diff --git a/generic/migrations/0008_plane.py b/generic/migrations/0008_plane.py
new file mode 100644
index 00000000..3564effe
--- /dev/null
+++ b/generic/migrations/0008_plane.py
@@ -0,0 +1,23 @@
+# Generated by Django 3.1.3 on 2021-02-25 18:08
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('generic', '0007_site'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Plane',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('plane', models.CharField(max_length=200)),
+            ],
+            options={
+                'ordering': ('plane',),
+            },
+        ),
+    ]
diff --git a/generic/models.py b/generic/models.py
index 51ded685..d129e327 100644
--- a/generic/models.py
+++ b/generic/models.py
@@ -7,6 +7,14 @@ import tagulous.models
 
 from sortedm2m.fields import SortedManyToManyField
 
+class Plane(models.Model):
+    plane = models.CharField(max_length=200)
+
+    def __str__(self):
+        return self.plane
+
+    class Meta:
+        ordering = ('plane', )
 
 class Examination(models.Model):
     examination = models.CharField(max_length=200)
diff --git a/longs/migrations/0027_longseries_plane.py b/longs/migrations/0027_longseries_plane.py
new file mode 100644
index 00000000..b0a99137
--- /dev/null
+++ b/longs/migrations/0027_longseries_plane.py
@@ -0,0 +1,20 @@
+# Generated by Django 3.1.3 on 2021-02-25 18:08
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('generic', '0008_plane'),
+        ('longs', '0026_long_description'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='longseries',
+            name='plane',
+            field=models.ForeignKey(help_text='Plane of the examination', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='series_plane', to='generic.plane'),
+        ),
+    ]
diff --git a/longs/models.py b/longs/models.py
index f7ba6faf..0e090f9b 100644
--- a/longs/models.py
+++ b/longs/models.py
@@ -25,7 +25,7 @@ from helpers.images import image_as_base64
 
 from anatomy.models import Modality
 
-from generic.models import Examination, Condition, Sign, ExamBase
+from generic.models import Examination, Condition, Sign, ExamBase, Plane
 
 # from generic.models import Examination, Site, Condition, Sign
 
@@ -187,6 +187,13 @@ class LongSeries(models.Model):
         on_delete=models.SET_NULL,
         null=True,
     )
+    plane = models.ForeignKey(
+        Plane,
+        help_text="Plane of the examination",
+        related_name="series_plane",
+        on_delete=models.SET_NULL,
+        null=True,
+    )
     long = models.ManyToManyField(
         "Long",
         help_text="The question(s) this series should be associated with",