ICD↔CPT crosswalk
CPT 92499: ICD-10 codes that support medical necessity
These ICD-10-CM diagnoses support medical necessity for CPT 92499 under Medicare coverage policies (LCDs, NCDs, and Billing & Coding articles). Billing CPT 92499 with a diagnosis that isn't covered typically denies as CARC 50 — not medically necessary.
National approximation. Coverage varies by MAC and state — confirm against the specific LCD/NCD and article that applies to your jurisdiction and date of service.
| ICD-10 | Description |
|---|---|
| H18.11 | Bullous keratopathy, right eye |
| H18.12 | Bullous keratopathy, left eye |
| H18.13 | Bullous keratopathy, bilateral |
| H18.221 | Idiopathic corneal edema, right eye |
| H18.222 | Idiopathic corneal edema, left eye |
| H18.223 | Idiopathic corneal edema, bilateral |
| H18.231 | Secondary corneal edema, right eye |
| H18.232 | Secondary corneal edema, left eye |
| H18.233 | Secondary corneal edema, bilateral |
| H18.461 | Peripheral corneal degeneration, right eye |
| H18.462 | Peripheral corneal degeneration, left eye |
| H18.463 | Peripheral corneal degeneration, bilateral |
| H18.501 | Unspecified hereditary corneal dystrophies, right eye |
| H18.502 | Unspecified hereditary corneal dystrophies, left eye |
| H18.503 | Unspecified hereditary corneal dystrophies, bilateral |
| H18.511 | Endothelial corneal dystrophy, right eye |
| H18.512 | Endothelial corneal dystrophy, left eye |
| H18.513 | Endothelial corneal dystrophy, bilateral |
| H18.521 | Epithelial (juvenile) corneal dystrophy, right eye |
| H18.522 | Epithelial (juvenile) corneal dystrophy, left eye |
| H18.523 | Epithelial (juvenile) corneal dystrophy, bilateral |
| H18.531 | Granular corneal dystrophy, right eye |
| H18.532 | Granular corneal dystrophy, left eye |
| H18.533 | Granular corneal dystrophy, bilateral |
| H18.541 | Lattice corneal dystrophy, right eye |
| H18.542 | Lattice corneal dystrophy, left eye |
| H18.543 | Lattice corneal dystrophy, bilateral |
| H18.551 | Macular corneal dystrophy, right eye |
| H18.552 | Macular corneal dystrophy, left eye |
| H18.553 | Macular corneal dystrophy, bilateral |
| H18.591 | Other hereditary corneal dystrophies, right eye |
| H18.592 | Other hereditary corneal dystrophies, left eye |
| H18.593 | Other hereditary corneal dystrophies, bilateral |
| H18.601 | Keratoconus, unspecified, right eye |
| H18.602 | Keratoconus, unspecified, left eye |
| H18.603 | Keratoconus, unspecified, bilateral |
| H18.611 | Keratoconus, stable, right eye |
| H18.612 | Keratoconus, stable, left eye |
| H18.613 | Keratoconus, stable, bilateral |
| H18.621 | Keratoconus, unstable, right eye |
| H18.622 | Keratoconus, unstable, left eye |
| H18.623 | Keratoconus, unstable, bilateral |
| H21.551 | Recession of chamber angle, right eye |
| H21.552 | Recession of chamber angle, left eye |
| H21.553 | Recession of chamber angle, bilateral |
| H40.001 | Preglaucoma, unspecified, right eye |
| H40.002 | Preglaucoma, unspecified, left eye |
| H40.003 | Preglaucoma, unspecified, bilateral |
| H40.011 | Open angle with borderline findings, low risk, right eye |
| H40.012 | Open angle with borderline findings, low risk, left eye |
| H40.013 | Open angle with borderline findings, low risk, bilateral |
| H40.021 | Open angle with borderline findings, high risk, right eye |
| H40.022 | Open angle with borderline findings, high risk, left eye |
| H40.023 | Open angle with borderline findings, high risk, bilateral |
| H40.031 | Anatomical narrow angle, right eye |
| H40.032 | Anatomical narrow angle, left eye |
| H40.033 | Anatomical narrow angle, bilateral |
| H40.041 | Steroid responder, right eye |
| H40.042 | Steroid responder, left eye |
| H40.043 | Steroid responder, bilateral |
| H40.051 | Ocular hypertension, right eye |
| H40.052 | Ocular hypertension, left eye |
| H40.053 | Ocular hypertension, bilateral |
