About Section H40-H42

Section H40-H42 covers Glaucoma within Chapter 7 of the ICD-10-CM Tabular List. This section includes diagnosis codes ranging from H40 to H42. Each code below includes its description, billable status, and links to detailed coding guidelines.
Diagnosis Codes 130 entries
H40GlaucomaNon-Billable›H40.0Glaucoma suspectNon-Billable›H40.00Preglaucoma, unspecifiedNon-Billable›H40.001Preglaucoma, unspecified, right eyeBillable›H40.002Preglaucoma, unspecified, left eyeBillable›H40.003Preglaucoma, unspecified, bilateralBillable›H40.009Preglaucoma, unspecified, unspecified eyeBillable›H40.01Open angle with borderline findings, low riskNon-Billable›H40.011Open angle with borderline findings, low risk, right eyeBillable›H40.012Open angle with borderline findings, low risk, left eyeBillable›H40.013Open angle with borderline findings, low risk, bilateralBillable›H40.019Open angle with borderline findings, low risk, unspecified eyeBillable›H40.02Open angle with borderline findings, high riskNon-Billable›H40.021Open angle with borderline findings, high risk, right eyeBillable›H40.022Open angle with borderline findings, high risk, left eyeBillable›H40.023Open angle with borderline findings, high risk, bilateralBillable›H40.029Open angle with borderline findings, high risk, unspecified eyeBillable›H40.03Anatomical narrow angleNon-Billable›H40.031Anatomical narrow angle, right eyeBillable›H40.032Anatomical narrow angle, left eyeBillable›H40.033Anatomical narrow angle, bilateralBillable›H40.039Anatomical narrow angle, unspecified eyeBillable›H40.04Steroid responderNon-Billable›H40.041Steroid responder, right eyeBillable›H40.042Steroid responder, left eyeBillable›H40.043Steroid responder, bilateralBillable›H40.049Steroid responder, unspecified eyeBillable›H40.05Ocular hypertensionNon-Billable›H40.051Ocular hypertension, right eyeBillable›H40.052Ocular hypertension, left eyeBillable›H40.053Ocular hypertension, bilateralBillable›H40.059Ocular hypertension, unspecified eyeBillable›H40.06Primary angle closure without glaucoma damageNon-Billable›H40.061Primary angle closure without glaucoma damage, right eyeBillable›H40.062Primary angle closure without glaucoma damage, left eyeBillable›H40.063Primary angle closure without glaucoma damage, bilateralBillable›H40.069Primary angle closure without glaucoma damage, unspecified eyeBillable›H40.1Open-angle glaucomaNon-Billable›H40.10Unspecified open-angle glaucomaBillable›H40.11Primary open-angle glaucomaNon-Billable›H40.111Primary open-angle glaucoma, right eyeBillable›H40.112Primary open-angle glaucoma, left eyeBillable›H40.113Primary open-angle glaucoma, bilateralBillable›H40.119Primary open-angle glaucoma, unspecified eyeBillable›H40.12Low-tension glaucomaNon-Billable›H40.121Low-tension glaucoma, right eyeBillable›H40.122Low-tension glaucoma, left eyeBillable›H40.123Low-tension glaucoma, bilateralBillable›H40.129Low-tension glaucoma, unspecified eyeBillable›H40.13Pigmentary glaucomaNon-Billable›H40.131Pigmentary glaucoma, right eyeBillable›H40.132Pigmentary glaucoma, left eyeBillable›H40.133Pigmentary glaucoma, bilateralBillable›H40.139Pigmentary glaucoma, unspecified eyeBillable›H40.14Capsular glaucoma with pseudoexfoliation of lensNon-Billable›H40.141Capsular glaucoma with pseudoexfoliation of lens, right eyeBillable›H40.142Capsular glaucoma with pseudoexfoliation of lens, left eyeBillable›H40.143Capsular glaucoma with pseudoexfoliation of lens, bilateralBillable›H40.149Capsular glaucoma with pseudoexfoliation of lens, unspecified eyeBillable›H40.15Residual stage of open-angle glaucomaNon-Billable›H40.151Residual stage of open-angle glaucoma, right eyeBillable›H40.152Residual stage of open-angle glaucoma, left eyeBillable›H40.153Residual stage of open-angle glaucoma, bilateralBillable›H40.159Residual stage of open-angle glaucoma, unspecified