diff --git a/include/nlohmann/detail/input/binary_reader.hpp b/include/nlohmann/detail/input/binary_reader.hpp
index b9c2532d..7d74f369 100644
--- a/include/nlohmann/detail/input/binary_reader.hpp
+++ b/include/nlohmann/detail/input/binary_reader.hpp
@@ -2003,51 +2003,7 @@ class binary_reader
 
             case 'H':
             {
-                // get size of following number string
-                std::size_t size{};
-                auto res = get_ubjson_size_value(size);
-                if (JSON_HEDLEY_UNLIKELY(!res))
-                {
-                    return res;
-                }
-
-                // get number string
-                std::vector<char> number_vector;
-                for (std::size_t i = 0; i < size; ++i)
-                {
-                    get();
-                    if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "number")))
-                    {
-                        return false;
-                    }
-                    number_vector.push_back(static_cast<char>(current));
-                }
-
-                // parse number string
-                auto number_ia = detail::input_adapter(std::forward<decltype(number_vector)>(number_vector));
-                auto number_lexer = detail::lexer<BasicJsonType, decltype(number_ia)>(std::move(number_ia), false);
-                const auto result_number = number_lexer.scan();
-                const auto number_string = number_lexer.get_token_string();
-                const auto result_remainder = number_lexer.scan();
-
-                using token_type = typename detail::lexer_base<BasicJsonType>::token_type;
-
-                if (JSON_HEDLEY_UNLIKELY(result_remainder != token_type::end_of_input))
-                {
-                    return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number")));
-                }
-
-                switch (result_number)
-                {
-                    case token_type::value_integer:
-                        return sax->number_integer(number_lexer.get_number_integer());
-                    case token_type::value_unsigned:
-                        return sax->number_unsigned(number_lexer.get_number_unsigned());
-                    case token_type::value_float:
-                        return sax->number_float(number_lexer.get_number_float(), std::move(number_string));
-                    default:
-                        return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number")));
-                }
+                return get_ubjson_high_precision_number();
             }
 
             case 'C':  // char
@@ -2226,6 +2182,55 @@ class binary_reader
     // Note, no reader for UBJSON binary types is implemented because they do
     // not exist
 
+    bool get_ubjson_high_precision_number()
+    {
+        // get size of following number string
+        std::size_t size{};
+        auto res = get_ubjson_size_value(size);
+        if (JSON_HEDLEY_UNLIKELY(!res))
+        {
+            return res;
+        }
+
+        // get number string
+        std::vector<char> number_vector;
+        for (std::size_t i = 0; i < size; ++i)
+        {
+            get();
+            if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "number")))
+            {
+                return false;
+            }
+            number_vector.push_back(static_cast<char>(current));
+        }
+
+        // parse number string
+        auto number_ia = detail::input_adapter(std::forward<decltype(number_vector)>(number_vector));
+        auto number_lexer = detail::lexer<BasicJsonType, decltype(number_ia)>(std::move(number_ia), false);
+        const auto result_number = number_lexer.scan();
+        const auto number_string = number_lexer.get_token_string();
+        const auto result_remainder = number_lexer.scan();
+
+        using token_type = typename detail::lexer_base<BasicJsonType>::token_type;
+
+        if (JSON_HEDLEY_UNLIKELY(result_remainder != token_type::end_of_input))
+        {
+            return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number")));
+        }
+
+        switch (result_number)
+        {
+            case token_type::value_integer:
+                return sax->number_integer(number_lexer.get_number_integer());
+            case token_type::value_unsigned:
+                return sax->number_unsigned(number_lexer.get_number_unsigned());
+            case token_type::value_float:
+                return sax->number_float(number_lexer.get_number_float(), std::move(number_string));
+            default:
+                return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number")));
+        }
+    }
+
     ///////////////////////
     // Utility functions //
     ///////////////////////
diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
index 8b234047..655eb80c 100644
--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -9616,51 +9616,7 @@ class binary_reader
 
             case 'H':
             {
-                // get size of following number string
-                std::size_t size{};
-                auto res = get_ubjson_size_value(size);
-                if (JSON_HEDLEY_UNLIKELY(!res))
-                {
-                    return res;
-                }
-
-                // get number string
-                std::vector<char> number_vector;
-                for (std::size_t i = 0; i < size; ++i)
-                {
-                    get();
-                    if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "number")))
-                    {
-                        return false;
-                    }
-                    number_vector.push_back(static_cast<char>(current));
-                }
-
-                // parse number string
-                auto number_ia = detail::input_adapter(std::forward<decltype(number_vector)>(number_vector));
-                auto number_lexer = detail::lexer<BasicJsonType, decltype(number_ia)>(std::move(number_ia), false);
-                const auto result_number = number_lexer.scan();
-                const auto number_string = number_lexer.get_token_string();
-                const auto result_remainder = number_lexer.scan();
-
-                using token_type = typename detail::lexer_base<BasicJsonType>::token_type;
-
-                if (JSON_HEDLEY_UNLIKELY(result_remainder != token_type::end_of_input))
-                {
-                    return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number")));
-                }
-
-                switch (result_number)
-                {
-                    case token_type::value_integer:
-                        return sax->number_integer(number_lexer.get_number_integer());
-                    case token_type::value_unsigned:
-                        return sax->number_unsigned(number_lexer.get_number_unsigned());
-                    case token_type::value_float:
-                        return sax->number_float(number_lexer.get_number_float(), std::move(number_string));
-                    default:
-                        return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number")));
-                }
+                return get_ubjson_high_precision_number();
             }
 
             case 'C':  // char
@@ -9839,6 +9795,55 @@ class binary_reader
     // Note, no reader for UBJSON binary types is implemented because they do
     // not exist
 
+    bool get_ubjson_high_precision_number()
+    {
+        // get size of following number string
+        std::size_t size{};
+        auto res = get_ubjson_size_value(size);
+        if (JSON_HEDLEY_UNLIKELY(!res))
+        {
+            return res;
+        }
+
+        // get number string
+        std::vector<char> number_vector;
+        for (std::size_t i = 0; i < size; ++i)
+        {
+            get();
+            if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "number")))
+            {
+                return false;
+            }
+            number_vector.push_back(static_cast<char>(current));
+        }
+
+        // parse number string
+        auto number_ia = detail::input_adapter(std::forward<decltype(number_vector)>(number_vector));
+        auto number_lexer = detail::lexer<BasicJsonType, decltype(number_ia)>(std::move(number_ia), false);
+        const auto result_number = number_lexer.scan();
+        const auto number_string = number_lexer.get_token_string();
+        const auto result_remainder = number_lexer.scan();
+
+        using token_type = typename detail::lexer_base<BasicJsonType>::token_type;
+
+        if (JSON_HEDLEY_UNLIKELY(result_remainder != token_type::end_of_input))
+        {
+            return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number")));
+        }
+
+        switch (result_number)
+        {
+            case token_type::value_integer:
+                return sax->number_integer(number_lexer.get_number_integer());
+            case token_type::value_unsigned:
+                return sax->number_unsigned(number_lexer.get_number_unsigned());
+            case token_type::value_float:
+                return sax->number_float(number_lexer.get_number_float(), std::move(number_string));
+            default:
+                return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number")));
+        }
+    }
+
     ///////////////////////
     // Utility functions //
     ///////////////////////