diff --git a/Marlin/cardreader.h b/Marlin/cardreader.h
index 2d4029e47..07faabd88 100644
--- a/Marlin/cardreader.h
+++ b/Marlin/cardreader.h
@@ -81,11 +81,11 @@ extern CardReader card;
 
 #define IS_SD_PRINTING (card.sdprinting)
 
-#if (SDCARDDETECT > -1)
+#if PIN_EXISTS(SDCARDDETECT)
   #if ENABLED(SDCARDDETECTINVERTED)
-    #define IS_SD_INSERTED (READ(SDCARDDETECT) != 0)
+    #define IS_SD_INSERTED (READ(SDCARDDETECT_PIN) != 0)
   #else
-    #define IS_SD_INSERTED (READ(SDCARDDETECT) == 0)
+    #define IS_SD_INSERTED (READ(SDCARDDETECT_PIN) == 0)
   #endif
 #else
   //No card detect line? Assume the card is inserted.
diff --git a/Marlin/pins_AZTEEG_X3_PRO.h b/Marlin/pins_AZTEEG_X3_PRO.h
index f2ffe475d..7e2c0a488 100644
--- a/Marlin/pins_AZTEEG_X3_PRO.h
+++ b/Marlin/pins_AZTEEG_X3_PRO.h
@@ -109,7 +109,7 @@
   #define BTN_ENC          39  //the click switch
  
   #define SDSS             53
-  #define SDCARDDETECT     49
+  #define SDCARDDETECT_PIN 49
   
   #define KILL_PIN         31
  #endif
diff --git a/Marlin/pins_BRAINWAVE_PRO.h b/Marlin/pins_BRAINWAVE_PRO.h
index a870cbeb9..b27aa362a 100644
--- a/Marlin/pins_BRAINWAVE_PRO.h
+++ b/Marlin/pins_BRAINWAVE_PRO.h
@@ -54,7 +54,7 @@
 #define PS_ON_PIN          -1
 #define KILL_PIN           -1
 #define ALARM_PIN          -1
-#define SDCARDDETECT       12
+#define SDCARDDETECT_PIN   12
 
 #if DISABLED(SDSUPPORT)
 // these pins are defined in the SD library if building with SD support
diff --git a/Marlin/pins_CHEAPTRONIC.h b/Marlin/pins_CHEAPTRONIC.h
index dbf53a7e2..72ee63bd6 100644
--- a/Marlin/pins_CHEAPTRONIC.h
+++ b/Marlin/pins_CHEAPTRONIC.h
@@ -86,4 +86,4 @@
 #define BLEN_A 0
 
 // Cheaptronic v1.0 does not use this port
-#define SDCARDDETECT -1
+#define SDCARDDETECT_PIN -1
diff --git a/Marlin/pins_ELEFU_3.h b/Marlin/pins_ELEFU_3.h
index f581f287c..55b44bf27 100644
--- a/Marlin/pins_ELEFU_3.h
+++ b/Marlin/pins_ELEFU_3.h
@@ -64,7 +64,7 @@
 #if ENABLED(RA_CONTROL_PANEL)
 
   #define SDSS             53
-  #define SDCARDDETECT     28
+  #define SDCARDDETECT_PIN 28
 
   #define BTN_EN1          14
   #define BTN_EN2          39
diff --git a/Marlin/pins_FELIX2.h b/Marlin/pins_FELIX2.h
index 6f7394e52..d345c37c9 100644
--- a/Marlin/pins_FELIX2.h
+++ b/Marlin/pins_FELIX2.h
@@ -19,6 +19,6 @@
   #define BLEN_C 2
   #define BLEN_B 1
   #define BLEN_A 0
-  #define SDCARDDETECT 6
+  #define SDCARDDETECT_PIN 6
 
