G9420

Spec site no lung

Specimen site other than anatomic location of lung or is not classified as primary non-small cell lung cancer

Code system: HCPCS Level II
Status: Active
Billable: Yes
In effect from: 2015-01-01

Request

curl https://api.healthcare.dev/v1/codes/hcpcs/G9420 \
  -H "Authorization: Bearer $HDEV_API_KEY"

200 OK · application/json

{
  "data": {
    "code": "G9420",
    "parent": null,
    "status": "active",
    "system": "hcpcs",
    "display": "Spec site no lung",
    "billable": true,
    "attributes": {
      "betos": "Z2",
      "coverage": "C",
      "action_code": "N",
      "type_of_service": "1",
      "pricing_indicator": "00",
      "action_effective_date": "2015-01-01"
    },
    "description": "Specimen site other than anatomic location of lung or is not classified as primary non-small cell lung cancer",
    "replaced_by": [],
    "effective_end": null,
    "effective_start": "2015-01-01",
    "care_categories": [],
    "care_category_details": []
  },
  "meta": {
    "source": "cms-hcpcs",
    "data_version": "2026-10"
  }
}

CMS attributes

G9420 in the HCPCS file

betos: Z2
coverage: C
action code: N
type of service: 1
pricing indicator: 00
action effective date: 2015-01-01

Change history

Lifecycle

G9420 has been in effect since 2015-01-01. 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 G9420 from code or an agent

curl

curl https://api.healthcare.dev/v1/codes/hcpcs/G9420 \
  -H "Authorization: Bearer $HDEV_API_KEY"

MCP prompt

Using the healthcare.dev MCP server, look up HCPCS Level II code G9420. Tell me what it covers, whether it is active and since when, and any CMS attributes it has.

Get a free key HCPCS docs Connect the MCP server

Source: CMS, release 2026-10. Public domain (D-series CDT codes excluded). Reference data, not medical or billing advice.