| H40.061 | Primary angle closure without glaucoma damage, right eye |
| H40.062 | Primary angle closure without glaucoma damage, left eye |
| H40.063 | Primary angle closure without glaucoma damage, bilateral |
| H40.10X1 | Unspecified open-angle glaucoma, mild stage |
| H40.10X2 | Unspecified open-angle glaucoma, moderate stage |
| H40.10X3 | Unspecified open-angle glaucoma, severe stage |
| H40.10X4 | Unspecified open-angle glaucoma, indeterminate stage |
| H40.1110 | Primary open-angle glaucoma, right eye, stage unspecified |
| H40.1111 | Primary open-angle glaucoma, right eye, mild stage |
| H40.1112 | Primary open-angle glaucoma, right eye, moderate stage |
| H40.1113 | Primary open-angle glaucoma, right eye, severe stage |
| H40.1114 | Primary open-angle glaucoma, right eye, indeterminate stage |
| H40.1120 | Primary open-angle glaucoma, left eye, stage unspecified |
| H40.1121 | Primary open-angle glaucoma, left eye, mild stage |
| H40.1122 | Primary open-angle glaucoma, left eye, moderate stage |
| H40.1123 | Primary open-angle glaucoma, left eye, severe stage |
| H40.1124 | Primary open-angle glaucoma, left eye, indeterminate stage |
| H40.1130 | Primary open-angle glaucoma, bilateral, stage unspecified |
| H40.1131 | Primary open-angle glaucoma, bilateral, mild stage |
| H40.1132 | Primary open-angle glaucoma, bilateral, moderate stage |
| H40.1133 | Primary open-angle glaucoma, bilateral, severe stage |
| H40.1134 | Primary open-angle glaucoma, bilateral, indeterminate stage |
| H40.1190 | Primary open-angle glaucoma, unspecified eye, stage unspecified |
| H40.1191 | Primary open-angle glaucoma, unspecified eye, mild stage |
| H40.1192 | Primary open-angle glaucoma, unspecified eye, moderate stage |
| H40.1193 | Primary open-angle glaucoma, unspecified eye, severe stage |
| H40.1194 | Primary open-angle glaucoma, unspecified eye, indeterminate stage |
| H40.1210 | Low-tension glaucoma, right eye, stage unspecified |
| H40.1211 | Low-tension glaucoma, right eye, mild stage |
| H40.1212 | Low-tension glaucoma, right eye, moderate stage |
| H40.1213 | Low-tension glaucoma, right eye, severe stage |
| H40.1214 | Low-tension glaucoma, right eye, indeterminate stage |
| H40.1220 | Low-tension glaucoma, left eye, stage unspecified |
| H40.1221 | Low-tension glaucoma, left eye, mild stage |
| H40.1222 | Low-tension glaucoma, left eye, moderate stage |
| H40.1223 | Low-tension glaucoma, left eye, severe stage |
| H40.1224 | Low-tension glaucoma, left eye, indeterminate stage |
| H40.1230 | Low-tension glaucoma, bilateral, stage unspecified |
| H40.1231 | Low-tension glaucoma, bilateral, mild stage |
| H40.1232 | Low-tension glaucoma, bilateral, moderate stage |
| H40.1233 | Low-tension glaucoma, bilateral, severe stage |
| H40.1234 | Low-tension glaucoma, bilateral, indeterminate stage |
| H40.1310 | Pigmentary glaucoma, right eye, stage unspecified |
| H40.1311 | Pigmentary glaucoma, right eye, mild stage |
| H40.1312 | Pigmentary glaucoma, right eye, moderate stage |
| H40.1313 | Pigmentary glaucoma, right eye, severe stage |
| H40.1314 | Pigmentary glaucoma, right eye, indeterminate stage |
| H40.1320 | Pigmentary glaucoma, left eye, stage unspecified |
| H40.1321 | Pigmentary glaucoma, left eye, mild stage |
| H40.1322 | Pigmentary glaucoma, left eye, moderate stage |
| H40.1323 | Pigmentary glaucoma, left eye, severe stage |
| H40.1324 | Pigmentary glaucoma, left eye, indeterminate stage |
| H40.1330 | Pigmentary glaucoma, bilateral, stage unspecified |
| H40.1331 | Pigmentary glaucoma, bilateral, mild stage |
| H40.1332 | Pigmentary glaucoma, bilateral, moderate stage |
| H40.1333 | Pigmentary glaucoma, bilateral, severe stage |
| H40.1334 | Pigmentary glaucoma, bilateral, indeterminate stage |
| H40.1410 | Capsular glaucoma with pseudoexfoliation of lens, right eye, stage unspecified |
