diff --git a/all.sas b/all.sas
index dd2d693..054fcb1 100644
--- a/all.sas
+++ b/all.sas
@@ -7362,7 +7362,8 @@ create table &outds (rename=(
 )/*/STORE SOURCE*/;
 
 
-%local engine schema ds1 ds2 ds3 dsn tabs1 tabs2 sum pk4sure pkdefault finalpks;
+%local engine schema ds1 ds2 ds3 dsn tabs1 tabs2 sum pk4sure pkdefault finalpks
+  pkfromindex;
 
 %let lib=%upcase(&lib);
 %let ds=%upcase(&ds);
@@ -7377,6 +7378,7 @@ create table &outds (rename=(
 %let sum=%mf_getuniquename(prefix=getpk_sum);
 %let pk4sure=%mf_getuniquename(prefix=getpk_pk4sure);
 %let pkdefault=%mf_getuniquename(prefix=getpk_pkdefault);
+%let pkfromindex=%mf_getuniquename(prefix=getpk_pkfromindex);
 %let finalpks=%mf_getuniquename(prefix=getpk_finalpks);
 
 %local dbg;
@@ -7487,9 +7489,23 @@ create table &ds1 as
       and a.constraint_name=b.constraint_name
     order by 1,2,3,4;
 
+  /* extract cols from the relevant unique INDEXES */
+  create table &pkfromindex as
+    select libname as libref
+      ,memname as table_name
+      ,indxname as constraint_name
+      ,indxpos as constraint_order
+      ,name
+    from dictionary.indexes
+    where nomiss='yes' and unique='yes' and upcase(libname)="&lib"
+  %if &ds ne 0 %then %do;
+      and upcase(memname)="&ds"
+  %end;
+    order by 1,2,3,4;
+
   /* create one table */
   data &finalpks;
-    set &pkdefault &pk4sure ;
+    set &pkdefault &pk4sure &pkfromindex;
     pk_ind=1;
     /* if there are multiple unique constraints, take the first */
     by libref table_name constraint_name;
@@ -7563,7 +7579,8 @@ create table &outds as
   iftrue=(&mdebug=0)
 )
 
-%mend mp_getpk;/**
+%mend mp_getpk;
+/**
   @file
   @brief Performs a text substitution on a file
   @details Makes use of the GSUB function in LUA to perform a text substitution
diff --git a/base/mp_getpk.sas b/base/mp_getpk.sas
index f599d48..e83b321 100644
--- a/base/mp_getpk.sas
+++ b/base/mp_getpk.sas
@@ -55,7 +55,8 @@
 )/*/STORE SOURCE*/;
 
 
-%local engine schema ds1 ds2 ds3 dsn tabs1 tabs2 sum pk4sure pkdefault finalpks;
+%local engine schema ds1 ds2 ds3 dsn tabs1 tabs2 sum pk4sure pkdefault finalpks
+  pkfromindex;
 
 %let lib=%upcase(&lib);
 %let ds=%upcase(&ds);
@@ -70,6 +71,7 @@
 %let sum=%mf_getuniquename(prefix=getpk_sum);
 %let pk4sure=%mf_getuniquename(prefix=getpk_pk4sure);
 %let pkdefault=%mf_getuniquename(prefix=getpk_pkdefault);
+%let pkfromindex=%mf_getuniquename(prefix=getpk_pkfromindex);
 %let finalpks=%mf_getuniquename(prefix=getpk_finalpks);
 
 %local dbg;
@@ -180,9 +182,23 @@ create table &ds1 as
       and a.constraint_name=b.constraint_name
     order by 1,2,3,4;
 
+  /* extract cols from the relevant unique INDEXES */
+  create table &pkfromindex as
+    select libname as libref
+      ,memname as table_name
+      ,indxname as constraint_name
+      ,indxpos as constraint_order
+      ,name
+    from dictionary.indexes
+    where nomiss='yes' and unique='yes' and upcase(libname)="&lib"
+  %if &ds ne 0 %then %do;
+      and upcase(memname)="&ds"
+  %end;
+    order by 1,2,3,4;
+
   /* create one table */
   data &finalpks;
-    set &pkdefault &pk4sure ;
+    set &pkdefault &pk4sure &pkfromindex;
     pk_ind=1;
     /* if there are multiple unique constraints, take the first */
     by libref table_name constraint_name;
@@ -256,4 +272,4 @@ create table &outds as
   iftrue=(&mdebug=0)
 )
 
-%mend mp_getpk;
\ No newline at end of file
+%mend mp_getpk;
diff --git a/tests/crossplatform/mp_getpk.test.sas b/tests/crossplatform/mp_getpk.test.sas
index 0d284e3..7c25d4e 100644
--- a/tests/crossplatform/mp_getpk.test.sas
+++ b/tests/crossplatform/mp_getpk.test.sas
@@ -88,4 +88,50 @@ run;
 /* constraint capture at library level is functional - uses first 2 tests */
 %mp_getpk(work,outds=test4)
 
-%mp_assertdsobs(work.test4,test=ATLEAST 2)
\ No newline at end of file
+%mp_assertdsobs(work.test4,test=ATLEAST 2)
+
+/* unique & not null INDEX captured */
+proc sql;
+create table work.example5(
+  TX_FROM float format=datetime19.,
+  DD_TYPE char(16),
+  DD_SOURCE char(2048),
+  DD_SHORTDESC char(256)
+);
+proc datasets lib=work noprint;
+  modify example5;
+  index create tx_from /nomiss unique;
+quit;
+%mp_getpk(work,ds=example5,outds=test5)
+data _null_;
+  set work.test5;
+  call symputx('test5',pk_fields);
+run;
+%mp_assert(
+  iftrue=("&test5"="TX_FROM"),
+  desc=mp_getpk captures single column not null unique index,
+  outds=work.test_results
+)
+
+/* unique & not null COMPOSITE INDEX captured */
+proc sql;
+create table work.example6(
+  TX_FROM float format=datetime19.,
+  DD_TYPE char(16),
+  DD_SOURCE char(2048),
+  DD_SHORTDESC char(256)
+);
+proc datasets lib=work noprint;
+  modify example6;
+  index create pk_6=(tx_from dd_type) /nomiss unique;
+quit;
+%mp_getpk(work,ds=example6,outds=test6)
+data _null_;
+  set work.test6;
+  call symputx('test6',pk_fields);
+run;
+%mp_assert(
+  iftrue=("&test6"="TX_FROM DD_TYPE"),
+  desc=mp_getpk captures multiple column not null unique index,
+  outds=work.test_results
+)