ICD-10-CM category
H40 Glaucoma
H40 is a category, not a billable code. Report one of the 252 complete codes below.
H40.0…
28 codes
- H40.001Preglaucoma, unspecified, right eye
- H40.002Preglaucoma, unspecified, left eye
- H40.003Preglaucoma, unspecified, bilateral
- H40.009Preglaucoma, unspecified, unspecified eye
- H40.011Open angle with borderline findings, low risk, right eye
- H40.012Open angle with borderline findings, low risk, left eye
- H40.013Open angle with borderline findings, low risk, bilateral
- H40.019Open angle with borderline findings, low risk, unspecified eye
- H40.021Open angle with borderline findings, high risk, right eye
- H40.022Open angle with borderline findings, high risk, left eye
- H40.023Open angle with borderline findings, high risk, bilateral
- H40.029Open angle with borderline findings, high risk, unspecified eye
- H40.031Anatomical narrow angle, right eye
- H40.032Anatomical narrow angle, left eye
- H40.033Anatomical narrow angle, bilateral
- H40.039Anatomical narrow angle, unspecified eye
- H40.041Steroid responder, right eye
- H40.042Steroid responder, left eye
- H40.043Steroid responder, bilateral
- H40.049Steroid responder, unspecified eye
- H40.051Ocular hypertension, right eye
- H40.052Ocular hypertension, left eye
- H40.053Ocular hypertension, bilateral
- H40.059Ocular hypertension, unspecified eye
- H40.061Primary angle closure without glaucoma damage, right eye
- H40.062Primary angle closure without glaucoma damage, left eye
- H40.063Primary angle closure without glaucoma damage, bilateral
- H40.069Primary angle closure without glaucoma damage, unspecified eye
H40.1…
89 codes
- H40.10X0Unspecified open-angle glaucoma, stage unspecified
- H40.10X1Unspecified open-angle glaucoma, mild stage
- H40.10X2Unspecified open-angle glaucoma, moderate stage
- H40.10X3Unspecified open-angle glaucoma, severe stage
- H40.10X4Unspecified open-angle glaucoma, indeterminate stage
- H40.1110Primary open-angle glaucoma, right eye, stage unspecified
- H40.1111Primary open-angle glaucoma, right eye, mild stage
- H40.1112Primary open-angle glaucoma, right eye, moderate stage
- H40.1113Primary open-angle glaucoma, right eye, severe stage
- H40.1114Primary open-angle glaucoma, right eye, indeterminate stage
- H40.1120Primary open-angle glaucoma, left eye, stage unspecified
- H40.1121Primary open-angle glaucoma, left eye, mild stage
- H40.1122Primary open-angle glaucoma, left eye, moderate stage
- H40.1123Primary open-angle glaucoma, left eye, severe stage
- H40.1124Primary open-angle glaucoma, left eye, indeterminate stage
- H40.1130Primary open-angle glaucoma, bilateral, stage unspecified
- H40.1131Primary open-angle glaucoma, bilateral, mild stage
- H40.1132Primary open-angle glaucoma, bilateral, moderate stage
- H40.1133Primary open-angle glaucoma, bilateral, severe stage
- H40.1134Primary open-angle glaucoma, bilateral, indeterminate stage
- H40.1190Primary open-angle glaucoma, unspecified eye, stage unspecified
- H40.1191Primary open-angle glaucoma, unspecified eye, mild stage
- H40.1192Primary open-angle glaucoma, unspecified eye, moderate stage
- H40.1193Primary open-angle glaucoma, unspecified eye, severe stage
- H40.1194Primary open-angle glaucoma, unspecified eye, indeterminate stage
- H40.1210Low-tension glaucoma, right eye, stage unspecified
- H40.1211Low-tension glaucoma, right eye, mild stage
- H40.1212Low-tension glaucoma, right eye, moderate stage
