diff --git a/matter/src/tlv/parser.rs b/matter/src/tlv/parser.rs
index 8bfdd28..5e6964c 100644
--- a/matter/src/tlv/parser.rs
+++ b/matter/src/tlv/parser.rs
@@ -357,6 +357,14 @@ impl<'a> TLVElement<'a> {
         }
     }
 
+    pub fn i16(&self) -> Result<i16, Error> {
+        match self.element_type {
+            ElementType::S8(a) => Ok(a.into()),
+            ElementType::S16(a) => Ok(a),
+            _ => Err(ErrorCode::TLVTypeMismatch.into()),
+        }
+    }
+
     pub fn u16(&self) -> Result<u16, Error> {
         match self.element_type {
             ElementType::U8(a) => Ok(a.into()),
@@ -365,6 +373,15 @@ impl<'a> TLVElement<'a> {
         }
     }
 
+    pub fn i32(&self) -> Result<i32, Error> {
+        match self.element_type {
+            ElementType::S8(a) => Ok(a.into()),
+            ElementType::S16(a) => Ok(a.into()),
+            ElementType::S32(a) => Ok(a),
+            _ => Err(ErrorCode::TLVTypeMismatch.into()),
+        }
+    }
+
     pub fn u32(&self) -> Result<u32, Error> {
         match self.element_type {
             ElementType::U8(a) => Ok(a.into()),
@@ -374,6 +391,16 @@ impl<'a> TLVElement<'a> {
         }
     }
 
+    pub fn i64(&self) -> Result<i64, Error> {
+        match self.element_type {
+            ElementType::S8(a) => Ok(a.into()),
+            ElementType::S16(a) => Ok(a.into()),
+            ElementType::S32(a) => Ok(a.into()),
+            ElementType::S64(a) => Ok(a),
+            _ => Err(ErrorCode::TLVTypeMismatch.into()),
+        }
+    }
+
     pub fn u64(&self) -> Result<u64, Error> {
         match self.element_type {
             ElementType::U8(a) => Ok(a.into()),
diff --git a/matter/src/tlv/traits.rs b/matter/src/tlv/traits.rs
index 9a8edcd..2156f58 100644
--- a/matter/src/tlv/traits.rs
+++ b/matter/src/tlv/traits.rs
@@ -91,7 +91,7 @@ macro_rules! fromtlv_for {
     };
 }
 
-fromtlv_for!(u8 u16 u32 u64 bool);
+fromtlv_for!(i8 u8 i16 u16 i32 u32 i64 u64 bool);
 
 pub trait ToTLV {
     fn to_tlv(&self, tw: &mut TLVWriter, tag: TagType) -> Result<(), Error>;
@@ -139,7 +139,7 @@ impl<'a, T: ToTLV> ToTLV for &'a [T] {
 }
 
 // Generate ToTLV for standard data types
-totlv_for!(i8 u8 u16 u32 u64 bool);
+totlv_for!(i8 u8 i16 u16 i32 u32 i64 u64 bool);
 
 // We define a few common data types that will be required here
 //