 #endif // NEWPANEL && ULTRA_LCD
diff --git a/Marlin/pins_GEN7_CUSTOM.h b/Marlin/pins_GEN7_CUSTOM.h
index 673632da3..9c489d15a 100644
--- a/Marlin/pins_GEN7_CUSTOM.h
+++ b/Marlin/pins_GEN7_CUSTOM.h
@@ -57,7 +57,7 @@
 //#define RX_ENABLE_PIN       13
 
 #define BEEPER_PIN -1
-#define SDCARDDETECT -1
+#define SDCARDDETECT_PIN -1
 #define SUICIDE_PIN -1    //has to be defined; otherwise Power_off doesn't work
 
 #define KILL_PIN -1
diff --git a/Marlin/pins_LEAPFROG.h b/Marlin/pins_LEAPFROG.h
index 52ca61939..45cf6bde4 100644
--- a/Marlin/pins_LEAPFROG.h
+++ b/Marlin/pins_LEAPFROG.h
@@ -42,7 +42,7 @@
 
 #define SDPOWER            -1
 #define SDSS               11
-#define SDCARDDETECT       -1 // 10 optional also used as mode pin
+#define SDCARDDETECT_PIN   -1 // 10 optional also used as mode pin
 #define LED_PIN            13
 #define FAN_PIN            7
 #define PS_ON_PIN          -1
diff --git a/Marlin/pins_MEGACONTROLLER.h b/Marlin/pins_MEGACONTROLLER.h
index 03ea94ee5..aa39c3920 100644
--- a/Marlin/pins_MEGACONTROLLER.h
+++ b/Marlin/pins_MEGACONTROLLER.h
@@ -107,6 +107,6 @@
     #define BTN_EN2 11
     #define BTN_ENC 10  //the click switch
     //not connected to a pin
-    #define SDCARDDETECT 49
+    #define SDCARDDETECT_PIN 49
 #endif //Minipanel
 
diff --git a/Marlin/pins_MEGATRONICS.h b/Marlin/pins_MEGATRONICS.h
index 5b7e51823..82b6e8175 100644
--- a/Marlin/pins_MEGATRONICS.h
+++ b/Marlin/pins_MEGATRONICS.h
@@ -78,6 +78,6 @@
   #define BLEN_B           1
   #define BLEN_A           0
 
-  #define SDCARDDETECT    -1   // RAMPS doesn't use this
+  #define SDCARDDETECT_PIN -1   // RAMPS doesn't use this
 
 #endif // ULTRA_LCD && NEWPANEL
diff --git a/Marlin/pins_MEGATRONICS_2.h b/Marlin/pins_MEGATRONICS_2.h
index e5c3a91be..8f9046c49 100644
--- a/Marlin/pins_MEGATRONICS_2.h
+++ b/Marlin/pins_MEGATRONICS_2.h
@@ -94,4 +94,4 @@
 #define BLEN_B 1
 #define BLEN_A 0
 
-#define SDCARDDETECT -1  // Megatronics does not use this port
+#define SDCARDDETECT_PIN -1  // Megatronics does not use this port
diff --git a/Marlin/pins_MEGATRONICS_3.h b/Marlin/pins_MEGATRONICS_3.h
index 57f37b02f..e0bea57d5 100644
--- a/Marlin/pins_MEGATRONICS_3.h
+++ b/Marlin/pins_MEGATRONICS_3.h
@@ -99,4 +99,4 @@
 #define BLEN_B 1
 #define BLEN_A 0
 
-#define SDCARDDETECT -1	// Megatronics does not use this port
+#define SDCARDDETECT_PIN -1	// Megatronics does not use this port
diff --git a/Marlin/pins_MINIRAMBO.h b/Marlin/pins_MINIRAMBO.h
index 8e12cf2a7..9732e342f 100644
--- a/Marlin/pins_MINIRAMBO.h
+++ b/Marlin/pins_MINIRAMBO.h
@@ -107,7 +107,7 @@
     #define BTN_EN2         72
     #define BTN_ENC          9  // the click
 
