diff --git a/api/current.txt b/api/current.txt
index f51b81cabc54b..16af673593d50 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -7673,8 +7673,10 @@ package android.bluetooth.le {
     field public static final android.os.Parcelable.Creator<android.bluetooth.le.ScanResult> CREATOR;
     field public static final int DATA_COMPLETE = 0; // 0x0
     field public static final int DATA_TRUNCATED = 2; // 0x2
+    field public static final int PERIODIC_INTERVAL_NOT_PRESENT = 0; // 0x0
     field public static final int PHY_UNUSED = 0; // 0x0
     field public static final int SID_NOT_PRESENT = 255; // 0xff
+    field public static final int TX_POWER_NOT_PRESENT = 127; // 0x7f
   }
 
   public final class ScanSettings implements android.os.Parcelable {
diff --git a/api/system-current.txt b/api/system-current.txt
index 193706c714ee6..aab9c38d177d4 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -7991,8 +7991,10 @@ package android.bluetooth.le {
     field public static final android.os.Parcelable.Creator<android.bluetooth.le.ScanResult> CREATOR;
     field public static final int DATA_COMPLETE = 0; // 0x0
     field public static final int DATA_TRUNCATED = 2; // 0x2
+    field public static final int PERIODIC_INTERVAL_NOT_PRESENT = 0; // 0x0
     field public static final int PHY_UNUSED = 0; // 0x0
     field public static final int SID_NOT_PRESENT = 255; // 0xff
+    field public static final int TX_POWER_NOT_PRESENT = 127; // 0x7f
   }
 
   public final class ScanSettings implements android.os.Parcelable {
diff --git a/api/test-current.txt b/api/test-current.txt
index c4737f78a2d6a..77d0c66fa43d5 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -7682,8 +7682,10 @@ package android.bluetooth.le {
     field public static final android.os.Parcelable.Creator<android.bluetooth.le.ScanResult> CREATOR;
     field public static final int DATA_COMPLETE = 0; // 0x0
     field public static final int DATA_TRUNCATED = 2; // 0x2
+    field public static final int PERIODIC_INTERVAL_NOT_PRESENT = 0; // 0x0
     field public static final int PHY_UNUSED = 0; // 0x0
     field public static final int SID_NOT_PRESENT = 255; // 0xff
+    field public static final int TX_POWER_NOT_PRESENT = 127; // 0x7f
   }
 
   public final class ScanSettings implements android.os.Parcelable {
diff --git a/core/java/android/bluetooth/le/ScanResult.java b/core/java/android/bluetooth/le/ScanResult.java
index 5b2fa406cd3f4..e552398e9e267 100644
--- a/core/java/android/bluetooth/le/ScanResult.java
+++ b/core/java/android/bluetooth/le/ScanResult.java
@@ -51,6 +51,16 @@ public final class ScanResult implements Parcelable {
      */
     public static final int SID_NOT_PRESENT = 0xFF;
 
+    /**
+     * TX power is not present in the packet.
+     */
+    public static final int TX_POWER_NOT_PRESENT = 0x7F;
+
+    /**
+     * Periodic advertising interval is not present in the packet.
+     */
+    public static final int PERIODIC_INTERVAL_NOT_PRESENT = 0x00;
+
     /**
      * Mask for checking whether event type represents legacy advertisement.
      */
@@ -265,15 +275,16 @@ public final class ScanResult implements Parcelable {
 
     /**
      * Returns the transmit power in dBm.
-     * Valid range is [-127, 126]. A value of 127 indicates that the
-     * advertisement did not indicate TX power.
+     * Valid range is [-127, 126]. A value of {@link ScanResult#TX_POWER_NOT_PRESENT}
+     * indicates that the TX power is not present.
      */
     public int getTxPower() { return mTxPower; }
 
     /**
      * Returns the periodic advertising interval in units of 1.25ms.
-     * Valid range is 6 (7.5ms) to 65536 (81918.75ms). A value of 0 means
-     * periodic advertising is not used for this scan result.
+     * Valid range is 6 (7.5ms) to 65536 (81918.75ms). A value of
+     * {@link ScanResult#PERIODIC_INTERVAL_NOT_PRESENT} means periodic
+     * advertising interval is not present.
      */
     public int getPeriodicAdvertisingInterval() {
         return mPeriodicAdvertisingInterval;