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

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Available Datasets

DatasetCodesSizeFreePro
LOINC 2.81108K25 MBBasic subsetFull
SNOMED CT US350K+1.5 GBBasic subsetFull
ICD-10-CM 202674K15 MBFullFull
ICD-9-CM v32DX + SG8 MBFullFull
NDC110K products30 MBBasic subsetFull
CVX288 entries1 MBFullFull
RxNormLarge1.7 GB—Full
HCPCSFull set5 MB—Full
CPT———Add-on ($30/user/yr)

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pidgeon data list

List all available and installed datasets. 
pidgeon data list

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

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pidgeon data install

Download and install a dataset. 
pidgeon data install <name>

pidgeon data install loinc
pidgeon data install snomed
pidgeon data install rxnorm

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pidgeon data import

Import a custom dataset from a CSV or JSON file. 
pidgeon data import <path>

pidgeon data import ./custom-codes.csv

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pidgeon data update

Update all installed datasets to the latest versions. 
pidgeon data update