- H40.1213Low-tension glaucoma, right eye, severe stage
- H40.1214Low-tension glaucoma, right eye, indeterminate stage
- H40.1220Low-tension glaucoma, left eye, stage unspecified
- H40.1221Low-tension glaucoma, left eye, mild stage
- H40.1222Low-tension glaucoma, left eye, moderate stage
- H40.1223Low-tension glaucoma, left eye, severe stage
- H40.1224Low-tension glaucoma, left eye, indeterminate stage
- H40.1230Low-tension glaucoma, bilateral, stage unspecified
- H40.1231Low-tension glaucoma, bilateral, mild stage
- H40.1232Low-tension glaucoma, bilateral, moderate stage
- H40.1233Low-tension glaucoma, bilateral, severe stage
- H40.1234Low-tension glaucoma, bilateral, indeterminate stage
- H40.1290Low-tension glaucoma, unspecified eye, stage unspecified
- H40.1291Low-tension glaucoma, unspecified eye, mild stage
- H40.1292Low-tension glaucoma, unspecified eye, moderate stage
- H40.1293Low-tension glaucoma, unspecified eye, severe stage
- H40.1294Low-tension glaucoma, unspecified eye, indeterminate stage
- H40.1310Pigmentary glaucoma, right eye, stage unspecified
- H40.1311Pigmentary glaucoma, right eye, mild stage
- H40.1312Pigmentary glaucoma, right eye, moderate stage
- H40.1313Pigmentary glaucoma, right eye, severe stage
- H40.1314Pigmentary glaucoma, right eye, indeterminate stage
- H40.1320Pigmentary glaucoma, left eye, stage unspecified
- H40.1321Pigmentary glaucoma, left eye, mild stage
- H40.1322Pigmentary glaucoma, left eye, moderate stage
- H40.1323Pigmentary glaucoma, left eye, severe stage
- H40.1324Pigmentary glaucoma, left eye, indeterminate stage
- H40.1330Pigmentary glaucoma, bilateral, stage unspecified
- H40.1331Pigmentary glaucoma, bilateral, mild stage
- H40.1332Pigmentary glaucoma, bilateral, moderate stage
- H40.1333Pigmentary glaucoma, bilateral, severe stage
- H40.1334Pigmentary glaucoma, bilateral, indeterminate stage
- H40.1390Pigmentary glaucoma, unspecified eye, stage unspecified
- H40.1391Pigmentary glaucoma, unspecified eye, mild stage
- H40.1392Pigmentary glaucoma, unspecified eye, moderate stage
- H40.1393Pigmentary glaucoma, unspecified eye, severe stage
- H40.1394Pigmentary glaucoma, unspecified eye, indeterminate stage
- H40.1410Capsular glaucoma with pseudoexfoliation of lens, right eye, stage unspecified
- H40.1411Capsular glaucoma with pseudoexfoliation of lens, right eye, mild stage
- H40.1412Capsular glaucoma with pseudoexfoliation of lens, right eye, moderate stage
- H40.1413Capsular glaucoma with pseudoexfoliation of lens, right eye, severe stage
- H40.1414Capsular glaucoma with pseudoexfoliation of lens, right eye, indeterminate stage
- H40.1420Capsular glaucoma with pseudoexfoliation of lens, left eye, stage unspecified
- H40.1421Capsular glaucoma with pseudoexfoliation of lens, left eye, mild stage
- H40.1422Capsular glaucoma with pseudoexfoliation of lens, left eye, moderate stage
- H40.1423Capsular glaucoma with pseudoexfoliation of lens, left eye, severe stage
- H40.1424Capsular glaucoma with pseudoexfoliation of lens, left eye, indeterminate stage
- H40.1430Capsular glaucoma with pseudoexfoliation of lens, bilateral, stage unspecified
- H40.1431Capsular glaucoma with pseudoexfoliation of lens, bilateral, mild stage
- H40.1432Capsular glaucoma with pseudoexfoliation of lens, bilateral, moderate stage
- H40.1433Capsular glaucoma with pseudoexfoliation of lens, bilateral, severe stage