| H40.1411 | Capsular glaucoma with pseudoexfoliation of lens, right eye, mild stage |
| H40.1412 | Capsular glaucoma with pseudoexfoliation of lens, right eye, moderate stage |
| H40.1413 | Capsular glaucoma with pseudoexfoliation of lens, right eye, severe stage |
| H40.1414 | Capsular glaucoma with pseudoexfoliation of lens, right eye, indeterminate stage |
| H40.1420 | Capsular glaucoma with pseudoexfoliation of lens, left eye, stage unspecified |
| H40.1421 | Capsular glaucoma with pseudoexfoliation of lens, left eye, mild stage |
| H40.1422 | Capsular glaucoma with pseudoexfoliation of lens, left eye, moderate stage |
| H40.1423 | Capsular glaucoma with pseudoexfoliation of lens, left eye, severe stage |
| H40.1424 | Capsular glaucoma with pseudoexfoliation of lens, left eye, indeterminate stage |
| H40.1430 | Capsular glaucoma with pseudoexfoliation of lens, bilateral, stage unspecified |
| H40.1431 | Capsular glaucoma with pseudoexfoliation of lens, bilateral, mild stage |
| H40.1432 | Capsular glaucoma with pseudoexfoliation of lens, bilateral, moderate stage |
| H40.1433 | Capsular glaucoma with pseudoexfoliation of lens, bilateral, severe stage |
| H40.1434 | Capsular glaucoma with pseudoexfoliation of lens, bilateral, indeterminate stage |
| H40.151 | Residual stage of open-angle glaucoma, right eye |
| H40.152 | Residual stage of open-angle glaucoma, left eye |
| H40.153 | Residual stage of open-angle glaucoma, bilateral |
| H40.211 | Acute angle-closure glaucoma, right eye |
| H40.212 | Acute angle-closure glaucoma, left eye |
| H40.213 | Acute angle-closure glaucoma, bilateral |
| H40.2210 | Chronic angle-closure glaucoma, right eye, stage unspecified |
| H40.2211 | Chronic angle-closure glaucoma, right eye, mild stage |
| H40.2212 | Chronic angle-closure glaucoma, right eye, moderate stage |
| H40.2213 | Chronic angle-closure glaucoma, right eye, severe stage |
| H40.2214 | Chronic angle-closure glaucoma, right eye, indeterminate stage |
| H40.2220 | Chronic angle-closure glaucoma, left eye, stage unspecified |
| H40.2221 | Chronic angle-closure glaucoma, left eye, mild stage |
| H40.2222 | Chronic angle-closure glaucoma, left eye, moderate stage |
| H40.2223 | Chronic angle-closure glaucoma, left eye, severe stage |
| H40.2224 | Chronic angle-closure glaucoma, left eye, indeterminate stage |
| H40.2230 | Chronic angle-closure glaucoma, bilateral, stage unspecified |
| H40.2231 | Chronic angle-closure glaucoma, bilateral, mild stage |
| H40.2232 | Chronic angle-closure glaucoma, bilateral, moderate stage |
| H40.2233 | Chronic angle-closure glaucoma, bilateral, severe stage |
| H40.2234 | Chronic angle-closure glaucoma, bilateral, indeterminate stage |
| H40.231 | Intermittent angle-closure glaucoma, right eye |
| H40.232 | Intermittent angle-closure glaucoma, left eye |
| H40.233 | Intermittent angle-closure glaucoma, bilateral |
| H40.241 | Residual stage of angle-closure glaucoma, right eye |
| H40.242 | Residual stage of angle-closure glaucoma, left eye |
| H40.243 | Residual stage of angle-closure glaucoma, bilateral |
| H40.31X1 | Glaucoma secondary to eye trauma, right eye, mild stage |
| H40.31X2 | Glaucoma secondary to eye trauma, right eye, moderate stage |
| H40.31X3 | Glaucoma secondary to eye trauma, right eye, severe stage |
| H40.31X4 | Glaucoma secondary to eye trauma, right eye, indeterminate stage |
| H40.32X1 | Glaucoma secondary to eye trauma, left eye, mild stage |
| H40.32X2 | Glaucoma secondary to eye trauma, left eye, moderate stage |
| H40.32X3 | Glaucoma secondary to eye trauma, left eye, severe stage |
| H40.32X4 | Glaucoma secondary to eye trauma, left eye, indeterminate stage |
| H40.33X1 | Glaucoma secondary to eye trauma, bilateral, mild stage |
| H40.33X2 | Glaucoma secondary to eye trauma, bilateral, moderate stage |
