diff --git a/mimic-iv/concepts/organfailure/kdigo_stages.sql b/mimic-iv/concepts/organfailure/kdigo_stages.sql
index daf49fce..db7758cb 100644
--- a/mimic-iv/concepts/organfailure/kdigo_stages.sql
+++ b/mimic-iv/concepts/organfailure/kdigo_stages.sql
@@ -20,9 +20,8 @@ WITH cr_stg AS (
                 --      an acute increase >= 0.3 within 48 hr
                 --      *or* an increase of >= 1.5 times baseline
                 AND (
-                    cr.creat_low_past_48hr <= 3.7 OR cr.creat >= (
-                        1.5 * cr.creat_low_past_7day
-                    )
+                    cr.creat >= (cr.creat_low_past_48hr + 0.3)
+                    OR cr.creat >= (1.5 * cr.creat_low_past_7day)
                 )
                 THEN 3
             -- TODO: initiation of RRT