diff --git a/codelists/migrations/0064_move_and_publish_ukhsa_ssi_codelists.py b/codelists/migrations/0064_move_and_publish_ukhsa_ssi_codelists.py
new file mode 100644
index 000000000..595fd600a
--- /dev/null
+++ b/codelists/migrations/0064_move_and_publish_ukhsa_ssi_codelists.py
@@ -0,0 +1,78 @@
+# Generated by Django 5.2.14 on 2026-05-15 15:59
+from functools import partial
+from django.db import migrations
+from codelists.actions import update_codelist, publish_version
+from codelists.models import Status
+from opencodelists.models import Organisation
+
+
+def move_codelists(codelists, to_org):
+    for codelist in codelists:
+        update_codelist(
+            codelist=codelist,
+            owner=to_org,
+            name=codelist.current_handle.name,
+            slug=codelist.current_handle.slug,
+            description=codelist.description,
+            methodology=codelist.methodology,
+            references=codelist.references.all(),
+            signoffs=codelist.signoffs.all(),
+        )
+
+
+def publish_codelist_versions(codelists):
+    for codelist in codelists:
+        for version in codelist.versions.filter(status=Status.UNDER_REVIEW):
+            version.status = Status.PUBLISHED
+            version.save()
+
+
+def unpublish_codelist_versions(codelists):
+    for codelist in codelists:
+        for version in codelist.versions.filter(status=Status.PUBLISHED):
+            version.status = Status.UNDER_REVIEW
+            version.save()
+
+
+def move_and_publish(apps, schema_editor, reverse=False):
+    try:
+        oxhpru = Organisation.objects.get(slug="OxHPRU")
+        ukhsa = Organisation.objects.get(slug="ukhsa")
+    except Organisation.DoesNotExist:
+        print("Organisation for SSI codelists not found")
+        return
+    if reverse:
+        from_org = oxhpru
+        to_org = ukhsa
+    else:
+        from_org = ukhsa
+        to_org = oxhpru
+    codelists = [
+        codelist
+        for codelist in from_org.codelists.filter(coding_system_id="opcs4")
+        if reverse
+        or all(cv.status == Status.UNDER_REVIEW for cv in codelist.versions.all())
+    ]
+    move_codelists(codelists=codelists, to_org=to_org)
+    if reverse:
+        unpublish_codelist_versions(codelists=codelists)
+    else:
+        publish_codelist_versions(codelists=codelists)
+
+
+class Migration(migrations.Migration):
+    """
+    Moves the Surgical Site Infection codelists from the UKHSA organisation to the OxHPRU one and publishes them.
+    These are identified as all under review OPCS4 codelists
+    """
+
+    dependencies = [
+        ("codelists", "0063_alter_handle_name"),
+    ]
+
+    operations = [
+        migrations.RunPython(
+            move_and_publish,
+            reverse_code=partial(move_and_publish, reverse=True),
+        ),
+    ]