diff --git a/src/Umbraco.Core/Models/IPropertyType.cs b/src/Umbraco.Core/Models/IPropertyType.cs
index a48f8e01ae..994a174b8e 100644
--- a/src/Umbraco.Core/Models/IPropertyType.cs
+++ b/src/Umbraco.Core/Models/IPropertyType.cs
@@ -24,6 +24,9 @@ public interface IPropertyType : IEntity, IRememberBeingDirty
     /// </summary>
     int DataTypeId { get; set; }
 
+    /// <summary>
+    ///     Gets or sets the Guid unique identifier of the datatype for this property type.
+    /// </summary>
     Guid DataTypeKey { get; set; }
 
     /// <summary>
diff --git a/src/Umbraco.Core/Models/PropertyType.cs b/src/Umbraco.Core/Models/PropertyType.cs
index 8fe28f7751..4943cb94ce 100644
--- a/src/Umbraco.Core/Models/PropertyType.cs
+++ b/src/Umbraco.Core/Models/PropertyType.cs
@@ -47,6 +47,7 @@ public class PropertyType : EntityBase, IPropertyType, IEquatable<PropertyType>
         if (dataType.HasIdentity)
         {
             _dataTypeId = dataType.Id;
+            _dataTypeKey = dataType.Key;
         }
 
         _propertyEditorAlias = dataType.EditorAlias;
@@ -159,6 +160,7 @@ public class PropertyType : EntityBase, IPropertyType, IEquatable<PropertyType>
         set => SetPropertyValueAndDetectChanges(value, ref _dataTypeId, nameof(DataTypeId));
     }
 
+    /// <inheritdoc />
     [DataMember]
     public Guid DataTypeKey
     {
diff --git a/tests/Umbraco.Tests.Common/Builders/PropertyTypeBuilder.cs b/tests/Umbraco.Tests.Common/Builders/PropertyTypeBuilder.cs
index 9b7fce3a9d..b1882d4ab5 100644
--- a/tests/Umbraco.Tests.Common/Builders/PropertyTypeBuilder.cs
+++ b/tests/Umbraco.Tests.Common/Builders/PropertyTypeBuilder.cs
@@ -1,7 +1,6 @@
 // Copyright (c) Umbraco.
 // See LICENSE for more details.
 
-using System;
 using Umbraco.Cms.Core;
 using Umbraco.Cms.Core.Models;
 using Umbraco.Cms.Core.Strings;
@@ -38,6 +37,7 @@ public class PropertyTypeBuilder<TParent>
     private string _alias;
     private DateTime? _createDate;
     private int? _dataTypeId;
+    private Guid? _dataTypeKey;
     private string _description;
     private int? _id;
     private Guid? _key;
@@ -132,6 +132,12 @@ public class PropertyTypeBuilder<TParent>
         return this;
     }
 
+    public PropertyTypeBuilder<TParent> WithDataTypeKey(Guid dataTypeKey)
+    {
+        _dataTypeKey = dataTypeKey;
+        return this;
+    }
+
     public PropertyTypeBuilder<TParent> WithPropertyGroupId(int propertyGroupId)
     {
         _propertyGroupId = new Lazy<int>(() => propertyGroupId);
@@ -176,6 +182,7 @@ public class PropertyTypeBuilder<TParent>
         var updateDate = _updateDate ?? DateTime.Now;
         var sortOrder = _sortOrder ?? 0;
         var dataTypeId = _dataTypeId ?? -88;
+        var dataTypeKey = _dataTypeKey ?? Guid.Empty;
         var description = _description ?? string.Empty;
         var propertyGroupId = _propertyGroupId;
         var mandatory = _mandatory ?? false;
@@ -196,6 +203,7 @@ public class PropertyTypeBuilder<TParent>
             Name = name,
             SortOrder = sortOrder,
             DataTypeId = dataTypeId,
+            DataTypeKey = dataTypeKey,
             Description = description,
             CreateDate = createDate,
             UpdateDate = updateDate,
diff --git a/tests/Umbraco.Tests.UnitTests/Umbraco.Core/Models/PropertyTypeTests.cs b/tests/Umbraco.Tests.UnitTests/Umbraco.Core/Models/PropertyTypeTests.cs
index 41a6573c2d..4411a02ad0 100644
--- a/tests/Umbraco.Tests.UnitTests/Umbraco.Core/Models/PropertyTypeTests.cs
+++ b/tests/Umbraco.Tests.UnitTests/Umbraco.Core/Models/PropertyTypeTests.cs
@@ -6,6 +6,7 @@ using System.Reflection;
 using System.Text.Json;
 using NUnit.Framework;
 using Umbraco.Cms.Core.Models;
+using Umbraco.Cms.Core.Strings;
 using Umbraco.Cms.Tests.Common.Builders;
 using Umbraco.Cms.Tests.Common.Builders.Extensions;
 
