diff --git a/testing/CMakeLists.txt b/testing/CMakeLists.txt
index 7c19f7cc99..2f4e2cb497 100644
--- a/testing/CMakeLists.txt
+++ b/testing/CMakeLists.txt
@@ -8,3 +8,4 @@ add_subdirectory(functional_testing/fire fates_fuel_ftest)
 ## Unit tests
 add_subdirectory(unit_testing/fire_weather_test fates_fire_weather_utest)
 add_subdirectory(unit_testing/fire_fuel_test fates_fire_fuel_utest)
+add_subdirectory(unit_testing/parteh_test fates_parteh_utest)
diff --git a/testing/unit_testing/parteh_test/CMakeLists.txt b/testing/unit_testing/parteh_test/CMakeLists.txt
new file mode 100644
index 0000000000..a29b276e47
--- /dev/null
+++ b/testing/unit_testing/parteh_test/CMakeLists.txt
@@ -0,0 +1,5 @@
+set(pfunit_sources test_PRTAllometricCNP.pf)
+
+add_pfunit_ctest(PRTAllometricCNP
+  TEST_SOURCES "${pfunit_sources}"
+  LINK_LIBRARIES fates csm_share)
diff --git a/testing/unit_testing/parteh_test/test_PRTAllometricCNP.pf b/testing/unit_testing/parteh_test/test_PRTAllometricCNP.pf
new file mode 100644
index 0000000000..87df978c5e
--- /dev/null
+++ b/testing/unit_testing/parteh_test/test_PRTAllometricCNP.pf
@@ -0,0 +1,103 @@
+module test_PRTAllometricCNP
+  !
+  ! DESCRIPTION:
+  !		Test the FATES PRTAllometricCNPMod subroutines
+  !
+  use funit
+  use FatesConstantsMod,   only : r8 => fates_r8
+  use FatesConstantsMod,   only : default_regeneration
+  use FatesConstantsMod,   only : mm_per_cm
+  use FatesConstantsMod,   only : min_max_dbh_for_trees
+  use PRTParametersMod,    only : prt_params
+  use PRTGenericMod,       only : store_organ
+  use PRTAllometricCNPMod, only : cnp_allom_prt_vartypes
+  use PRTAllometricCNPMod, only : stoich_growth_min
+  use PRTAllometricCNPMod, only : acnp_bc_inout_id_dbh
+  use PRTAllometricCNPMod, only : acnp_bc_in_id_pft
+  use PRTAllometricCNPMod, only : acnp_bc_in_id_nc_repro
+  use PRTAllometricCNPMod, only : acnp_bc_in_id_pc_repro
+
+  implicit none
+
+  @TestCase
+  type, extends(TestCase) :: TestPRTAllomCNP
+    type(cnp_allom_prt_vartypes) :: cnp_allom_prt
+    !contains
+    !  procedure :: setUp
+  end type TestPRTAllomCNP
+
+  ! assertEqual tolerance
+  real(r8), parameter :: tol = 1.e-13_r8
+
+  contains 
+
+    !subroutine setUp(this)
+    !  class(TestPRTAllomCNP), intent(inout) :: this
+    !  ! Globals and parameters
+    !end subroutine setUp
+
+    @Test
+    subroutine EstimateGrowthNC_ReproBoundsCheck(this)
+
+      ! Test that CN growth estimate passes if the C reproductive fraction is exactly one
+
+      class(TestPRTAllomCNP), intent(inout) :: this   ! test object
+
+      !! Globals
+      ! targets for associations
+      integer, parameter :: repro_id = 5         ! non-public parameter from PRTAllometricCNPMod
+      integer, parameter :: num_intgr_vars = 7
+      integer, target    :: ipft = 1
+      real(r8), target   :: dbh = 1._r8
+      real(r8), target   :: nc_repro = 0._r8
+      real(r8), target   :: pc_repro = 0._r8
+
+      !! subroutine arguments
+      ! Dummy arguments, not used for repro_id case
+      real(r8) :: dummy_target_c(1) = 0._r8
+      real(r8) :: dummy_target_dcdd(1) = 0._r8
+
+      ! Necessary arguments
+      logical  :: state_mask(num_intgr_vars) = .false.   ! state mask, intent(in)
+      real(r8) :: avg_nc                           	 ! Average N:C ratio, intent(out)
+      real(r8) :: avg_pc                           	 ! Average P:C ratio, intent(out)
+
+      ! Initialize the prt_param type and values
+      allocate(prt_params%allom_dbh_maxheight(acnp_bc_in_id_pft))
+      allocate(prt_params%dbh_repro_threshold(acnp_bc_in_id_pft))
+      allocate(prt_params%seed_alloc(acnp_bc_in_id_pft))
+
+      prt_params%allom_dbh_maxheight(acnp_bc_in_id_pft) = 1000._r8   ! current default param
+      prt_params%dbh_repro_threshold(acnp_bc_in_id_pft) = 90._r8     ! current default param
+      prt_params%seed_alloc(acnp_bc_in_id_pft) = 1._r8               ! assigned to repro_c_frac
+
+      ! Unused for repro check
+      allocate(prt_params%seed_alloc_mature(acnp_bc_in_id_pft))
+      allocate(prt_params%repro_alloc_b(acnp_bc_in_id_pft))
+      allocate(prt_params%repro_alloc_a(acnp_bc_in_id_pft))
+      allocate(prt_params%organ_param_id(1))
+      allocate(prt_params%nitr_stoich_p1(1,1))
+      allocate(prt_params%phos_stoich_p1(1,1))
+
+      ! Manually initialize minimum necessary PRT vartype subtypes
+      allocate(this%cnp_allom_prt%bc_inout(acnp_bc_inout_id_dbh))
+      allocate(this%cnp_allom_prt%bc_in(acnp_bc_in_id_pc_repro))
+
+      this%cnp_allom_prt%bc_inout(acnp_bc_inout_id_dbh)%rval => dbh
+      this%cnp_allom_prt%bc_in(acnp_bc_in_id_pft)%ival => ipft
+      this%cnp_allom_prt%bc_in(acnp_bc_in_id_nc_repro)%rval => nc_repro
+      this%cnp_allom_prt%bc_in(acnp_bc_in_id_pc_repro)%rval => pc_repro
+
+      ! only test the repro_id case
+      state_mask(repro_id) = .true.
+
+      call this%cnp_allom_prt%EstimateGrowthNC(dummy_target_c,dummy_target_dcdd, &
+                            state_mask,avg_nc,avg_pc)
+
+      @assertEqual(avg_nc, 1._r8, tolerance=tol)
+      @assertEqual(avg_pc, 1._r8, tolerance=tol)
+
+    end subroutine EstimateGrowthNC_ReproBoundsCheck
+
+
+end module test_PRTAllometricCNP
diff --git a/testing/unit_tests.cfg b/testing/unit_tests.cfg
index 179b924735..cd776e6130 100644
--- a/testing/unit_tests.cfg
+++ b/testing/unit_tests.cfg
@@ -3,3 +3,6 @@ test_dir = fates_fire_weather_utest
 
 [fire_fuel]
 test_dir = fates_fire_fuel_utest
+
+[parteh]
+test_dir = fates_parteh_utest