id in the body is required and must equal the {id} in the URL.If-Match with the version you last read to avoid overwriting someone else's change. If the version has moved on, the server returns 409.Authorization: Bearer ********************{
"resourceType": "AllergyIntolerance",
"clinicalStatus": {
"coding": [
{
"system": "http://terminology.hl7.org/CodeSystem/allergyintolerance-clinical",
"code": "active"
}
]
},
"verificationStatus": {
"coding": [
{
"system": "http://terminology.hl7.org/CodeSystem/allergyintolerance-verification",
"code": "confirmed"
}
]
},
"code": {
"coding": [
{
"system": "http://www.nlm.nih.gov/research/umls/rxnorm",
"code": "7980",
"display": "Penicillin G"
}
]
},
"patient": {
"reference": "Patient/example"
},
"id": "123"
}{
"resourceType": "AllergyIntolerance",
"clinicalStatus": {
"coding": [
{
"system": "http://terminology.hl7.org/CodeSystem/allergyintolerance-clinical",
"code": "active"
}
]
},
"verificationStatus": {
"coding": [
{
"system": "http://terminology.hl7.org/CodeSystem/allergyintolerance-verification",
"code": "confirmed"
}
]
},
"code": {
"coding": [
{
"system": "http://www.nlm.nih.gov/research/umls/rxnorm",
"code": "7980",
"display": "Penicillin G"
}
]
},
"patient": {
"reference": "Patient/example"
},
"id": "123",
"meta": {
"versionId": "2",
"lastUpdated": "2026-08-28T10:00:00Z"
}
}