diff --git a/edc_constants/constants.py b/edc_constants/constants.py
index 7b90369..5e57edf 100644
--- a/edc_constants/constants.py
+++ b/edc_constants/constants.py
@@ -58,6 +58,7 @@
 HIGH = "high"
 HIGH_PRIORITY = "high"
 HIV = "HIV"
+HOME = "home"
 HOSPITAL = "hospital"
 HOSPITALIZED = "hospitalized"
 HOSPITAL_NOTES = "hospital_notes"