- H40.1434Capsular glaucoma with pseudoexfoliation of lens, bilateral, indeterminate stage
- H40.1490Capsular glaucoma with pseudoexfoliation of lens, unspecified eye, stage unspecified
- H40.1491Capsular glaucoma with pseudoexfoliation of lens, unspecified eye, mild stage
- H40.1492Capsular glaucoma with pseudoexfoliation of lens, unspecified eye, moderate stage
- H40.1493Capsular glaucoma with pseudoexfoliation of lens, unspecified eye, severe stage
- H40.1494Capsular glaucoma with pseudoexfoliation of lens, unspecified eye, indeterminate stage
- H40.151Residual stage of open-angle glaucoma, right eye
- H40.152Residual stage of open-angle glaucoma, left eye
- H40.153Residual stage of open-angle glaucoma, bilateral
- H40.159Residual stage of open-angle glaucoma, unspecified eye
H40.2…
37 codes
- H40.20X0Unspecified primary angle-closure glaucoma, stage unspecified
- H40.20X1Unspecified primary angle-closure glaucoma, mild stage
- H40.20X2Unspecified primary angle-closure glaucoma, moderate stage
- H40.20X3Unspecified primary angle-closure glaucoma, severe stage
- H40.20X4Unspecified primary angle-closure glaucoma, indeterminate stage
- H40.211Acute angle-closure glaucoma, right eye
- H40.212Acute angle-closure glaucoma, left eye
- H40.213Acute angle-closure glaucoma, bilateral
- H40.219Acute angle-closure glaucoma, unspecified eye
- H40.2210Chronic angle-closure glaucoma, right eye, stage unspecified
- H40.2211Chronic angle-closure glaucoma, right eye, mild stage
- H40.2212Chronic angle-closure glaucoma, right eye, moderate stage
- H40.2213Chronic angle-closure glaucoma, right eye, severe stage
- H40.2214Chronic angle-closure glaucoma, right eye, indeterminate stage
- H40.2220Chronic angle-closure glaucoma, left eye, stage unspecified
- H40.2221Chronic angle-closure glaucoma, left eye, mild stage
- H40.2222Chronic angle-closure glaucoma, left eye, moderate stage
- H40.2223Chronic angle-closure glaucoma, left eye, severe stage
- H40.2224Chronic angle-closure glaucoma, left eye, indeterminate stage
- H40.2230Chronic angle-closure glaucoma, bilateral, stage unspecified
- H40.2231Chronic angle-closure glaucoma, bilateral, mild stage
- H40.2232Chronic angle-closure glaucoma, bilateral, moderate stage
- H40.2233Chronic angle-closure glaucoma, bilateral, severe stage
- H40.2234Chronic angle-closure glaucoma, bilateral, indeterminate stage
- H40.2290Chronic angle-closure glaucoma, unspecified eye, stage unspecified
- H40.2291Chronic angle-closure glaucoma, unspecified eye, mild stage
- H40.2292Chronic angle-closure glaucoma, unspecified eye, moderate stage
- H40.2293Chronic angle-closure glaucoma, unspecified eye, severe stage
- H40.2294Chronic angle-closure glaucoma, unspecified eye, indeterminate stage
- H40.231Intermittent angle-closure glaucoma, right eye
- H40.232Intermittent angle-closure glaucoma, left eye
- H40.233Intermittent angle-closure glaucoma, bilateral
- H40.239Intermittent angle-closure glaucoma, unspecified eye
- H40.241Residual stage of angle-closure glaucoma, right eye
- H40.242Residual stage of angle-closure glaucoma, left eye
- H40.243Residual stage of angle-closure glaucoma, bilateral
- H40.249Residual stage of angle-closure glaucoma, unspecified eye
H40.3…
20 codes
- H40.30X0Glaucoma secondary to eye trauma, unspecified eye, stage unspecified
- H40.30X1Glaucoma secondary to eye trauma, unspecified eye, mild stage
- H40.30X2Glaucoma secondary to eye trauma, unspecified eye, moderate stage
