> ## Documentation Index
> Fetch the complete documentation index at: https://docs.metriport.com/llms.txt
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# 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)


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