-    #define SDCARDDETECT    15
+    #define SDCARDDETECT_PIN 15
 
   #endif //NEWPANEL
 #endif //ULTRA_LCD
diff --git a/Marlin/pins_MINITRONICS.h b/Marlin/pins_MINITRONICS.h
index ad613fb3b..4fc35b93e 100644
--- a/Marlin/pins_MINITRONICS.h
+++ b/Marlin/pins_MINITRONICS.h
@@ -78,4 +78,4 @@
 #define BLEN_B 1
 #define BLEN_A 0
 
-#define SDCARDDETECT -1  // Megatronics does not use this port
+#define SDCARDDETECT_PIN -1  // Minitronics does not use this port
diff --git a/Marlin/pins_OMCA.h b/Marlin/pins_OMCA.h
index 91efbd295..173177f8c 100644
--- a/Marlin/pins_OMCA.h
+++ b/Marlin/pins_OMCA.h
@@ -70,7 +70,7 @@
 
 #define SDPOWER            -1
 #define SDSS               11
-#define SDCARDDETECT       -1 // 10 optional also used as mode pin
+#define SDCARDDETECT_PIN   -1 // 10 optional also used as mode pin
 #define LED_PIN            -1
 #define FAN_PIN            14 // PWM on MIDDLE connector
 #define PS_ON_PIN          -1
diff --git a/Marlin/pins_OMCA_A.h b/Marlin/pins_OMCA_A.h
index 857ff7752..f66de1ff4 100644
--- a/Marlin/pins_OMCA_A.h
+++ b/Marlin/pins_OMCA_A.h
@@ -61,7 +61,7 @@
 
 #define SDPOWER            -1
 #define SDSS               11
-#define SDCARDDETECT       -1 // 10 optional also used as mode pin
+#define SDCARDDETECT_PIN   -1 // 10 optional also used as mode pin
 #define LED_PIN            -1
 #define FAN_PIN            3
 #define PS_ON_PIN          -1
diff --git a/Marlin/pins_PRINTRBOARD.h b/Marlin/pins_PRINTRBOARD.h
index b68bf20bd..ff81cfee9 100644
--- a/Marlin/pins_PRINTRBOARD.h
+++ b/Marlin/pins_PRINTRBOARD.h
@@ -88,7 +88,7 @@
     #define SDSS   40 //use SD card on Panelolu2 (Teensyduino pin mapping)
   #endif // LCD_I2C_PANELOLU2
   //not connected to a pin
-  #define SDCARDDETECT -1    
+  #define SDCARDDETECT_PIN -1    
 #endif // ULTRA_LCD && NEWPANEL
 
 #if ENABLED(VIKI2) || ENABLED(miniVIKI)
@@ -104,7 +104,7 @@
  #define BTN_ENC 47  //the click switch
 
  #define SDSS 45
- #define SDCARDDETECT -1 // FastIO (Manual says 72 I'm not certain cause I can't test) 
+ #define SDCARDDETECT_PIN -1 // FastIO (Manual says 72 I'm not certain cause I can't test) 
 
  #if ENABLED(TEMP_STAT_LEDS)
   #define STAT_LED_RED      12 //Non-FastIO
diff --git a/Marlin/pins_RAMBO.h b/Marlin/pins_RAMBO.h
index 57b7a6841..2600c36e8 100644
--- a/Marlin/pins_RAMBO.h
+++ b/Marlin/pins_RAMBO.h
@@ -133,7 +133,7 @@
     #define BLEN_B 1
     #define BLEN_A 0
 
-    #define SDCARDDETECT 81    // Ramps does not use this port
+    #define SDCARDDETECT_PIN 81 // Ramps doesn't use this port
 
   #else //!NEWPANEL - old style panel with shift register
 
@@ -180,7 +180,7 @@
  #define BTN_EN2 84
  #define BTN_ENC 83  //the click switch
 
- #define SDCARDDETECT -1 // Pin 72 if using easy adapter board   
+ #define SDCARDDETECT_PIN -1 // Pin 72 if using easy adapter board   
 
