From 6f4e6ed559d0a3066a6b8f553acde7d91f9674b6 Mon Sep 17 00:00:00 2001
From: Omar Khan <omar.khan2@nhs.net>
Date: Tue, 7 Jul 2026 15:55:03 +0100
Subject: [PATCH] Max cardinality for basedOn of 1

So that each report is only linked to the triggering request
---
 .../NHSEngland-DiagnosticReport-GenomicReport.json               | 1 +
 1 file changed, 1 insertion(+)

diff --git a/StructureDefinition/NHSEngland-DiagnosticReport-GenomicReport.json b/StructureDefinition/NHSEngland-DiagnosticReport-GenomicReport.json
index abcc4ca..be3df23 100644
--- a/StructureDefinition/NHSEngland-DiagnosticReport-GenomicReport.json
+++ b/StructureDefinition/NHSEngland-DiagnosticReport-GenomicReport.json
@@ -165,6 +165,7 @@
         "id": "DiagnosticReport.basedOn",
         "path": "DiagnosticReport.basedOn",
         "definition": "SHOULD reference the originating ServiceRequest if this is an instance of a genomic diagnostic report resulting from a GMS test order.",
+        "max": "1",
         "type": [
           {
             "code": "Reference",