeterminate stageH40.149Capsular glaucoma with pseudoexfoliation of lens, unspecified eyeH40.1490..., stage unspecifiedH40.1491..., mild stageH40.1492..., moderate stageH40.1493..., severe stageH40.1494..., indeterminate stageH40.15Residual stage of open-angle glaucomaH40.151Residual stage of open-angle glaucoma, right eyeH40.152Residual stage of open-angle glaucoma, left eyeH40.153Residual stage of open-angle glaucoma, bilateralH40.159Residual stage of open-angle glaucoma, unspecified eye