diff --git a/Include/cpython/genobject.h b/Include/cpython/genobject.h
index 18b8ce913e6e31..7856481b5db300 100644
--- a/Include/cpython/genobject.h
+++ b/Include/cpython/genobject.h
@@ -77,6 +77,8 @@ PyAPI_FUNC(PyObject *) PyAsyncGen_New(PyFrameObject *,
 
 #define PyAsyncGen_CheckExact(op) Py_IS_TYPE((op), &PyAsyncGen_Type)
 
+#define PyAsyncGenASend_CheckExact(op) Py_IS_TYPE((op), &_PyAsyncGenASend_Type)
+
 
 #undef _PyGenObject_HEAD
 
diff --git a/Objects/genobject.c b/Objects/genobject.c
index 937d497753e970..9252c654934565 100644
--- a/Objects/genobject.c
+++ b/Objects/genobject.c
@@ -1406,9 +1406,6 @@ typedef struct _PyAsyncGenWrappedValue {
 #define _PyAsyncGenWrappedValue_CheckExact(o) \
                     Py_IS_TYPE(o, &_PyAsyncGenWrappedValue_Type)
 
-#define PyAsyncGenASend_CheckExact(o) \
-                    Py_IS_TYPE(o, &_PyAsyncGenASend_Type)
-
 
 static int
 async_gen_traverse(PyAsyncGenObject *gen, visitproc visit, void *arg)
diff --git a/Python/specialize.c b/Python/specialize.c
index 2ccca3a2802c17..45f1cb412db241 100644
--- a/Python/specialize.c
+++ b/Python/specialize.c
@@ -436,27 +436,28 @@ _PyCode_Quicken(PyCodeObject *code)
 #define SPEC_FAIL_COMPARE_OP_FLOAT_LONG 21
 #define SPEC_FAIL_COMPARE_OP_LONG_FLOAT 22
 
-/* FOR_ITER */
-#define SPEC_FAIL_FOR_ITER_GENERATOR 10
-#define SPEC_FAIL_FOR_ITER_COROUTINE 11
-#define SPEC_FAIL_FOR_ITER_ASYNC_GENERATOR 12
-#define SPEC_FAIL_FOR_ITER_LIST 13
-#define SPEC_FAIL_FOR_ITER_TUPLE 14
-#define SPEC_FAIL_FOR_ITER_SET 15
-#define SPEC_FAIL_FOR_ITER_STRING 16
-#define SPEC_FAIL_FOR_ITER_BYTES 17
-#define SPEC_FAIL_FOR_ITER_RANGE 18
-#define SPEC_FAIL_FOR_ITER_ITERTOOLS 19
-#define SPEC_FAIL_FOR_ITER_DICT_KEYS 20
-#define SPEC_FAIL_FOR_ITER_DICT_ITEMS 21
-#define SPEC_FAIL_FOR_ITER_DICT_VALUES 22
-#define SPEC_FAIL_FOR_ITER_ENUMERATE 23
-#define SPEC_FAIL_FOR_ITER_MAP 24
-#define SPEC_FAIL_FOR_ITER_ZIP 25
-#define SPEC_FAIL_FOR_ITER_SEQ_ITER 26
-#define SPEC_FAIL_FOR_ITER_REVERSED_LIST 27
-#define SPEC_FAIL_FOR_ITER_CALLABLE 28
-#define SPEC_FAIL_FOR_ITER_ASCII_STRING 29
+/* FOR_ITER and SEND */
+#define SPEC_FAIL_ITER_GENERATOR 10
+#define SPEC_FAIL_ITER_COROUTINE 11
+#define SPEC_FAIL_ITER_ASYNC_GENERATOR 12
+#define SPEC_FAIL_ITER_LIST 13
+#define SPEC_FAIL_ITER_TUPLE 14
+#define SPEC_FAIL_ITER_SET 15
+#define SPEC_FAIL_ITER_STRING 16
+#define SPEC_FAIL_ITER_BYTES 17
+#define SPEC_FAIL_ITER_RANGE 18
+#define SPEC_FAIL_ITER_ITERTOOLS 19
+#define SPEC_FAIL_ITER_DICT_KEYS 20
+#define SPEC_FAIL_ITER_DICT_ITEMS 21
+#define SPEC_FAIL_ITER_DICT_VALUES 22
+#define SPEC_FAIL_ITER_ENUMERATE 23
+#define SPEC_FAIL_ITER_MAP 24
+#define SPEC_FAIL_ITER_ZIP 25
+#define SPEC_FAIL_ITER_SEQ_ITER 26
+#define SPEC_FAIL_ITER_REVERSED_LIST 27
+#define SPEC_FAIL_ITER_CALLABLE 28
+#define SPEC_FAIL_ITER_ASCII_STRING 29
+#define SPEC_FAIL_ITER_ASYNC_GENERATOR_SEND 30
 