| H40.33X3 | Glaucoma secondary to eye trauma, bilateral, severe stage |
| H40.33X4 | Glaucoma secondary to eye trauma, bilateral, indeterminate stage |
| H40.41X0 | Glaucoma secondary to eye inflammation, right eye, stage unspecified |
| H40.41X1 | Glaucoma secondary to eye inflammation, right eye, mild stage |
| H40.41X2 | Glaucoma secondary to eye inflammation, right eye, moderate stage |
| H40.41X3 | Glaucoma secondary to eye inflammation, right eye, severe stage |
| H40.41X4 | Glaucoma secondary to eye inflammation, right eye, indeterminate stage |
| H40.42X0 | Glaucoma secondary to eye inflammation, left eye, stage unspecified |
| H40.42X1 | Glaucoma secondary to eye inflammation, left eye, mild stage |
| H40.42X2 | Glaucoma secondary to eye inflammation, left eye, moderate stage |
| H40.42X3 | Glaucoma secondary to eye inflammation, left eye, severe stage |
| H40.42X4 | Glaucoma secondary to eye inflammation, left eye, indeterminate stage |
| H40.43X0 | Glaucoma secondary to eye inflammation, bilateral, stage unspecified |
| H40.43X1 | Glaucoma secondary to eye inflammation, bilateral, mild stage |
| H40.43X2 | Glaucoma secondary to eye inflammation, bilateral, moderate stage |
| H40.43X3 | Glaucoma secondary to eye inflammation, bilateral, severe stage |
| H40.43X4 | Glaucoma secondary to eye inflammation, bilateral, indeterminate stage |
| H40.51X0 | Glaucoma secondary to other eye disorders, right eye, stage unspecified |
| H40.51X1 | Glaucoma secondary to other eye disorders, right eye, mild stage |
| H40.51X2 | Glaucoma secondary to other eye disorders, right eye, moderate stage |
| H40.51X3 | Glaucoma secondary to other eye disorders, right eye, severe stage |
| H40.51X4 | Glaucoma secondary to other eye disorders, right eye, indeterminate stage |
| H40.52X0 | Glaucoma secondary to other eye disorders, left eye, stage unspecified |
| H40.52X1 | Glaucoma secondary to other eye disorders, left eye, mild stage |
| H40.52X2 | Glaucoma secondary to other eye disorders, left eye, moderate stage |
| H40.52X3 | Glaucoma secondary to other eye disorders, left eye, severe stage |
| H40.52X4 | Glaucoma secondary to other eye disorders, left eye, indeterminate stage |
| H40.53X0 | Glaucoma secondary to other eye disorders, bilateral, stage unspecified |
| H40.53X1 | Glaucoma secondary to other eye disorders, bilateral, mild stage |
| H40.53X2 | Glaucoma secondary to other eye disorders, bilateral, moderate stage |
| H40.53X3 | Glaucoma secondary to other eye disorders, bilateral, severe stage |
| H40.53X4 | Glaucoma secondary to other eye disorders, bilateral, indeterminate stage |
| H40.61X0 | Glaucoma secondary to drugs, right eye, stage unspecified |
| H40.61X1 | Glaucoma secondary to drugs, right eye, mild stage |
| H40.61X2 | Glaucoma secondary to drugs, right eye, moderate stage |
| H40.61X3 | Glaucoma secondary to drugs, right eye, severe stage |
| H40.61X4 | Glaucoma secondary to drugs, right eye, indeterminate stage |
| H40.62X0 | Glaucoma secondary to drugs, left eye, stage unspecified |
| H40.62X1 | Glaucoma secondary to drugs, left eye, mild stage |
| H40.62X2 | Glaucoma secondary to drugs, left eye, moderate stage |
| H40.62X3 | Glaucoma secondary to drugs, left eye, severe stage |
| H40.62X4 | Glaucoma secondary to drugs, left eye, indeterminate stage |
| H40.63X0 | Glaucoma secondary to drugs, bilateral, stage unspecified |
| H40.63X1 | Glaucoma secondary to drugs, bilateral, mild stage |
| H40.63X2 | Glaucoma secondary to drugs, bilateral, moderate stage |
| H40.63X3 | Glaucoma secondary to drugs, bilateral, severe stage |
| H40.63X4 | Glaucoma secondary to drugs, bilateral, indeterminate stage |
| H40.811 | Glaucoma with increased episcleral venous pressure, right eye |
| H40.812 | Glaucoma with increased episcleral venous pressure, left eye |
| H40.813 | Glaucoma with increased episcleral venous pressure, bilateral |
