diff --git a/src/aces/config.py b/src/aces/config.py
index ba45181..f1af2f9 100644
--- a/src/aces/config.py
+++ b/src/aces/config.py
@@ -75,7 +75,7 @@ def MEDS_eval_expr(self) -> pl.Expr:
             return pl.all_horizontal(criteria)
 
     def ESGPT_eval_expr(self, values_column: str | None = None) -> pl.Expr:
-        """Returns a Polars expression that evaluates this predicate for a MEDS formatted dataset.
+        """Returns a Polars expression that evaluates this predicate for a ESGPT formatted dataset.
 
         Note: The output syntax for the following examples is dependent on the polars version used. The
         expected outputs have been validated on polars version 0.20.30.
@@ -101,11 +101,19 @@ def ESGPT_eval_expr(self, values_column: str | None = None) -> pl.Expr:
             >>> expr = PlainPredicateConfig("event_type//ADMISSION").ESGPT_eval_expr()
             >>> print(expr) # doctest: +NORMALIZE_WHITESPACE
             col("event_type").strict_cast(String).str.split([String(&)]).list.contains([String(ADMISSION)])
+            >>> expr = PlainPredicateConfig("BP//diastolic//atrial").ESGPT_eval_expr()
+            >>> print(expr) # doctest: +NORMALIZE_WHITESPACE
+            [(col("BP")) == (String(diastolic//atrial))]
         """
         code_is_in_parts = "//" in self.code
 
         if code_is_in_parts:
-            measurement_name, code = self.code.split("//")
+            codes = self.code.split("//")
+            measurement_name = codes.pop(0)
+            if len(codes) > 1:
+                code = "//".join(codes)
+            else:
+                code = codes[0]
             if measurement_name.lower() == "event_type":
                 criteria = [pl.col("event_type").cast(pl.Utf8).str.split("&").list.contains(code)]
             else: