> ## 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.

# immunization_route_coding

Normalized `Immunization.route.coding[]` property on the [Immunization](https://hl7.org/fhir/R4/immunization.html) FHIR resource.

**Primary Keys:**

* immunization\_route\_coding\_id

**Foreign Keys:**

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

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

| Column                          | Data Type | Description                                         |
| ------------------------------- | --------- | --------------------------------------------------- |
| immunization\_route\_coding\_id | varchar   | Unique identifier for the coding row                |
| immunization\_id                | varchar   | FK to the parent immunization record                |
| code\_rank†                     | int       | 1-based position of this coding in the source array |
| code                            | varchar   | Code value                                          |
| display                         | varchar   | Human-readable display text                         |
| system                          | varchar   | Coding system URI                                   |

**Related Tables:**

**Parent:**

* [immunization](/medical-api/handling-data/schema-v100/immunization/base)