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G9140

Frontier extended stay demo

Frontier extended stay clinic demonstration; for a patient stay in a clinic approved for the cms demonstration project; the following measures should be present: the stay must be equal to or greater than 4 hours; weather or other conditions must prevent transfer or the case falls into a category of monitoring and observation cases that are permitted by the rules of the demonstration; there is a maximum frontier extended stay clinic (fesc) visit of 48 hours, except in the case when weather or other conditions prevent transfer; payment is made on each period up to 4 hours, after the first 4 hours

Code system
HCPCS Level II
Status
Active
Billable
Yes
In effect from
2007-10-01
Request
curl https://api.healthcare.dev/v1/codes/hcpcs/G9140 \
  -H "Authorization: Bearer $HDEV_API_KEY"
200 OK · application/json
{
  "data": {
    "code": "G9140",
    "parent": null,
    "status": "active",
    "system": "hcpcs",
    "display": "Frontier extended stay demo",
    "billable": true,
    "attributes": {
      "betos": "Z2",
      "coverage": "C",
      "action_code": "N",
      "type_of_service": "1",
      "pricing_indicator": "00",
      "action_effective_date": "2007-10-01"
    },
    "description": "Frontier extended stay clinic demonstration; for a patient stay in a clinic approved for the cms demonstration project; the following measures should be present: the stay must be equal to or greater than 4 hours; weather or other conditions must prevent transfer or the case falls into a category of monitoring and observation cases that are permitted by the rules of the demonstration; there is a maximum frontier extended stay clinic (fesc) visit of 48 hours, except in the case when weather or other conditions prevent transfer; payment is made on each period up to 4 hours, after the first 4 hours",
    "replaced_by": [],
    "effective_end": null,
    "effective_start": "2007-10-01",
    "care_categories": [],
    "care_category_details": []
  },
  "meta": {
    "source": "cms-hcpcs",
    "data_version": "2026-10"
  }
}

CMS attributes

G9140 in the HCPCS file

betos
Z2
coverage
C
action code
N
type of service
1
pricing indicator
00
action effective date
2007-10-01

Change history

Lifecycle

G9140 has been in effect since 2007-10-01. 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

Look up G9140 from code or an agent

curl
curl https://api.healthcare.dev/v1/codes/hcpcs/G9140 \
  -H "Authorization: Bearer $HDEV_API_KEY"
MCP prompt
Using the healthcare.dev MCP server, look up HCPCS Level II code G9140. 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.