Refract not +/- 1.0 w/in 90d
Patient does not achieve final refraction (spherical equivalent) +/- 1.0 diopters of their planned refraction within 90 days of surgery
curl https://api.healthcare.dev/v1/codes/hcpcs/G9520 \ -H "Authorization: Bearer $HDEV_API_KEY"
{
"data": {
"code": "G9520",
"parent": null,
"status": "active",
"system": "hcpcs",
"display": "Refract not +/- 1.0 w/in 90d",
"billable": true,
"attributes": {
"betos": "Z2",
"coverage": "C",
"action_code": "N",
"type_of_service": "1",
"pricing_indicator": "00",
"action_effective_date": "2020-01-01"
},
"description": "Patient does not achieve final refraction (spherical equivalent) +/- 1.0 diopters of their planned refraction within 90 days of surgery",
"replaced_by": [],
"effective_end": null,
"effective_start": "2016-01-01",
"care_categories": [],
"care_category_details": []
},
"meta": {
"source": "cms-hcpcs",
"data_version": "2026-10"
}
}CMS attributes
Change history
G9520 has been in effect since 2016-01-01. This page shows HCPCS Level II release 2026-10.
Add as_of=YYYY-MM-DD to the request to get this code exactly as it was on a past date. The change feed (GET /v1/changes) lists what each release added, changed or retired across the whole dataset; a per-code change list isn't published yet.
Use it
curl https://api.healthcare.dev/v1/codes/hcpcs/G9520 \ -H "Authorization: Bearer $HDEV_API_KEY"
Using the healthcare.dev MCP server, look up HCPCS Level II code G9520. Tell me what it covers, whether it is active and since when, and any CMS attributes it has.
Source: CMS, release 2026-10. Public domain (D-series CDT codes excluded). Reference data, not medical or billing advice.