   #if ENABLED(TEMP_STAT_LEDS)
    #define STAT_LED_RED      22
diff --git a/Marlin/pins_RAMPS_13.h b/Marlin/pins_RAMPS_13.h
index bc109efa0..67ca166ba 100644
--- a/Marlin/pins_RAMPS_13.h
+++ b/Marlin/pins_RAMPS_13.h
@@ -165,25 +165,25 @@
       #define BTN_EN2 33
       #define BTN_ENC 35
 
-      #define SDCARDDETECT 49
+      #define SDCARDDETECT_PIN 49
     #elif ENABLED(LCD_I2C_PANELOLU2)
       #define BTN_EN1 47  // reverse if the encoder turns the wrong way.
       #define BTN_EN2 43
       #define BTN_ENC 32
       #define LCD_SDSS 53
-      #define SDCARDDETECT -1
+      #define SDCARDDETECT_PIN -1
       #define KILL_PIN 41
     #elif ENABLED(LCD_I2C_VIKI)
       #define BTN_EN1 22  // reverse if the encoder turns the wrong way.
       #define BTN_EN2 7
       #define BTN_ENC -1
       #define LCD_SDSS 53
-      #define SDCARDDETECT 49
+      #define SDCARDDETECT_PIN 49
     #elif ENABLED(ELB_FULL_GRAPHIC_CONTROLLER)
       #define BTN_EN1 35  // reverse if the encoder turns the wrong way.
       #define BTN_EN2 37
       #define BTN_ENC 31
-      #define SDCARDDETECT 49
+      #define SDCARDDETECT_PIN 49
       #define LCD_SDSS 53
       #define KILL_PIN 41
       #define BEEPER_PIN 23
@@ -210,7 +210,7 @@
        #define BTN_EN2 63
        #define BTN_ENC 59  //the click switch
        //not connected to a pin
-       #define SDCARDDETECT 49
+       #define SDCARDDETECT_PIN 49
 
     #else
 
@@ -235,9 +235,9 @@
       #endif
 
       #if ENABLED(G3D_PANEL)
-        #define SDCARDDETECT 49
+        #define SDCARDDETECT_PIN 49
       #else
-        #define SDCARDDETECT -1  // Ramps does not use this port
+        #define SDCARDDETECT_PIN -1  // Ramps does not use this port
       #endif
 
     #endif
diff --git a/Marlin/pins_RIGIDBOARD.h b/Marlin/pins_RIGIDBOARD.h
index f7789c1da..905397434 100644
--- a/Marlin/pins_RIGIDBOARD.h
+++ b/Marlin/pins_RIGIDBOARD.h
@@ -25,8 +25,8 @@
   #undef BEEPER_PIN
   #define BEEPER_PIN -1
 
-  #undef SDCARDDETECT
-  #define SDCARDDETECT 22
+  #undef SDCARDDETECT_PIN
+  #define SDCARDDETECT_PIN 22
 
   // Extra button definitions, substitute for EN1 / EN2
   #define BTN_UP  37 // BTN_EN1
@@ -43,16 +43,16 @@
   #undef  BTN_ENC
   #define BTN_ENC 31
 
-  #undef  SDCARDDETECT
-  #define SDCARDDETECT 22
+  #undef  SDCARDDETECT_PIN
+  #define SDCARDDETECT_PIN 22
 
 #elif defined(REPRAP_DISCOUNT_SMART_CONTROLLER)
 
   #undef BEEPER_PIN
   #define BEEPER_PIN -1
 
-  #undef  SDCARDDETECT
-  #define SDCARDDETECT 22
+  #undef  SDCARDDETECT_PIN
+  #define SDCARDDETECT_PIN 22
 
   #undef  KILL_PIN
   #define KILL_PIN 32
diff --git a/Marlin/pins_RUMBA.h b/Marlin/pins_RUMBA.h
index a8f12aa50..c2ac2c185 100644
--- a/Marlin/pins_RUMBA.h
+++ b/Marlin/pins_RUMBA.h
@@ -101,7 +101,7 @@
 
