# RxNormAttribute
<a name="API_RxNormAttribute"></a>

The extracted attributes that relate to this entity. The attributes recognized by InferRxNorm are `DOSAGE`, `DURATION`, `FORM`, `FREQUENCY`, `RATE`, `ROUTE_OR_MODE`.

## Contents
<a name="API_RxNormAttribute_Contents"></a>

 ** BeginOffset **   <a name="comprehendmedical-Type-RxNormAttribute-BeginOffset"></a>
The 0-based character offset in the input text that shows where the attribute begins. The offset returns the UTF-8 code point in the string.  
Type: Integer  
Required: No

 ** EndOffset **   <a name="comprehendmedical-Type-RxNormAttribute-EndOffset"></a>
The 0-based character offset in the input text that shows where the attribute ends. The offset returns the UTF-8 code point in the string.  
Type: Integer  
Required: No

 ** Id **   <a name="comprehendmedical-Type-RxNormAttribute-Id"></a>
The numeric identifier for this attribute. This is a monotonically increasing id unique within this response rather than a global unique identifier.  
Type: Integer  
Required: No

 ** RelationshipScore **   <a name="comprehendmedical-Type-RxNormAttribute-RelationshipScore"></a>
The level of confidence that Amazon Comprehend Medical has that the attribute is accurately linked to an entity.  
Type: Float  
Required: No

 ** Score **   <a name="comprehendmedical-Type-RxNormAttribute-Score"></a>
The level of confidence that Comprehend Medical has that the segment of text is correctly recognized as an attribute.  
Type: Float  
Required: No

 ** Text **   <a name="comprehendmedical-Type-RxNormAttribute-Text"></a>
The segment of input text which corresponds to the detected attribute.  
Type: String  
Length Constraints: Minimum length of 1.  
Required: No

 ** Traits **   <a name="comprehendmedical-Type-RxNormAttribute-Traits"></a>
Contextual information for the attribute. InferRxNorm recognizes the trait `NEGATION` for attributes, i.e. that the patient is not taking a specific dose or form of a medication.  
Type: Array of [RxNormTrait](API_RxNormTrait.md) objects  
Required: No

 ** Type **   <a name="comprehendmedical-Type-RxNormAttribute-Type"></a>
The type of attribute. The types of attributes recognized by InferRxNorm are `BRAND_NAME` and `GENERIC_NAME`.  
Type: String  
Valid Values: `DOSAGE | DURATION | FORM | FREQUENCY | RATE | ROUTE_OR_MODE | STRENGTH`   
Required: No

## See Also
<a name="API_RxNormAttribute_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/comprehendmedical-2018-10-30/RxNormAttribute) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/comprehendmedical-2018-10-30/RxNormAttribute) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/comprehendmedical-2018-10-30/RxNormAttribute)