<status value="draft"/> <experimental value="true"/> <date value="2026-09-28T06:51:47+00:00"/> <publisher value="Protect Child"/> <contact> <name value="Protect Child"/> <telecom> <system value="url"/> <value value="https://protect-child.eu/"/> </telecom> </contact> <description value="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 value="true"/> <content value="complete"/> <count value="15"/> <concept> <code value="banff-category"/> <display value="Banff diagnostic category"/> <definition value="Banff 2022 diagnostic category assigned on a kidney allograft biopsy."/> </concept> <concept> <code value="liver-rai"/> <display value="Banff Rejection Activity Index (liver)"/> <definition value="Total Banff Rejection Activity Index (RAI) for liver allograft rejection, 0–9."/> </concept> <concept> <code value="banff-g"/> <display value="g – glomerulitis"/> <definition value="Banff lesion score for glomerulitis, graded 0–3."/> </concept> <concept> <code value="banff-ptc"/> <display value="ptc – peritubular capillaritis"/> <definition value="Banff lesion score for peritubular capillaritis, graded 0–3."/> </concept> <concept> <code value="banff-i"/> <display value="i – interstitial inflammation"/> <definition value="Banff lesion score for interstitial inflammation, graded 0–3."/> </concept> <concept> <code value="banff-t"/> <display value="t – tubulitis"/> <definition value="Banff lesion score for tubulitis, graded 0–3."/> </concept> <concept> <code value="banff-v"/> <display value="v – intimal arteritis"/> <definition value="Banff lesion score for intimal arteritis, graded 0–3."/> </concept> <concept> <code value="banff-ci"/> <display value="ci – interstitial fibrosis"/> <definition value="Banff lesion score for interstitial fibrosis, graded 0–3."/> </concept> <concept> <code value="banff-ct"/> <display value="ct – tubular atrophy"/> <definition value="Banff lesion score for tubular atrophy, graded 0–3."/> </concept> <concept> <code value="banff-cg"/> <display value="cg – transplant glomerulopathy"/> <definition value="Glomerular basement membrane double contours. Banff scores cg1 as cg1a/cg1b; both are recorded here as 1."/> </concept> <concept> <code value="banff-ah"/> <display value="ah – arteriolar hyalinosis"/> <definition value="Banff lesion score for arteriolar hyalinosis, graded 0–3."/> </concept> <concept> <code value="banff-mm"/> <display value="mm – mesangial matrix expansion"/> <definition value="Banff lesion score for mesangial matrix expansion, graded 0–3."/> </concept> <concept> <code value="rai-portal-inflammation"/> <display value="Portal inflammation"/> <definition value="Rejection activity index component for portal inflammation, graded 0–3."/> </concept> <concept> <code value="rai-bile-duct-inflammation"/> <display value="Bile duct inflammation / damage"/> <definition value="Rejection activity index component for bile duct inflammation / damage, graded 0–3."/> </concept> <concept> <code value="rai-venous-endothelial-inflammation"/> <display value="Venous endothelial inflammation"/> <definition value="Rejection activity index component for venous endothelial inflammation, graded 0

Generated Narrative: CodeSystem graft-pathology-cs

This case-sensitive code system https://hl7.eu/fhir/ig/hl7.eu.fhir.protect-child/CodeSystem/graft-pathology-cs defines the following codes:

Code	Display	Definition
banff-category	Banff diagnostic category	Banff 2022 diagnostic category assigned on a kidney allograft biopsy.
liver-rai	Banff Rejection Activity Index (liver)	Total Banff Rejection Activity Index (RAI) for liver allograft rejection, 0–9.
banff-g	g – glomerulitis	Banff lesion score for glomerulitis, graded 0–3.
banff-ptc	ptc – peritubular capillaritis	Banff lesion score for peritubular capillaritis, graded 0–3.
banff-i	i – interstitial inflammation	Banff lesion score for interstitial inflammation, graded 0–3.
banff-t	t – tubulitis	Banff lesion score for tubulitis, graded 0–3.
banff-v	v – intimal arteritis	Banff lesion score for intimal arteritis, graded 0–3.
banff-ci	ci – interstitial fibrosis	Banff lesion score for interstitial fibrosis, graded 0–3.
banff-ct	ct – tubular atrophy	Banff lesion score for tubular atrophy, graded 0–3.
banff-cg	cg – transplant glomerulopathy	Glomerular basement membrane double contours. Banff scores cg1 as cg1a/cg1b; both are recorded here as 1.
banff-ah	ah – arteriolar hyalinosis	Banff lesion score for arteriolar hyalinosis, graded 0–3.
banff-mm	mm – mesangial matrix expansion	Banff lesion score for mesangial matrix expansion, graded 0–3.
rai-portal-inflammation	Portal inflammation	Rejection activity index component for portal inflammation, graded 0–3.
rai-bile-duct-inflammation	Bile duct inflammation / damage	Rejection activity index component for bile duct inflammation / damage, graded 0–3.
rai-venous-endothelial-inflammation	Venous endothelial inflammation	Rejection activity index component for venous endothelial inflammation, graded 0–3.