PROTECT-CHILD Pediatric Transplant Data Implementation Guide, published by Protect Child. This guide is not an authorized publication; it is the continuous build for version 0.1.0-ci-build built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/hl7-eu/protect-child/ and changes regularly. See the Directory of published versions
| Draft as of 2026-09-28 |
{
"resourceType" : "CodeSystem",
"id" : "graft-pathology-cs",
"text" : {
"status" : "generated",
"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem graft-pathology-cs</b></p><a name=\"graft-pathology-cs\"> </a><a name=\"hcgraft-pathology-cs\"> </a><p>This case-sensitive code system <code>https://hl7.eu/fhir/ig/hl7.eu.fhir.protect-child/CodeSystem/graft-pathology-cs</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">banff-category<a name=\"graft-pathology-cs-banff-category\"> </a></td><td>Banff diagnostic category</td><td>Banff 2022 diagnostic category assigned on a kidney allograft biopsy.</td></tr><tr><td style=\"white-space:nowrap\">liver-rai<a name=\"graft-pathology-cs-liver-rai\"> </a></td><td>Banff Rejection Activity Index (liver)</td><td>Total Banff Rejection Activity Index (RAI) for liver allograft rejection, 0–9.</td></tr><tr><td style=\"white-space:nowrap\">banff-g<a name=\"graft-pathology-cs-banff-g\"> </a></td><td>g – glomerulitis</td><td>Banff lesion score for glomerulitis, graded 0–3.</td></tr><tr><td style=\"white-space:nowrap\">banff-ptc<a name=\"graft-pathology-cs-banff-ptc\"> </a></td><td>ptc – peritubular capillaritis</td><td>Banff lesion score for peritubular capillaritis, graded 0–3.</td></tr><tr><td style=\"white-space:nowrap\">banff-i<a name=\"graft-pathology-cs-banff-i\"> </a></td><td>i – interstitial inflammation</td><td>Banff lesion score for interstitial inflammation, graded 0–3.</td></tr><tr><td style=\"white-space:nowrap\">banff-t<a name=\"graft-pathology-cs-banff-t\"> </a></td><td>t – tubulitis</td><td>Banff lesion score for tubulitis, graded 0–3.</td></tr><tr><td style=\"white-space:nowrap\">banff-v<a name=\"graft-pathology-cs-banff-v\"> </a></td><td>v – intimal arteritis</td><td>Banff lesion score for intimal arteritis, graded 0–3.</td></tr><tr><td style=\"white-space:nowrap\">banff-ci<a name=\"graft-pathology-cs-banff-ci\"> </a></td><td>ci – interstitial fibrosis</td><td>Banff lesion score for interstitial fibrosis, graded 0–3.</td></tr><tr><td style=\"white-space:nowrap\">banff-ct<a name=\"graft-pathology-cs-banff-ct\"> </a></td><td>ct – tubular atrophy</td><td>Banff lesion score for tubular atrophy, graded 0–3.</td></tr><tr><td style=\"white-space:nowrap\">banff-cg<a name=\"graft-pathology-cs-banff-cg\"> </a></td><td>cg – transplant glomerulopathy</td><td>Glomerular basement membrane double contours. Banff scores cg1 as cg1a/cg1b; both are recorded here as 1.</td></tr><tr><td style=\"white-space:nowrap\">banff-ah<a name=\"graft-pathology-cs-banff-ah\"> </a></td><td>ah – arteriolar hyalinosis</td><td>Banff lesion score for arteriolar hyalinosis, graded 0–3.</td></tr><tr><td style=\"white-space:nowrap\">banff-mm<a name=\"graft-pathology-cs-banff-mm\"> </a></td><td>mm – mesangial matrix expansion</td><td>Banff lesion score for mesangial matrix expansion, graded 0–3.</td></tr><tr><td style=\"white-space:nowrap\">rai-portal-inflammation<a name=\"graft-pathology-cs-rai-portal-inflammation\"> </a></td><td>Portal inflammation</td><td>Rejection activity index component for portal inflammation, graded 0–3.</td></tr><tr><td style=\"white-space:nowrap\">rai-bile-duct-inflammation<a name=\"graft-pathology-cs-rai-bile-duct-inflammation\"> </a></td><td>Bile duct inflammation / damage</td><td>Rejection activity index component for bile duct inflammation / damage, graded 0–3.</td></tr><tr><td style=\"white-space:nowrap\">rai-venous-endothelial-inflammation<a name=\"graft-pathology-cs-rai-venous-endothelial-inflammation\"> </a></td><td>Venous endothelial inflammation</td><td>Rejection activity index component for venous endothelial inflammation, graded 0–3.</td></tr></table></div>"