- H40.30X3Glaucoma secondary to eye trauma, unspecified eye, severe stage
- H40.30X4Glaucoma secondary to eye trauma, unspecified eye, indeterminate stage
- H40.31X0Glaucoma secondary to eye trauma, right eye, stage unspecified
- H40.31X1Glaucoma secondary to eye trauma, right eye, mild stage
- H40.31X2Glaucoma secondary to eye trauma, right eye, moderate stage
- H40.31X3Glaucoma secondary to eye trauma, right eye, severe stage
- H40.31X4Glaucoma secondary to eye trauma, right eye, indeterminate stage
- H40.32X0Glaucoma secondary to eye trauma, left eye, stage unspecified
- H40.32X1Glaucoma secondary to eye trauma, left eye, mild stage
- H40.32X2Glaucoma secondary to eye trauma, left eye, moderate stage
- H40.32X3Glaucoma secondary to eye trauma, left eye, severe stage
- H40.32X4Glaucoma secondary to eye trauma, left eye, indeterminate stage
- H40.33X0Glaucoma secondary to eye trauma, bilateral, stage unspecified
- H40.33X1Glaucoma secondary to eye trauma, bilateral, mild stage
- H40.33X2Glaucoma secondary to eye trauma, bilateral, moderate stage
- H40.33X3Glaucoma secondary to eye trauma, bilateral, severe stage
- H40.33X4Glaucoma secondary to eye trauma, bilateral, indeterminate stage
H40.4…
20 codes
- H40.40X0Glaucoma secondary to eye inflammation, unspecified eye, stage unspecified
- H40.40X1Glaucoma secondary to eye inflammation, unspecified eye, mild stage
- H40.40X2Glaucoma secondary to eye inflammation, unspecified eye, moderate stage
- H40.40X3Glaucoma secondary to eye inflammation, unspecified eye, severe stage
- H40.40X4Glaucoma secondary to eye inflammation, unspecified eye, indeterminate stage
- H40.41X0Glaucoma secondary to eye inflammation, right eye, stage unspecified
- H40.41X1Glaucoma secondary to eye inflammation, right eye, mild stage
- H40.41X2Glaucoma secondary to eye inflammation, right eye, moderate stage
- H40.41X3Glaucoma secondary to eye inflammation, right eye, severe stage
- H40.41X4Glaucoma secondary to eye inflammation, right eye, indeterminate stage
- H40.42X0Glaucoma secondary to eye inflammation, left eye, stage unspecified
- H40.42X1Glaucoma secondary to eye inflammation, left eye, mild stage
- H40.42X2Glaucoma secondary to eye inflammation, left eye, moderate stage
- H40.42X3Glaucoma secondary to eye inflammation, left eye, severe stage
- H40.42X4Glaucoma secondary to eye inflammation, left eye, indeterminate stage
- H40.43X0Glaucoma secondary to eye inflammation, bilateral, stage unspecified
- H40.43X1Glaucoma secondary to eye inflammation, bilateral, mild stage
- H40.43X2Glaucoma secondary to eye inflammation, bilateral, moderate stage
- H40.43X3Glaucoma secondary to eye inflammation, bilateral, severe stage
- H40.43X4Glaucoma secondary to eye inflammation, bilateral, indeterminate stage
H40.5…
20 codes
- H40.50X0Glaucoma secondary to other eye disorders, unspecified eye, stage unspecified
- H40.50X1Glaucoma secondary to other eye disorders, unspecified eye, mild stage
- H40.50X2Glaucoma secondary to other eye disorders, unspecified eye, moderate stage
- H40.50X3Glaucoma secondary to other eye disorders, unspecified eye, severe stage
- H40.50X4Glaucoma secondary to other eye disorders, unspecified eye, indeterminate stage
- H40.51X0Glaucoma secondary to other eye disorders, right eye, stage unspecified
- H40.51X1Glaucoma secondary to other eye disorders, right eye, mild stage
- H40.51X2Glaucoma secondary to other eye disorders, right eye, moderate stage
