Ef ped fluid and electrolyte
Enteral formula, for pediatrics, used to replace fluids and electrolytes (e.g., clear liquids), 500 ml = 1 unit
curl https://api.healthcare.dev/v1/codes/hcpcs/B4103 \ -H "Authorization: Bearer $HDEV_API_KEY"
{
"data": {
"code": "B4103",
"parent": null,
"status": "active",
"system": "hcpcs",
"display": "Ef ped fluid and electrolyte",
"billable": true,
"attributes": {
"betos": "O1C",
"coverage": "D",
"action_code": "N",
"type_of_service": "E",
"pricing_indicator": "46",
"action_effective_date": "2005-01-01"
},
"description": "Enteral formula, for pediatrics, used to replace fluids and electrolytes (e.g., clear liquids), 500 ml = 1 unit",
"replaced_by": [],
"effective_end": null,
"effective_start": "2005-01-01",
"care_categories": [
"nutrition-therapy"
],
"care_category_details": [
{
"slug": "nutrition-therapy",
"name": "Nutrition therapy and tube feeding",
"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 B4000-B9999"
}
],
"as_of": "2026-10-01T00:00:00.000Z"
}
]
},
"meta": {
"source": "cms-hcpcs",
"data_version": "2026-10"
}
}CMS attributes
Change history
B4103 has been in effect since 2005-01-01. 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/B4103 \ -H "Authorization: Bearer $HDEV_API_KEY"
Using the healthcare.dev MCP server, look up HCPCS Level II code B4103. 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.