},
"url" : "https://hl7.eu/fhir/ig/hl7.eu.fhir.protect-child/CodeSystem/graft-pathology-cs",
"version" : "0.1.0-ci-build",
"name" : "GraftPathologyCS",
"title" : "Graft Pathology Codes",
"status" : "draft",
"experimental" : true,
"date" : "2026-09-28T06:51:47+00:00",
"publisher" : "Protect Child",
"contact" : [
{
"name" : "Protect Child",
"telecom" : [
{
"system" : "url",
"value" : "https://protect-child.eu/"
}
]
}
],
"description" : "Local observation and component codes for graft biopsy scoring: the Banff diagnostic category, the Banff lesion scores, and the liver Banff Rejection Activity Index with its three constituent scores. Neither LOINC nor SNOMED CT carries these.",
"caseSensitive" : true,
"content" : "complete",
"count" : 15,
"concept" : [
{
"code" : "banff-category",
"display" : "Banff diagnostic category",
"definition" : "Banff 2022 diagnostic category assigned on a kidney allograft biopsy."
},
{
"code" : "liver-rai",
"display" : "Banff Rejection Activity Index (liver)",
"definition" : "Total Banff Rejection Activity Index (RAI) for liver allograft rejection, 0–9."
},
{
"code" : "banff-g",
"display" : "g – glomerulitis",
"definition" : "Banff lesion score for glomerulitis, graded 0–3."
},
{
"code" : "banff-ptc",
"display" : "ptc – peritubular capillaritis",
"definition" : "Banff lesion score for peritubular capillaritis, graded 0–3."
},
{
"code" : "banff-i",
"display" : "i – interstitial inflammation",
"definition" : "Banff lesion score for interstitial inflammation, graded 0–3."
},
{
"code" : "banff-t",
"display" : "t – tubulitis",
"definition" : "Banff lesion score for tubulitis, graded 0–3."
},
{
"code" : "banff-v",
"display" : "v – intimal arteritis",
"definition" : "Banff lesion score for intimal arteritis, graded 0–3."
},
{
"code" : "banff-ci",
"display" : "ci – interstitial fibrosis",
"definition" : "Banff lesion score for interstitial fibrosis, graded 0–3."
},
{
"code" : "banff-ct",
"display" : "ct – tubular atrophy",
"definition" : "Banff lesion score for tubular atrophy, graded 0–3."
},
{
"code" : "banff-cg",
"display" : "cg – transplant glomerulopathy",
"definition" : "Glomerular basement membrane double contours. Banff scores cg1 as cg1a/cg1b; both are recorded here as 1."
},
{
"code" : "banff-ah",
"display" : "ah – arteriolar hyalinosis",
"definition" : "Banff lesion score for arteriolar hyalinosis, graded 0–3."
},
{
"code" : "banff-mm",
"display" : "mm – mesangial matrix expansion",
"definition" : "Banff lesion score for mesangial matrix expansion, graded 0–3."
},
{
"code" : "rai-portal-inflammation",
"display" : "Portal inflammation",
"definition" : "Rejection activity index component for portal inflammation, graded 0–3."
},
{
"code" : "rai-bile-duct-inflammation",
"display" : "Bile duct inflammation / damage",
"definition" : "Rejection activity index component for bile duct inflammation / damage, graded 0–3."
},
{
"code" : "rai-venous-endothelial-inflammation",
"display" : "Venous endothelial inflammation",
"definition" : "Rejection activity index component for venous endothelial inflammation, graded 0–3."
}
]
}