 #define SDPOWER            -1
 #define SDSS               53
-#define SDCARDDETECT       49
+#define SDCARDDETECT_PIN   49
 #define BEEPER_PIN         44
 #define LCD_PINS_RS        19
 #define LCD_PINS_ENABLE    42
diff --git a/Marlin/pins_SANGUINOLOLU_11.h b/Marlin/pins_SANGUINOLOLU_11.h
index 184fa37ec..93eb68254 100644
--- a/Marlin/pins_SANGUINOLOLU_11.h
+++ b/Marlin/pins_SANGUINOLOLU_11.h
@@ -156,7 +156,7 @@
     #define LCD_SDSS            28 // Smart Controller SD card reader rather than the Melzi
   #endif //Panelolu2
 
-  #define SDCARDDETECT          -1
+  #define SDCARDDETECT_PIN      -1
 
 #elif ENABLED(MAKRPANEL)
 
@@ -178,7 +178,7 @@
   #define BTN_EN2               10
   #define BTN_ENC               16
 
-  #define SDCARDDETECT          -1
+  #define SDCARDDETECT_PIN      -1
 
 #endif // MAKRPANEL
 
diff --git a/Marlin/pins_SAV_MKI.h b/Marlin/pins_SAV_MKI.h
index f938e91a2..e5cfd79f7 100644
--- a/Marlin/pins_SAV_MKI.h
+++ b/Marlin/pins_SAV_MKI.h
@@ -83,7 +83,7 @@
 #define LED_PIN            -1
 #define PS_ON_PIN          -1
 #define ALARM_PIN          -1
-#define SDCARDDETECT       -1
+#define SDCARDDETECT_PIN   -1
 
 #define BEEPER_PIN         -1
 #define LCD_PINS_RS        -1
diff --git a/Marlin/pins_TEENSY2.h b/Marlin/pins_TEENSY2.h
index 4f568b7f8..1328a4a33 100644
--- a/Marlin/pins_TEENSY2.h
+++ b/Marlin/pins_TEENSY2.h
@@ -86,7 +86,7 @@
 #define TEMP_2_PIN         -1
 
 #define SDPOWER            -1
-#define SDCARDDETECT       -1   
+#define SDCARDDETECT_PIN   -1   
 #define SDSS               20 // 8
 #define LED_PIN             6
 #define PS_ON_PIN          27
diff --git a/Marlin/pins_TEENSYLU.h b/Marlin/pins_TEENSYLU.h
index 9d0ff9e3f..0f8c24ed3 100644
--- a/Marlin/pins_TEENSYLU.h
+++ b/Marlin/pins_TEENSYLU.h
@@ -78,7 +78,7 @@
     #define SDSS           40  //use SD card on Panelolu2 (Teensyduino pin mapping)
   #endif // LCD_I2C_PANELOLU2
 
-  #define SDCARDDETECT     -1
+  #define SDCARDDETECT_PIN -1    
 
 #endif // ULTRA_LCD && NEWPANEL
 
diff --git a/Marlin/pins_ULTIMAIN_2.h b/Marlin/pins_ULTIMAIN_2.h
index 46d8ee2a6..95675f410 100644
--- a/Marlin/pins_ULTIMAIN_2.h
+++ b/Marlin/pins_ULTIMAIN_2.h
@@ -76,4 +76,4 @@
 #define BLEN_B 1
 #define BLEN_A 0
 
-#define SDCARDDETECT 39
+#define SDCARDDETECT_PIN 39
diff --git a/Marlin/pins_ULTIMAKER.h b/Marlin/pins_ULTIMAKER.h
index 9f0bb18c8..ef0d2dff6 100644
--- a/Marlin/pins_ULTIMAKER.h
+++ b/Marlin/pins_ULTIMAKER.h
@@ -73,7 +73,7 @@
     #define BTN_EN2 42
     #define BTN_ENC 19
 