- H40.51X3Glaucoma secondary to other eye disorders, right eye, severe stage
- H40.51X4Glaucoma secondary to other eye disorders, right eye, indeterminate stage
- H40.52X0Glaucoma secondary to other eye disorders, left eye, stage unspecified
- H40.52X1Glaucoma secondary to other eye disorders, left eye, mild stage
- H40.52X2Glaucoma secondary to other eye disorders, left eye, moderate stage
- H40.52X3Glaucoma secondary to other eye disorders, left eye, severe stage
- H40.52X4Glaucoma secondary to other eye disorders, left eye, indeterminate stage
- H40.53X0Glaucoma secondary to other eye disorders, bilateral, stage unspecified
- H40.53X1Glaucoma secondary to other eye disorders, bilateral, mild stage
- H40.53X2Glaucoma secondary to other eye disorders, bilateral, moderate stage
- H40.53X3Glaucoma secondary to other eye disorders, bilateral, severe stage
- H40.53X4Glaucoma secondary to other eye disorders, bilateral, indeterminate stage
H40.6…
20 codes
- H40.60X0Glaucoma secondary to drugs, unspecified eye, stage unspecified
- H40.60X1Glaucoma secondary to drugs, unspecified eye, mild stage
- H40.60X2Glaucoma secondary to drugs, unspecified eye, moderate stage
- H40.60X3Glaucoma secondary to drugs, unspecified eye, severe stage
- H40.60X4Glaucoma secondary to drugs, unspecified eye, indeterminate stage
- H40.61X0Glaucoma secondary to drugs, right eye, stage unspecified
- H40.61X1Glaucoma secondary to drugs, right eye, mild stage
- H40.61X2Glaucoma secondary to drugs, right eye, moderate stage
- H40.61X3Glaucoma secondary to drugs, right eye, severe stage
- H40.61X4Glaucoma secondary to drugs, right eye, indeterminate stage
- H40.62X0Glaucoma secondary to drugs, left eye, stage unspecified
- H40.62X1Glaucoma secondary to drugs, left eye, mild stage
- H40.62X2Glaucoma secondary to drugs, left eye, moderate stage
- H40.62X3Glaucoma secondary to drugs, left eye, severe stage
- H40.62X4Glaucoma secondary to drugs, left eye, indeterminate stage
- H40.63X0Glaucoma secondary to drugs, bilateral, stage unspecified
- H40.63X1Glaucoma secondary to drugs, bilateral, mild stage
- H40.63X2Glaucoma secondary to drugs, bilateral, moderate stage
- H40.63X3Glaucoma secondary to drugs, bilateral, severe stage
- H40.63X4Glaucoma secondary to drugs, bilateral, indeterminate stage
H40.8…
17 codes
- H40.811Glaucoma with increased episcleral venous pressure, right eye
- H40.812Glaucoma with increased episcleral venous pressure, left eye
- H40.813Glaucoma with increased episcleral venous pressure, bilateral
- H40.819Glaucoma with increased episcleral venous pressure, unspecified eye
- H40.821Hypersecretion glaucoma, right eye
- H40.822Hypersecretion glaucoma, left eye
- H40.823Hypersecretion glaucoma, bilateral
- H40.829Hypersecretion glaucoma, unspecified eye
- H40.831Aqueous misdirection, right eye
- H40.832Aqueous misdirection, left eye
- H40.833Aqueous misdirection, bilateral
- H40.839Aqueous misdirection, unspecified eye
- H40.841Neovascular secondary angle closure glaucoma, right eye
- H40.842Neovascular secondary angle closure glaucoma, left eye
- H40.843Neovascular secondary angle closure glaucoma, bilateral
- H40.849Neovascular secondary angle closure glaucoma, unspecified eye
- H40.89Other specified glaucoma
H40.9…
1 code
Outside the US? H40 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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