Encntr for obs for susp expsr to oth biolg agents ruled out
Encounter for observation for suspected exposure to other biological agents ruled out
curl https://api.healthcare.dev/v1/codes/icd10cm/Z03.818 \ -H "Authorization: Bearer $HDEV_API_KEY"
{
"data": {
"code": "Z03.818",
"parent": "Z03.81",
"status": "active",
"system": "icd10cm",
"display": "Encntr for obs for susp expsr to oth biolg agents ruled out",
"billable": true,
"description": "Encounter for observation for suspected exposure to other biological agents ruled out",
"replaced_by": [],
"effective_end": null,
"effective_start": "2026-10-01",
"care_categories": [],
"care_category_details": []
},
"meta": {
"source": "cms-icd10",
"data_version": "fy2027"
}
}Hierarchy
None: Z03.818 is a billable code at the most specific level.
Change history
Z03.818 has been in effect since 2026-10-01. This page shows ICD-10-CM release fy2027.
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/icd10cm/Z03.818 \ -H "Authorization: Bearer $HDEV_API_KEY"
Using the healthcare.dev MCP server, look up ICD-10-CM code Z03.818. Tell me what it means, whether it is billable, whether it is active, and list its parent and child codes.
Source: CMS and CDC NCHS, release fy2027. Public domain. Reference data, not medical or billing advice.