> ## Documentation Index
> Fetch the complete documentation index at: https://docs.metriport.com/llms.txt
> Use this file to discover all available pages before exploring further.

# allergyintolerance_reaction_manifestation

Clinical symptoms/signs associated with an adverse reaction event (`AllergyIntolerance.reaction[].manifestation[]`).

**Previous version:** [allergy\_intolerance\_reaction\_manifestation](/medical-api/handling-data/schema-v000/allergy-intolerance/reaction-manifestation)

**Primary Keys:**

* allergyintolerance\_reaction\_manifestation\_id

**Foreign Keys:**

* allergyintolerance\_reaction\_id - links to the [allergyintolerance\_reaction](/medical-api/handling-data/schema-v100/allergyintolerance/reaction) table

<div style={{textAlign: 'right'}}><sub>† Metriport Platform added</sub></div>

| Column                                          | Data Type | Description                                          |
| ----------------------------------------------- | --------- | ---------------------------------------------------- |
| allergyintolerance\_reaction\_manifestation\_id | varchar   | Unique identifier for the manifestation              |
| allergyintolerance\_reaction\_id                | varchar   | FK to the parent allergyintolerance\_reaction record |
| text                                            | varchar   | Free-text description of the manifestation           |
| snomed\_code†                                   | varchar   | SNOMED CT code for the manifestation                 |
| snomed\_display†                                | varchar   | Human-readable SNOMED CT description                 |

**Related Tables:**

**Parent:**

* [allergyintolerance\_reaction](/medical-api/handling-data/schema-v100/allergyintolerance/reaction)

**Child:**

* [allergyintolerance\_reaction\_manifestation\_coding](/medical-api/handling-data/schema-v100/allergyintolerance/reaction_manifestation_coding)

## Version diff

**Renamed**

* `allergy_intolerance_reaction_manifestation_id` → `allergyintolerance_reaction_manifestation_id`
* `allergy_intolerance_reaction_id` → `allergyintolerance_reaction_id`

**Moved to separate tables**

* `source_manifestation_code` → [`allergyintolerance_reaction_manifestation_coding.code`](/medical-api/handling-data/schema-v100/allergyintolerance/reaction_manifestation_coding) w/ `code_rank = 1`
* `source_manifestation_display` → [`allergyintolerance_reaction_manifestation_coding.display`](/medical-api/handling-data/schema-v100/allergyintolerance/reaction_manifestation_coding) w/ `code_rank = 1`
* `source_manifestation_system` → [`allergyintolerance_reaction_manifestation_coding.system`](/medical-api/handling-data/schema-v100/allergyintolerance/reaction_manifestation_coding) w/ `code_rank = 1`