> ## 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.

# observation_vcc_coding

Normalized `Observation.valueCodeableConcept.coding[]` property on the [Observation](https://hl7.org/fhir/R4/observation.html) FHIR resource.

**Primary Keys:**

* observation\_vcc\_coding\_id

**Foreign Keys:**

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

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

| Column | Data Type | Description |
| - | - | - |
| observation\_vcc\_coding\_id | varchar | Unique identifier for the coding row |
| observation\_id | varchar | Parent observation |
| code\_rank† | int | 1-based index of this coding in the valueCodeableConcept.coding array |
| code | varchar | Code value |
| display | varchar | Human-readable display |
| system | varchar | Code system URI |

**Related Tables:**

**Parent:**

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


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