Improved Pack: Built-in Identifier Reference
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Immuta comes with a pack of built-in identifiers that look for common data types. And since the first pack was released, improvements have been made. These improvements are now available in this improved pack, which includes some unchanged identifiers, but also many new and improved versions of legacy identifiers. These identifiers were written by Immuta's research and development team and cannot be deleted or edited by users. However, users can add these built-in identifiers to their own frameworks and edit the tags applied by them.
Identifiers must match at least 90% of the sampled data to be tagged, with three exceptions noted below. See the How competitive pattern analysis works guide for more information about sampling and thresholds.
Identifier descriptions and default resulting tags
ARGENTINA_DNI_NUMBER
Detects strings consistent with Argentina's National Identity (DNI) Number. Requires an eight-digit number with periods after the second and fifth digits.
Discovered.Country.Argentina
Discovered.Entity.DNI Number
AUSTRALIA_MEDICARE_NUMBER
Detects numeric strings consistent with Australian Medicare Number. Requires a ten- or eleven-digit number. The starting digit must be between 2 and 6, inclusive. Spaces must be placed between the fourth and fifth and ninth and tenth digits. Optional eleventh digit separated by a / or a space.
Discovered.Country.Australia
Discovered.Entity.Medicare Number
AUSTRALIA_PASSPORT
Detects strings consistent with the Australian Passport number. A string of 8 or 9 characters is required, with a starting upper-case character (A, B, C, D, E, F, G, H, J, L, M, N, R, X, or U) or a two-character alphabetic prefix (P followed by A, B, C, D, E, F, U, W, X, or Z) followed by seven numeric digits.
Discovered.Country.Australia
Discovered.Entity.Passport
BELGIUM_NATIONAL_ID_CARD_NUMBER
Detects numeric strings consistent with Belgium's National ID card. Requires a twelve-digit number with a required hyphen (-) between the third and fourth digits. Allows for an optional hyphen between the tenth and eleventh digits.
Discovered.Country.Belgium
Discovered.Entity.National ID Card Number
BELGIUM_NATIONAL_REGISTRATION_NUMBER New
Detects numeric strings consistent with Belgium's National Registration Number. Requires 11 characters in the form YY.MM.DD-NNN-XX, where YY.MM.DD corresponds to birthdate, NNN is a number, and XX is a checksum digit.
Discovered.Country.BelgiumDiscovered.Entity.National Registration Number
BITCOIN_INVOICE_ADDRESS
Detects strings consistent with the following Bitcoin Invoice Address formats: P2PKH, P2SH, and Bech32.
Discovered.Entity.CRYPTO
BRAZIL_CPF_NUMBER
Detects a numeric string consistent with Brazil's CPF (Cadastro de Pessoas F\u00edsica) number. An eleven-digit numeric string with optional non-numeric separators (., -, or space) after the third, sixth, and ninth digits.
Discovered.Country.Brazil
Discovered.Entity.CPF Number
CANADA_BC_PHN
Detects numeric strings consistent with British Columbia's Personal Health Number (PHN). Requires a ten-digit numeric string with hyphens (-) or spaces after the fourth and seventh digits.
Discovered.Country.Canada
Discovered.Entity.British Columbia Health Network Number
CANADA_OHIP
Detects alphanumeric strings consistent with Ontario's Health Insurance Plan (OHIP). Requires a twelve-digit capitalized alphanumeric code. Optional hyphens (-) or spaces can appear after the fourth, seventh, and tenth digits.
Discovered.Country.Canada
Discovered.Entity.Ontario Health Insurance Number
CANADA_PASSPORT
Detects strings consistent with the Canadian Passport Number format. Allows for two formats. One format requires two capital letters followed by six digits. The other format requires one letter, followed by six digits, and ends in two letters.
Discovered.Country.Canada
Discovered.Entity.Passport
CANADA_QUEBEC_HIN
Detects alphanumeric strings consistent with Quebec's Health Insurance Number (HIN). Requires four alphabetic characters followed by an optional space or hyphen (-), and then eight digits with an optional hyphen or space after the fourth digit.
Discovered.Country.Canada
Discovered.Entity.Quebec Health Insurance Number
COUNTRY
Detects strings consistent with the ISO 3166 format for countries and high population US and Canadian cities.
Discovered.Entity.Location
CREDIT_CARD_NUMBER
Detects strings consistent with a credit card number with prefixes matching major credit card companies.
Discovered.Entity.Credit Card Number
DATE
Detects strings consistent with dates in or data type: date, date+time, or timestamp.