-    #define SDCARDDETECT 38
+    #define SDCARDDETECT_PIN 38
 
   #else //!NEWPANEL - Old style panel with shift register
 
@@ -90,7 +90,7 @@
     #define LCD_PINS_D6 20
     #define LCD_PINS_D7 19
 
-    #define SDCARDDETECT -1
+    #define SDCARDDETECT_PIN -1
 
   #endif // !NEWPANEL
 
diff --git a/Marlin/ultralcd.cpp b/Marlin/ultralcd.cpp
index fa47947b9..8066e88de 100644
--- a/Marlin/ultralcd.cpp
+++ b/Marlin/ultralcd.cpp
@@ -221,7 +221,7 @@ static void lcd_status_screen();
   millis_t next_button_update_ms;
   uint8_t lastEncoderBits;
   uint32_t encoderPosition;
-  #if (SDCARDDETECT > 0)
+  #if PIN_EXISTS(SDCARDDETECT)
     bool lcd_oldcardstatus;
   #endif
 
@@ -411,14 +411,14 @@ static void lcd_main_menu() {
       }
       else {
         MENU_ITEM(submenu, MSG_CARD_MENU, lcd_sdcard_menu);
-        #if SDCARDDETECT < 1
+        #if !PIN_EXISTS(SDCARDDETECT)
           MENU_ITEM(gcode, MSG_CNG_SDCARD, PSTR("M21"));  // SD-card changed by user
         #endif
       }
     }
     else {
       MENU_ITEM(submenu, MSG_NO_CARD, lcd_sdcard_menu);
-      #if SDCARDDETECT < 1
+      #if !PIN_EXISTS(SDCARDDETECT)
         MENU_ITEM(gcode, MSG_INIT_SDCARD, PSTR("M21")); // Manually initialize the SD-card via user interface
       #endif
     }
@@ -1156,7 +1156,7 @@ static void lcd_control_volumetric_menu() {
   }
 #endif // FWRETRACT
 
-#if SDCARDDETECT == -1
+#if !PIN_EXISTS(SDCARDDETECT)
   static void lcd_sd_refresh() {
     card.initsd();
     currentMenuViewOffset = 0;
@@ -1180,7 +1180,7 @@ void lcd_sdcard_menu() {
   MENU_ITEM(back, MSG_MAIN, lcd_main_menu);
   card.getWorkDirName();
   if (card.filename[0] == '/') {
-    #if SDCARDDETECT == -1
+    #if !PIN_EXISTS(SDCARDDETECT)
       MENU_ITEM(function, LCD_STR_REFRESH MSG_REFRESH, lcd_sd_refresh);
     #endif
   }
@@ -1407,11 +1407,11 @@ void lcd_init() {
   #endif // SR_LCD_2W_NL
 #endif//!NEWPANEL
 
-  #if ENABLED(SDSUPPORT) && defined(SDCARDDETECT) && (SDCARDDETECT > 0)
-    pinMode(SDCARDDETECT, INPUT);
-    WRITE(SDCARDDETECT, HIGH);
+  #if ENABLED(SDSUPPORT) && PIN_EXISTS(SDCARDDETECT)
+    pinMode(SDCARDDETECT_PIN, INPUT);
+    WRITE(SDCARDDETECT_PIN, HIGH);
     lcd_oldcardstatus = IS_SD_INSERTED;
-  #endif //(SDCARDDETECT > 0)
+  #endif
 
   #if ENABLED(LCD_HAS_SLOW_BUTTONS)
     slow_buttons = 0;
@@ -1466,7 +1466,7 @@ void lcd_update() {
 
   lcd_buttons_update();
 
-  #if (SDCARDDETECT > 0)
+  #if PIN_EXISTS(SDCARDDETECT)
     if (IS_SD_INSERTED != lcd_oldcardstatus && lcd_detected()) {
       lcdDrawUpdate = 2;
       lcd_oldcardstatus = IS_SD_INSERTED;