@@ -15,9 +16,27 @@ namespace Umbraco.Cms.Tests.UnitTests.Umbraco.Core.Models;
 public class PropertyTypeTests
 {
     [SetUp]
-    public void SetUp() => _builder = new PropertyTypeBuilder();
+    public void SetUp()
+    {
+        _propertyTypeBuilder = new PropertyTypeBuilder();
+        _dataTypeBuilder = new DataTypeBuilder();
+    }
 
-    private PropertyTypeBuilder _builder;
+    private PropertyTypeBuilder _propertyTypeBuilder;
+    private DataTypeBuilder _dataTypeBuilder;
+
+    [Test]
+    public void Can_Create_From_DataType()
+    {
+        var shortStringHelper = new DefaultShortStringHelper(new DefaultShortStringHelperConfig());
+        var dt = BuildDataType();
+        var pt = new PropertyType(shortStringHelper, dt);
+
+        Assert.AreEqual(dt.Id, pt.DataTypeId);
+        Assert.AreEqual(dt.Key, pt.DataTypeKey);
+        Assert.AreEqual(dt.EditorAlias, pt.PropertyEditorAlias);
+        Assert.AreEqual(dt.DatabaseType, pt.ValueStorageType);
+    }
 
     [Test]
     public void Can_Deep_Clone()
@@ -32,7 +51,7 @@ public class PropertyTypeTests
         Assert.AreEqual(clone.Alias, pt.Alias);
         Assert.AreEqual(clone.CreateDate, pt.CreateDate);
         Assert.AreEqual(clone.DataTypeId, pt.DataTypeId);
-        Assert.AreEqual(clone.DataTypeId, pt.DataTypeId);
+        Assert.AreEqual(clone.DataTypeKey, pt.DataTypeKey);
         Assert.AreEqual(clone.Description, pt.Description);
         Assert.AreEqual(clone.Key, pt.Key);
         Assert.AreEqual(clone.Mandatory, pt.Mandatory);
@@ -69,7 +88,7 @@ public class PropertyTypeTests
     }
 
     private PropertyType BuildPropertyType() =>
-        _builder
+        _propertyTypeBuilder
             .WithId(3)
             .WithPropertyEditorAlias("TestPropertyEditor")
             .WithAlias("test")
@@ -81,4 +100,8 @@ public class PropertyTypeTests
             .WithMandatory(true)
             .WithValidationRegExp("xxxx")
             .Build();
+
+    private DataType BuildDataType() =>
+        _dataTypeBuilder
+            .Build();
 }
diff --git a/tests/Umbraco.Tests.UnitTests/Umbraco.Tests.Common/Builders/PropertyTypeBuilderTests.cs b/tests/Umbraco.Tests.UnitTests/Umbraco.Tests.Common/Builders/PropertyTypeBuilderTests.cs
index 3b4c41bce4..0ce7bc92f1 100644
--- a/tests/Umbraco.Tests.UnitTests/Umbraco.Tests.Common/Builders/PropertyTypeBuilderTests.cs
+++ b/tests/Umbraco.Tests.UnitTests/Umbraco.Tests.Common/Builders/PropertyTypeBuilderTests.cs
@@ -23,6 +23,7 @@ public class PropertyTypeBuilderTests
         const string testName = "Test";
         const int testSortOrder = 9;
         const int testDataTypeId = 5;
+        var testDataTypeKey = Guid.NewGuid();
         var testCreateDate = DateTime.Now.AddHours(-1);
         var testUpdateDate = DateTime.Now;
         const string testDescription = "testing";
@@ -43,6 +44,7 @@ public class PropertyTypeBuilderTests
             .WithName(testName)
             .WithSortOrder(testSortOrder)
             .WithDataTypeId(testDataTypeId)
+            .WithDataTypeKey(testDataTypeKey)
             .WithCreateDate(testCreateDate)
             .WithUpdateDate(testUpdateDate)
             .WithDescription(testDescription)
@@ -60,6 +62,7 @@ public class PropertyTypeBuilderTests
         Assert.AreEqual(testName, propertyType.Name);
         Assert.AreEqual(testSortOrder, propertyType.SortOrder);
         Assert.AreEqual(testDataTypeId, propertyType.DataTypeId);
+        Assert.AreEqual(testDataTypeKey, propertyType.DataTypeKey);
         Assert.AreEqual(testCreateDate, propertyType.CreateDate);
         Assert.AreEqual(testUpdateDate, propertyType.UpdateDate);
         Assert.AreEqual(testDescription, propertyType.Description);