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

# Data Commands

> Manage healthcare reference datasets — install, import, and update LOINC, SNOMED, ICD-10, NDC, and more.

Pidgeon uses reference datasets for realistic code generation during message creation. These commands manage your local dataset installations.

## Available Datasets

| Dataset        | Codes         | Size   | Free         | Pro                   |
| -------------- | ------------- | ------ | ------------ | --------------------- |
| LOINC 2.81     | 108K          | 25 MB  | Basic subset | Full                  |
| SNOMED CT US   | 350K+         | 1.5 GB | Basic subset | Full                  |
| ICD-10-CM 2026 | 74K           | 15 MB  | Full         | Full                  |
| ICD-9-CM v32   | DX + SG       | 8 MB   | Full         | Full                  |
| NDC            | 110K products | 30 MB  | Basic subset | Full                  |
| CVX            | 288 entries   | 1 MB   | Full         | Full                  |
| RxNorm         | Large         | 1.7 GB | —            | Full                  |
| HCPCS          | Full set      | 5 MB   | —            | Full                  |
| CPT            | —             | —      | —            | Add-on (\$30/user/yr) |

## pidgeon data list

List all available and installed datasets.

```bash theme={null}
pidgeon data list
```

```text theme={null}
Dataset          Status      Version    Size
─────────────────────────────────────────────
LOINC            Installed   2.81       25 MB
SNOMED CT US     Available   Sep 2025   1.5 GB
ICD-10-CM        Installed   2026       15 MB
ICD-9-CM         Installed   v32        8 MB
NDC              Installed   Current    30 MB
CVX              Installed   Current    1 MB
RxNorm           Available   Feb 2026   1.7 GB
HCPCS            Available   Jan 2026   5 MB
```

## pidgeon data install

Download and install a dataset.

```bash theme={null}
pidgeon data install <name>
```

```bash theme={null}
pidgeon data install loinc
pidgeon data install snomed
pidgeon data install rxnorm
```

## pidgeon data import

Import a custom dataset from a CSV or JSON file.

```bash theme={null}
pidgeon data import <path>
```

```bash theme={null}
pidgeon data import ./custom-codes.csv
```

## pidgeon data update

Update all installed datasets to the latest versions.

```bash theme={null}
pidgeon data update
```