| H40.821 | Hypersecretion glaucoma, right eye |
| H40.822 | Hypersecretion glaucoma, left eye |
| H40.823 | Hypersecretion glaucoma, bilateral |
| H40.831 | Aqueous misdirection, right eye |
| H40.832 | Aqueous misdirection, left eye |
| H40.833 | Aqueous misdirection, bilateral |
| H40.841 | Neovascular secondary angle closure glaucoma, right eye |
| H40.842 | Neovascular secondary angle closure glaucoma, left eye |
| H40.843 | Neovascular secondary angle closure glaucoma, bilateral |
| H40.89 | Other specified glaucoma |
| H40.9 | Unspecified glaucoma |
| H42 | Glaucoma in diseases classified elsewhere |
| H47.231 | Glaucomatous optic atrophy, right eye |
| H47.232 | Glaucomatous optic atrophy, left eye |
| H47.233 | Glaucomatous optic atrophy, bilateral |
| Q15.0 | Congenital glaucoma |
| T85.318A | Breakdown (mechanical) of other ocular prosthetic devices, implants and grafts, initial encounter |
| T85.318D | Breakdown (mechanical) of other ocular prosthetic devices, implants and grafts, subsequent encounter |
| T85.318S | Breakdown (mechanical) of other ocular prosthetic devices, implants and grafts, sequela |
| T85.328A | Displacement of other ocular prosthetic devices, implants and grafts, initial encounter |
| T85.328D | Displacement of other ocular prosthetic devices, implants and grafts, subsequent encounter |
| T85.328S | Displacement of other ocular prosthetic devices, implants and grafts, sequela |
| T85.398A | Other mechanical complication of other ocular prosthetic devices, implants and grafts, initial encounter |
| T85.398D | Other mechanical complication of other ocular prosthetic devices, implants and grafts, subsequent encounter |
| T85.398S | Other mechanical complication of other ocular prosthetic devices, implants and grafts, sequela |
| T86.8401 | Corneal transplant rejection, right eye |
| T86.8402 | Corneal transplant rejection, left eye |
| T86.8403 | Corneal transplant rejection, bilateral |
| T86.8411 | Corneal transplant failure, right eye |
| T86.8412 | Corneal transplant failure, left eye |
| T86.8413 | Corneal transplant failure, bilateral |
| T86.8481 | Other complications of corneal transplant, right eye |
| T86.8482 | Other complications of corneal transplant, left eye |
| T86.8483 | Other complications of corneal transplant, bilateral |
| T86.8491 | Unspecified complication of corneal transplant, right eye |
| T86.8492 | Unspecified complication of corneal transplant, left eye |
| T86.8493 | Unspecified complication of corneal transplant, bilateral |
| Z98.41 | Cataract extraction status, right eye |
| Z98.42 | Cataract extraction status, left eye |
| Z98.83 | Filtering (vitreous) bleb after glaucoma surgery status |
Frequently asked questions
Which ICD-10 codes support medical necessity for CPT 92499?
Medicare coverage policies (LCDs/NCDs and Billing & Coding articles) list 262 ICD-10 diagnosis codes that support medical necessity for CPT 92499. The covered codes are listed on this page. Coverage varies by MAC/state — always confirm against the policy that applies to you.
What is a medical-necessity (LCD/NCD) crosswalk?
A claim whose procedure isn't supported by a covered diagnosis denies as "not medically necessary" (CARC 50). CMS coverage policies define which diagnoses justify a procedure; this page is the ICD-10 → CPT 92499 view of that relationship.
Catch medical-necessity denials before you bill. CareNiva scrubs claims against LCD/NCD coverage and flags unsupported diagnoses — in the same platform you run visits and billing.
More free billing tools: all crosswalks · NCCI edits · Medicare fees · denial codes
Informational only, not coding, billing, or legal advice. Based on CMS Medicare Coverage Database data; verify the current LCD/NCD for your MAC before billing.
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