## validate_codelist_ids()


Validate that all values in coded columns are within the allowed codelist IDs.


Usage

``` python
validate_codelist_ids(
    df,
    codelist_ids,
    max_errors=1000,
)
```


Reports violations across all coded columns in a single error, capped at `max_errors` entries.


## Parameters


`df: pd.DataFrame`  
The DataFrame to validate.

`codelist_ids: dict[str, list[str]]`  
Mapping of column name to list of allowed code IDs.

`max_errors: int = ``1000`  
Maximum number of invalid-value entries to include in the error message across all columns. Defaults to `1000`.


## Raises


`ValueError`  
If any value in a coded column is not in the allowed IDs, listing all offending values (up to `max_errors`) with their column.