Discovered.Entity.Date
DOMAIN_NAME
Detects strings that begin with a letter and are no more than 225 characters. A full domain can have one to four labels separated by a .. Each label can be one to 63 alphanumeric characters long. And each label after the first must be in the dictionary list of possible labels.
Discovered.Entity.Domain Name
EMAIL_ADDRESS
Detect strings consistent with an email address. Usernames are required to be fewer than 255 characters, follow by @, a domain of fewer than 255 characters, and a top level domain of between 2 and 20 characters.
Discovered.Entity.Electronic Mail Address
ETHNIC_GROUP
Detects strings consistent with the US Census . This case-insensitive identifier allows for dashes to be used in place of spaces.
Discovered.Entity.Ethnic Group
FDA_CODE
Detects a string consistent with a drug or ingredient registered with the Food and Drug Administration (FDA). Must start with between 4 to 5 digits, followed by a hyphen, followed by 3 to 4 digits, followed by a hyphen, and finishing with 1 to 2 digits.
Discovered.Country.US
Discovered.Entity.FDA Code
FRANCE_NIR
Detects numeric strings consistent with France's National ID number (Numéro d'Inscription au Répertoire). Requires a fifteen-digit numeric string. An optional hyphen (-) or space can appear after the 13th digit.
Discovered.Country.France
Discovered.Entity.NIR
FRANCE_PASSPORT
Detects alphanumeric strings consistent with the French Passport number. Requires two numbers followed by two upper-case letters and ends with five digits.
Discovered.Country.France
Discovered.Entity.Passport
GENDER
Detects strings consistent with and common abbreviations.
Discovered.Entity.Gender
GERMANY_DRIVERS_LICENSE_NUMBER
Detects alphanumeric strings consistent with Germany's driver's license number. Requires an eleven-element string of the format CDDCCCCCCDC where C is an upper-case Latin letter and D is a numeric digit.
Discovered.Country.Germany
Discovered.Entity.Drivers License Number
GREAT_BRITAIN_DRIVERS_LICENSE
Detects alphanumeric strings consistent with the United Kingdom's driver's license number. Requires either a 16- or 18-character string. The first five characters represent the driver's surname, padded with 9s, followed by a single digit for decade of birth, two digits for month of birth (incremented by 50 for female drivers), two digits for day of birth, one digit for year of birth, two letters, an arbitrary digit, and two digits. Two additional digits can be present for each license issuance.
Discovered.Country.UK
Discovered.Entity.Drivers License Number
IBAN_CODE
Detects strings consistent with an International Bank Account Number (IBAN). Requires a string in the form ZZ-DD-BBAN, where ZZ is a country code, DD is two numeric digits, and BBAN is a Basic Bank Account Number comprising two to seven groups of three to five uppercase alphanumeric characters, optionally separated by space or dash, and optionally followed by a final group of length one to three. Identifier is case sensitive.
Discovered.Entity.IBAN Code
ICD10_CODE
Detects strings consistent with codes from the International Statistical Classification of Diseases and Related Health Problems (ICD), as drawn from the Clinical Modification lexicon from the year 2025.
Discovered.Entity.ICD10 Code
ICD_10_PCS New
Detects strings consistent with procedure codes from the International Statistical Classification of Diseases and Related Health Problems (ICD), as drawn from the Clinical Modification lexicon from 2020.
Discovered.Entity.ICD10 Procedure Code
IMEI_HARDWARE_ID
Detects strings consistent with an International Mobile Equipment Identity (IMEI) number. Must contain 15 or 16 digits with optional hyphens or spaces after the 2nd, 8th, and 14th digits.
Discovered.Entity.IMEI
IP_ADDRESS
Detects IP Addresses in the V4 and V6 formats.
Discovered.Entity.IP Address
MAC_ADDRESS
Detects strings consistent with a Media Access Control (MAC) address. Must contain twelve hexadecimal digits, with every two digits separated by a colon or hyphen.
Discovered.Entity.MAC Address
NAICS_CODE New
Detects strings consistent with North American Industry Classification System (NAICS). A two-digit number represents a basic sector and each preceding digit represents a more specific sub sector with a maximum of six digits.
Discovered.Entity.NAICS Code
PERSON_NAME
Detects strings consistent with a dictionary of people's names. The name dictionary is US-centric with person names drawn from the US Social Security database, covering 80% of the U.S. population. This identifier must match at least 45% of the data sampled.
Discovered.Entity.Person Name
PHONE_NUMBER
Detects strings consistent with telephone numbers. Primarily looks for strings consistent with the United States telephone numbers naming convention. Optional area codes allowed.
