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G0378

Hospital observation per hr

Hospital observation service, per hour

Code system
HCPCS Level II
Status
Active
Billable
Yes
In effect from
2006-01-01
Request
curl https://api.healthcare.dev/v1/codes/hcpcs/G0378 \
  -H "Authorization: Bearer $HDEV_API_KEY"
200 OK · application/json
{
  "data": {
    "code": "G0378",
    "parent": null,
    "status": "active",
    "system": "hcpcs",
    "display": "Hospital observation per hr",
    "billable": true,
    "attributes": {
      "betos": "M2A",
      "coverage": "D",
      "action_code": "N",
      "type_of_service": "1",
      "pricing_indicator": "00",
      "action_effective_date": "2006-01-01"
    },
    "description": "Hospital observation service, per hour",
    "replaced_by": [],
    "effective_end": null,
    "effective_start": "2006-01-01",
    "care_categories": [
      "doctor-visits"
    ],
    "care_category_details": [
      {
        "slug": "doctor-visits",
        "name": "Doctor and clinic visits",
        "confidence": 0.9,
        "derivation": "source_stated",
        "evidence": [
          {
            "url": "https://www.cms.gov/medicare/coding-billing/healthcare-common-procedure-system/quarterly-update",
            "anchor": "HCPCS Level II BETOS type of service M2A"
          }
        ],
        "as_of": "2026-10-01T00:00:00.000Z"
      }
    ]
  },
  "meta": {
    "source": "cms-hcpcs",
    "data_version": "2026-10"
  }
}

CMS attributes

G0378 in the HCPCS file

betos
M2A
coverage
D
action code
N
type of service
1
pricing indicator
00
action effective date
2006-01-01

Change history

Lifecycle

G0378 has been in effect since 2006-01-01. 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

Look up G0378 from code or an agent

curl
curl https://api.healthcare.dev/v1/codes/hcpcs/G0378 \
  -H "Authorization: Bearer $HDEV_API_KEY"
MCP prompt
Using the healthcare.dev MCP server, look up HCPCS Level II code G0378. 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.