Skip to content
healthcare.dev

A4438

Adhesive clip ext ens contr

Adhesive clip applied to the skin to secure external electrical nerve stimulator controller, each

Code system
HCPCS Level II
Status
Active
Billable
Yes
In effect from
2024-04-01
Request
curl https://api.healthcare.dev/v1/codes/hcpcs/A4438 \
  -H "Authorization: Bearer $HDEV_API_KEY"
200 OK · application/json
{
  "data": {
    "code": "A4438",
    "parent": null,
    "status": "active",
    "system": "hcpcs",
    "display": "Adhesive clip ext ens contr",
    "billable": true,
    "attributes": {
      "betos": "D1F",
      "coverage": "C",
      "action_code": "N",
      "type_of_service": "P",
      "pricing_indicator": "38",
      "action_effective_date": "2024-04-01"
    },
    "description": "Adhesive clip applied to the skin to secure external electrical nerve stimulator controller, each",
    "replaced_by": [],
    "effective_end": null,
    "effective_start": "2024-04-01",
    "care_categories": [
      "medical-supplies"
    ],
    "care_category_details": [
      {
        "slug": "medical-supplies",
        "name": "Medical and surgical supplies",
        "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 range A4000-A8999"
          }
        ],
        "as_of": "2026-10-01T00:00:00.000Z"
      }
    ]
  },
  "meta": {
    "source": "cms-hcpcs",
    "data_version": "2026-10"
  }
}

CMS attributes

A4438 in the HCPCS file

betos
D1F
coverage
C
action code
N
type of service
P
pricing indicator
38
action effective date
2024-04-01

Change history

Lifecycle

A4438 has been in effect since 2024-04-01. 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 A4438 from code or an agent

curl
curl https://api.healthcare.dev/v1/codes/hcpcs/A4438 \
  -H "Authorization: Bearer $HDEV_API_KEY"
MCP prompt
Using the healthcare.dev MCP server, look up HCPCS Level II code A4438. 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.