eyeBillable›H40.2Primary angle-closure glaucomaNon-Billable›H40.20Unspecified primary angle-closure glaucomaBillable›H40.21Acute angle-closure glaucomaNon-Billable›H40.211Acute angle-closure glaucoma, right eyeBillable›H40.212Acute angle-closure glaucoma, left eyeBillable›H40.213Acute angle-closure glaucoma, bilateralBillable›H40.219Acute angle-closure glaucoma, unspecified eyeBillable›H40.22Chronic angle-closure glaucomaNon-Billable›H40.221Chronic angle-closure glaucoma, right eyeBillable›H40.222Chronic angle-closure glaucoma, left eyeBillable›H40.223Chronic angle-closure glaucoma, bilateralBillable›H40.229Chronic angle-closure glaucoma, unspecified eyeBillable›H40.23Intermittent angle-closure glaucomaNon-Billable›H40.231Intermittent angle-closure glaucoma, right eyeBillable›H40.232Intermittent angle-closure glaucoma, left eyeBillable›H40.233Intermittent angle-closure glaucoma, bilateralBillable›H40.239Intermittent angle-closure glaucoma, unspecified eyeBillable›H40.24Residual stage of angle-closure glaucomaNon-Billable›H40.241Residual stage of angle-closure glaucoma, right eyeBillable›H40.242Residual stage of angle-closure glaucoma, left eyeBillable›H40.243Residual stage of angle-closure glaucoma, bilateralBillable›H40.249Residual stage of angle-closure glaucoma, unspecified eyeBillable›H40.3Glaucoma secondary to eye traumaNon-Billable›H40.30Glaucoma secondary to eye trauma, unspecified eyeBillable›H40.31Glaucoma secondary to eye trauma, right eyeBillable›H40.32Glaucoma secondary to eye trauma, left eyeBillable›H40.33Glaucoma secondary to eye trauma, bilateralBillable›H40.4Glaucoma secondary to eye inflammationNon-Billable›H40.40Glaucoma secondary to eye inflammation, unspecified eyeBillable›H40.41Glaucoma secondary to eye inflammation, right eyeBillable›H40.42Glaucoma secondary to eye inflammation, left eyeBillable›H40.43Glaucoma secondary to eye inflammation, bilateralBillable›H40.5Glaucoma secondary to other eye disordersNon-Billable›H40.50Glaucoma secondary to other eye disorders, unspecified eyeBillable›H40.51Glaucoma secondary to other eye disorders, right eyeBillable›H40.52Glaucoma secondary to other eye disorders, left eyeBillable›H40.53Glaucoma secondary to other eye disorders, bilateralBillable›H40.6Glaucoma secondary to drugsNon-Billable›H40.60Glaucoma secondary to drugs, unspecified eyeBillable›H40.61Glaucoma secondary to drugs, right eyeBillable›H40.62Glaucoma secondary to drugs, left eyeBillable›H40.63Glaucoma secondary to drugs, bilateralBillable›H40.8Other glaucomaNon-Billable›H40.81Glaucoma with increased episcleral venous pressureNon-Billable›H40.811Glaucoma with increased episcleral venous pressure, right eyeBillable›H40.812Glaucoma with increased episcleral venous pressure, left eyeBillable›H40.813Glaucoma with increased episcleral venous pressure, bilateralBillable›H40.819Glaucoma with increased episcleral venous pressure, unspecified eyeBillable›H40.82Hypersecretion glaucomaNon-Billable›H40.821Hypersecretion glaucoma, right eyeBillable›H40.822Hypersecretion glaucoma, left eyeBillable›H40.823Hypersecretion glaucoma, bilateralBillable›H40.829Hypersecretion glaucoma, unspecified eyeBillable›H40.83Aqueous misdirectionNon-Billable›H40.831Aqueous misdirection, right eyeBillable›H40.832Aqueous misdirection, left eyeBillable›H40.833Aqueous misdirection, bilateralBillable›H40.839Aqueous misdirection, unspecified eyeBillable›H40.84Neovascular secondary angle closure glaucomaNon-Billable›H40.841Neovascular secondary angle closure glaucoma, right eyeBillable›H40.842Neovascular secondary angle closure glaucoma, left eyeBillable›H40.843Neovascular secondary angle closure glaucoma, bilateralBillable›H40.849Neovascular secondary angle closure glaucoma, unspecified eyeBillable›H40.89Other specified glaucomaBillable›H40.9Unspecified glaucomaBillable›H42Glaucoma in diseases classified elsewhereBillable›