Hospital Abbreviations

Filter

This filter identifies US hospital abbreviations in text.

Required Parameters

This filter has no required parameters.

Optional Parameters

Parameter	Description	Default Value
`hospitalAbbreviationFilterStrategies`	A list of filter strategies.	None
`sensitivity`	Controls the "fuzziness" of allowed values to account for misspellings and derivations. Valid values are `low`, `medium`, and `high`.	`medium`

Filter Strategies

The filter may have zero or more filter strategies. When no filter strategy is given the default strategy of REDACT is used. When multiple filter strategies are given the filter strategies will be applied in as they are listed. See Filter Strategies for details.

Strategy	Description
`REDACT`	Replace the sensitive text with a placeholder.
`RANDOM_REPLACE`	Replace the sensitive text with a similar, random value.
`STATIC_REPLACE`	Replace the sensitive text with a given value.
`CRYPTO_REPLACE`	Replace the sensitive text with its encrypted value.
`HASH_SHA256_REPLACE`	Replace the sensitive text with its SHA256 hash value.

Conditions

Each filter strategy may have one condition. See Conditions for details.

Conditional	Description	Operators
`TOKEN`	Compares the value of the sensitive text.	`==`, `!=`
`CONTEXT`	Compares the filtering context.	`==`, `!=`
`CONFIDENCE`	Compares the confidence in the sensitive text against a threshold value.	`<`, `<=`, `>`, `>=`, `==`, `!=`

Example Policy

{
   "name": "hospital-abbreviations-example",
   "identifiers": {
      "hospitalAbbreviation": {
         "sensitivity": "medium",
         "hospitalAbbreviationFilterStrategies": [
            {
               "strategy": "REDACT",
               "redactionFormat": "{{{REDACTED-%t}}}"
            }
         ]
      }
   }
}

Last modified: 08 November 2023