---
title: "adverse_reaction_screening"
description: "Series of questions and associated answers used to screen for the presence of any previous adverse reactions."
---

Series of questions and associated answers used to screen for the presence of any previous adverse reactions.

**Purpose.** To create a framework for recording answers to pre-defined screening questions about adverse reactions.

## Source

| Model | Leg | Role |
|---|---|---|
| `openEHR-EHR-OBSERVATION.adverse_reaction_screening.v1` | openEHR | defines this table |

## Columns

| Column | Type | Null | Description | Source |
|---|---|---|---|---|
| `id` | `uuid primary key` | no | Primary key. | — |
| `form_id` | `uuid` → [`form`](/docs/tables/form) | no | The form this entry was recorded on. | — |
| `form_block_id` | `uuid` | yes | The block within the form, when the entry is bound to one. | — |
| `screening_purpose`<br />`screening_purpose_code`<br />`screening_purpose_system`<br />`screening_purpose_valueset_id` | coded text<br />`text`, `text`, `text`, `text` | yes | Screening purpose | `/data[at0001]/events[at0002]/data[at0003]/items[at0034]` |
| `any_adverse_reactions` | `boolean` | yes | Any adverse reactions? | `/data[at0001]/events[at0002]/data[at0003]/items[at0028]` |
| `description` | `text` | yes | Description | `/data[at0001]/events[at0002]/data[at0003]/items[at0043]` |

## Constraints

```sql
check ((screening_purpose_code is null and screening_purpose_system is null and screening_purpose_valueset_id is null) or (screening_purpose is not null and screening_purpose_code is not null and screening_purpose_system is not null and screening_purpose_valueset_id is not null))
```

## Unique

- `form_block_id`

## References

| Columns | Target | On delete |
|---|---|---|
| `form_id` | [`form`](/docs/tables/form) | cascade |
| `form_id, form_block_id` | [`form_block`](/docs/tables/form_block) | cascade |
| `screening_purpose_valueset_id, screening_purpose_code, screening_purpose_system, screening_purpose` | [`valueset_code`](/docs/tables/valueset_code) | restrict |

## Referenced by

- [`adverse_reaction_screening_specific_adverse_reaction`](/docs/tables/adverse_reaction_screening_specific_adverse_reaction) via `adverse_reaction_screening_id`

## Indexes

- `adverse_reaction_screening_form_id_idx` on `form_id`

## Child tables

2 tables hang off `adverse_reaction_screening`, one row per repetition.

### `adverse_reaction_screening_specific_adverse_reaction`

Child table — one row per repetition, deleted with its parent.

| Column | Type | Null | Description | Source |
|---|---|---|---|---|
| `id` | `uuid primary key` | no | Primary key. | — |
| `adverse_reaction_screening_id` | `uuid` → [`adverse_reaction_screening`](/docs/tables/adverse_reaction_screening) | no | — | — |
| `position` | `integer` | no | Order of this row within its parent, from zero. | — |
| `substance_name`<br />`substance_name_code`<br />`substance_name_system`<br />`substance_name_valueset_id` | coded text<br />`text`, `text`, `text`, `text` | yes | Substance name | `/data[at0001]/events[at0002]/data[at0003]/items[at0022]/items[at0004]` |
| `presence` | `boolean` | yes | Presence? | `/data[at0001]/events[at0002]/data[at0003]/items[at0022]/items[at0005]` |
| `timing` | `timestamptz` | yes | Timing | `/data[at0001]/events[at0002]/data[at0003]/items[at0022]/items[at0040]` |
| `comment` | `text` | yes | Comment | `/data[at0001]/events[at0002]/data[at0003]/items[at0022]/items[at0025]` |

#### Constraints

```sql
check ((substance_name_code is null and substance_name_system is null and substance_name_valueset_id is null) or (substance_name is not null and substance_name_code is not null and substance_name_system is not null and substance_name_valueset_id is not null))
```

#### Unique

- `adverse_reaction_screening_id, position`

#### References

| Columns | Target | On delete |
|---|---|---|
| `adverse_reaction_screening_id` | [`adverse_reaction_screening`](/docs/tables/adverse_reaction_screening) | cascade |
| `substance_name_valueset_id, substance_name_code, substance_name_system, substance_name` | [`valueset_code`](/docs/tables/valueset_code) | restrict |

### Referenced by

- [`adverse_reaction_screening_specific_adverse_reaction_add_eb257e`](/docs/tables/adverse_reaction_screening_specific_adverse_reaction_add_eb257e) via `adverse_reaction_screening_specific_adverse_reaction_id`

### `adverse_reaction_screening_specific_adverse_reaction_add_eb257e`

Child table — one row per repetition, deleted with its parent.

| Column | Type | Null | Description | Source |
|---|---|---|---|---|
| `id` | `uuid primary key` | no | Primary key. | — |
| `adverse_reaction_screening_specific_adverse_reaction_id` | `uuid` → [`adverse_reaction_screening_specific_adverse_reaction`](/docs/tables/adverse_reaction_screening_specific_adverse_reaction) | no | — | — |
| `position` | `integer` | no | Order of this row within its parent, from zero. | — |
| `organization_id` | `uuid` | no | Additional details | `/data[at0001]/events[at0002]/data[at0003]/items[at0022]/items[at0039]` |

#### Unique

- `adverse_reaction_screening_specific_adverse_reaction_id, position`
- `adverse_reaction_screening_specific_adverse_reaction_id, organization_id`

#### References

| Columns | Target | On delete |
|---|---|---|
| `adverse_reaction_screening_specific_adverse_reaction_id` | [`adverse_reaction_screening_specific_adverse_reaction`](/docs/tables/adverse_reaction_screening_specific_adverse_reaction) | cascade |
| `organization_id` | [`organization`](/docs/tables/organization) | no action |

#### Indexes

- `adverse_reaction_screening_specific_adverse_reaction_add_8f359b` on `organization_id`