Discovered.Entity.Telephone Number
POSTAL_CODE
Detects strings consistent with a valid US Zip code with an optional +4 separated by a dash. Only valid five-digit zip codes are detected.
Discovered.Entity.Postal Code
SPAIN_NIF_NUMBER
Detects strings consistent with Spain's Tax Identification number. Requires a string with nine alphanumeric characters. Requires either eight digits followed by an optional hyphen or space and a single upper case letter or the initial character must be X, Y, or Z, followed by an optional dash or space, seven numeric digits, followed by an optional dash or space, and finally, by a single uppercase letter.
Discovered.Country.Spain
Discovered.Entity.NIF Number
SPAIN_PASSPORT
Detects string consistent with Spain's Passport Number. Requires a eight- or nine-character string starting with either two or three upper-case letters followed by six numeric digits.
Discovered.Country.Spain
Discovered.Entity.Passport
SWIFT_CODE
Detects alphanumeric strings consistent with a SWIFT code (or Bank Identifier Code (BIC)) format. Requires values consistent with AAAAAACCDDD, where A is an uppercase letter, C is an uppercase letter or numeric digit, and DDD is an optional three-character sequence of uppercase letters or numeric digits.
Discovered.Entity.Swift Code
TIME
Detects strings consistent with times in various formats or data type: time. If date is included in the time, it will not match. Use the DATE identifier instead.
Discovered.Entity.Date
UK_NATIONAL_INSURANCE_NUMBER
Detects alphanumeric strings consistent with the United Kingdom's National Insurance Number. Requires a nine-character string. The first two digits must be uppercase letters, followed by an optional space, then six digits with optional spaces or hyphens (-) every two digits, ending with A, B, C, or D.
Discovered.Country.UK
Discovered.Entity.National Insurance Number
URL
Detects string consistent with a URL. String must begin with a common schema, followed a string and ending with a top level domain of no more than 128 alphanumeric characters.
Discovered.Entity.URL
US_DEA_NUMBER
Detects alphanumeric strings consistent a Drug Enforcement Administration (DEA) number is assigned to a health care provider. It must have a length of nine characters. The first two digits must be uppercase alphanumeric characters, and the last seven characters are numeric digits. The first character may not be I, N, O, Q, V, W, Y, or Z.
Discovered.Country.US
Discovered.Entity.DEA Number
US_EMPLOYER_IDENTIFICATION_NUMBER
Detects numeric string consistent United States Employer Identification Number (EIN). Strings must contain nine digits with a hyphen after the second digit.
Discovered.Country.US
Discovered.Entity.Employer ID Number
US_HEALTHCARE_NPI
Detects 10-digit numeric strings consistent with US National Provider Identifier (NPI). It must either start with 80840 followed by a 1 or 2, or it must begin with a 1 or 2.
Discovered.Country.US
Discovered.Entity.Healthcare NPI
US_PERSON_FULL_NAME New
Detects strings consistent with a person's {first name} space {last name}. Uses the same names from the PERSON_NAME identifier. This identifier must match at least 20% of the data sampled.
Discovered.Entity.Person Name
US_PREPARER_TAXPAYER_IDENTIFICATION_NUMBER
Detects strings consistent with a Preparer Taxpayer ID number. Strings must have nine characters, starting with a P that is followed by eight digits.
Discovered.Country.US
Discovered.Entity.Preparer Taxpayer ID Number
US_SOCIAL_SECURITY_NUMBER
Detects strings consistent with a US Social Security Number. Strings must contain nine digits and comprise three parts: the three left-most digits designating the area number, the middle two digits designating the group number, and the four right-most digits designating the serial number. For a column to be tagged, none of these parts can contain all zeroes, and area numbers must not be 666 or in the range of 900-999.
Discovered.Country.US
Discovered.Entity.Social Security Number
US_STATE
Detects strings consistent with either a full name or two-letter abbreviation of a US state or territory.
Discovered.Country.US
Discovered.Entity.State
US_STREET_ADDRESS
Detects strings consistent with U.S. street addresses. Requires the street naming convention of {address_number} {street_name} {unit number (optional)} with an optional road suffix after the street name. The maximum length for street name is 20 alphanumeric characters. This identifier must match at least 80% of the data sampled.
VEHICLE_IDENTIFICATION_NUMBER
Detects strings consistent with Vehicle Identification Numbers. A valid World Manufacturer Identifier is required.
Discovered.Country.US
Discovered.Entity.Vehicle Identifier or Serial Number
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