 // UNPACK_SEQUENCE
 
@@ -2122,66 +2123,69 @@ int
  _PySpecialization_ClassifyIterator(PyObject *iter)
 {
     if (PyGen_CheckExact(iter)) {
-        return SPEC_FAIL_FOR_ITER_GENERATOR;
+        return SPEC_FAIL_ITER_GENERATOR;
     }
     if (PyCoro_CheckExact(iter)) {
-        return SPEC_FAIL_FOR_ITER_COROUTINE;
+        return SPEC_FAIL_ITER_COROUTINE;
     }
     if (PyAsyncGen_CheckExact(iter)) {
-        return SPEC_FAIL_FOR_ITER_ASYNC_GENERATOR;
+        return SPEC_FAIL_ITER_ASYNC_GENERATOR;
+    }
+    if (PyAsyncGenASend_CheckExact(iter)) {
+        return SPEC_FAIL_ITER_ASYNC_GENERATOR_SEND;
     }
     PyTypeObject *t = Py_TYPE(iter);
     if (t == &PyListIter_Type) {
-        return SPEC_FAIL_FOR_ITER_LIST;
+        return SPEC_FAIL_ITER_LIST;
     }
     if (t == &PyTupleIter_Type) {
-        return SPEC_FAIL_FOR_ITER_TUPLE;
+        return SPEC_FAIL_ITER_TUPLE;
     }
     if (t == &PyDictIterKey_Type) {
-        return SPEC_FAIL_FOR_ITER_DICT_KEYS;
+        return SPEC_FAIL_ITER_DICT_KEYS;
     }
     if (t == &PyDictIterValue_Type) {
-        return SPEC_FAIL_FOR_ITER_DICT_VALUES;
+        return SPEC_FAIL_ITER_DICT_VALUES;
     }
     if (t == &PyDictIterItem_Type) {
-        return SPEC_FAIL_FOR_ITER_DICT_ITEMS;
+        return SPEC_FAIL_ITER_DICT_ITEMS;
     }
     if (t == &PySetIter_Type) {
-        return SPEC_FAIL_FOR_ITER_SET;
+        return SPEC_FAIL_ITER_SET;
     }
     if (t == &PyUnicodeIter_Type) {
-        return SPEC_FAIL_FOR_ITER_STRING;
+        return SPEC_FAIL_ITER_STRING;
     }
     if (t == &PyBytesIter_Type) {
-        return SPEC_FAIL_FOR_ITER_BYTES;
+        return SPEC_FAIL_ITER_BYTES;
     }
     if (t == &PyRangeIter_Type) {
-        return SPEC_FAIL_FOR_ITER_RANGE;
+        return SPEC_FAIL_ITER_RANGE;
     }
     if (t == &PyEnum_Type) {
-        return SPEC_FAIL_FOR_ITER_ENUMERATE;
+        return SPEC_FAIL_ITER_ENUMERATE;
     }
     if (t == &PyMap_Type) {
-        return SPEC_FAIL_FOR_ITER_MAP;
+        return SPEC_FAIL_ITER_MAP;
     }
     if (t == &PyZip_Type) {
-        return SPEC_FAIL_FOR_ITER_ZIP;
+        return SPEC_FAIL_ITER_ZIP;
     }
     if (t == &PySeqIter_Type) {
-        return SPEC_FAIL_FOR_ITER_SEQ_ITER;
+        return SPEC_FAIL_ITER_SEQ_ITER;
     }
     if (t == &PyListRevIter_Type) {
-        return SPEC_FAIL_FOR_ITER_REVERSED_LIST;
+        return SPEC_FAIL_ITER_REVERSED_LIST;
     }
     if (t == &_PyUnicodeASCIIIter_Type) {
-        return SPEC_FAIL_FOR_ITER_ASCII_STRING;
+        return SPEC_FAIL_ITER_ASCII_STRING;
     }
     const char *name = t->tp_name;
     if (strncmp(name, "itertools", 9) == 0) {
-        return SPEC_FAIL_FOR_ITER_ITERTOOLS;
+        return SPEC_FAIL_ITER_ITERTOOLS;
     }
     if (strncmp(name, "callable_iterator", 17) == 0) {
-        return SPEC_FAIL_FOR_ITER_CALLABLE;
+        return SPEC_FAIL_ITER_CALLABLE;
     }
     return SPEC_FAIL_OTHER;
 }
diff --git a/Tools/scripts/summarize_stats.py b/Tools/scripts/summarize_stats.py
index ce25374f3a9a52..4f25ba36d86689 100644
--- a/Tools/scripts/summarize_stats.py
+++ b/Tools/scripts/summarize_stats.py
@@ -228,6 +228,8 @@ def kind_to_text(kind, defines, opname):
         return pretty(defines[kind][0])
     if opname.endswith("ATTR"):
         opname = "ATTR"
+    if opname in ("FOR_ITER", "SEND"):
+        opname = "ITER"
     if opname.endswith("SUBSCR"):
         opname = "SUBSCR"
     for name in defines[kind]: