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@amida-tech/blue-button-match

v1.5.5

Published

Automatic matching of Blue Button JSON data (detection of new, duplicate and partial match entries).

Downloads

24

Readme

blue-button-match

Automatic matching of Blue Button JSON data (detection of new, duplicate and partial match entries)

NPM

Build Status Coverage Status Dependency Status

Library interfaces/APIs

This library exposes methods for matching entire health records as well as lower level methods for matching sections of health records.

This library provides the following functionality

  • Match two health records in blue-button JSON format
  • Match individual sections of above

Quick up and running guide

Prerequisites

  • Node.js (v14.19+) and NPM
  • Grunt.js
# Install dependencies
npm i

# Install grunt
npm i -g grunt

# Test
grunt

Usage example

Require blue-button-match module

var match = require("./index.js") 
var bb = require("@amida-tech/blue-button");

var recordA = bb.parseString("record A");
var recordB = bb.parseString("record B");

var result = match.match(recordA.data, recordB.data);

console.log(result);

This will produce a match object looking like this:

{
  "match": {
    "allergies" : [
      {
        "match": "new",
        "percent": 0,
        "src_id": "0",
        "dest_id": "0",
        "dest": "dest"
      },
      {
        "match": "new",
        "percent": 0,
        "src_id": "1",
        "dest_id": "0",
        "dest": "dest"
      },
      {
        "match": "new",
        "percent": 0,
        "src_id": "2",
        "dest_id": "0",
        "dest": "dest"
      },
      {
        "match": "new",
        "percent": 0,
        "src_id": "0",
        "dest_id": "1",
        "dest": "src"
      },
        ...
      }
    ],
    "medications" : [...],
    "demographics" : [...]
    ...
  },
  "meta": {
    "version" : "0.0.1"
	},
	"errors": []
}

Matching record explanation

Match element can be {"match" : "duplicate", "percent": 100}, {"match" : "new", "percent: 0"} or {"match" : "partial", "percent": 50}.

Partial match is expressed in percent and can range from 1 to 99. Percent is included in the duplicate and new objects as well for range based calculations, but will always equal 100 or 0 respectively.

Element attribute dest_id refers to the element position (index) in the related section's array of the Master Health Record. Element attribute src_id refers to the element position (index) in the related array of the new document being merged (new record). This is modulated by the 'dest' field. When {dest:'dest'} is present the dest_id references the index of the record matched against a new entry. When {dest: 'src'} is present, the dest_id references the index of the record contained within the same record as the src_id.

{
  "match":
  {
    "allergies" : [
      { "match" : "duplicate", "src_id" : 0, "dest_id": 2 },
      { "match" : "new", "src_id" :1 },
      { "match" : "partial", "percent" : 50, "src_id" : 2, "dest_id" : 5},
      ...
    ],
    "medications" : [...],
    "demographics" : [...]
    ...
  }
}

Matching results JSON structures (by record type)

Multiple facts

Applied to: All sections excluding Demographics

New match entry (dest):

{
  "match": "new",
  "percent": 0,
  "src_id": "1",
  "dest_id": "2",
  "dest": "dest"
}

Duplicate match entry (dest):

 {
    "match": "duplicate",
    "percent": "100",
    "src_id": "1",
    "dest_id": "1",
    "dest": "dest"
 }

Partial match entry (dest):

{
  "match": "partial",
  "percent": 50,
  "subelements": {
    "reaction": [{
      "match": "new",
      "percent": 0,
      "src_id": "0",
      "dest_id": "0",
      "dest": "dest"
    }]
  },
  "diff": {
    "date_time": "duplicate",
    "identifiers": "duplicate",
    "allergen": "duplicate",
    "severity": "duplicate",
    "status": "duplicate",
    "reaction": "new"
  },
  "src_id": "2",
  "dest_id": "2",
  "dest": "dest"
}

Single facts

Applied to: Demographics

Record is a duplicate:

[ { match: 'duplicate', src_id: 0, dest_id: 0 } ]

Record is a partial match:

[ 
  { 
    match: 'diff',
    diff: 
    { 
       name: 'duplicate',
       dob: 'new',
       gender: 'duplicate',
       identifiers: 'duplicate',
       marital_status: 'duplicate',
       addresses: 'new',
       phone: 'duplicate',
       race_ethnicity: 'duplicate',
       languages: 'duplicate',
       religion: 'duplicate',
       birthplace: 'duplicate',
       guardians: 'new' 
    },
    src_id: 0,
    dest_id: 0 
  } 
]

Edge cases for single facts:

Both objects are empty e.g. comparePartial({}, {})

[ { match: 'duplicate' } ]

Comparing empty object e.g. {} with non-empty (master record)

[ { match: 'diff', diff: {} } ]

Comparing non empty object with empty master record {}

[ { match: 'new' } ]

Matching Rules

Common matching rules

Date/time match - Hard match on dates, After initial date mismatch, fuzzy date match performed. Will check for overlap of dates if they don't hard match.

Code match (Code System match) - Either names must match, or code/code system must match. Translations are supported: Translated objects may be matched against an object and follow the same rules.

String match - Case insensitive/trimmed match of string values.

String array match - Case insensitive/trimmed match of arrays for equality.

Boolean match - Simple true/false equality comparison.

Each sections logic is contained in a .json file corresponding to the section name. It is divided into primary and secondary logic. Secondary logic only executes only if primary logic resulted in a successful match, and can bolster match percentages. Each section contains an array of match data.

Each element of match data has 3 components, a path, the location of the element, the type, or what common utility should handle it, and the percentage, which is a resulting increase if a match is made successfully.

Additionally, elements may have 'subarrays', which is used to populate sub-arrays from the match and provides corresponding diffs. Their structure is the same as match entries.

Note: Currently, the logic is designed so a match over 50% is considered actionable.

Allergies

Primary: Allergen Coded Match.

Secondary: Date/time.

Claims

Primary: Payer String Match, Number String Match, and type String Array match.

Demographics

All subelements are compared.

Encounters

Primary: Encounter Coded Match, Date/time.

Immunizations

Primary: Product Coded Match, Date/time.

Insurance

Primary: Plan Identifier String Match, Policy Number String Match, and Payer Name String match.

Note: Any combination of two matches will be over 50%.

Medications

Primary: Product Coded Entry.

Secondary: Date/time.

Payers

Primary: Policy Insurance Object.

Plan of Care

Primary: Plan Coded Entry, Date/time.

Problems

Primary: Problem Coded Entry.

Secondary: Date/time, Status string match, Negation Indicator boolean match.

Procedures

Primary: Procedure Coded Entry Match.

Secondary: Date/time.

Providers

Primary: Provider Type String Match.

Secondary: Person Object, and Name String.

Results

Primary: Result set Coded Entry, and Result set Date/time.

Note: Date/time calculated as most recent value from results array.

Social History

Primary: Value String entry.

Secondary: Date/time.

Vitals model

Primary: Vital Coded entry.

Secondary: Date/time.

Contributing

Contributors are welcome. See issues

Release Notes

See release notes here

License

Licensed under Apache 2.0