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  2. Current Procedural Terminology - Wikipedia

    en.wikipedia.org/wiki/Current_Procedural_Terminology

    It is necessary for most users of the CPT code (principally providers of services) to pay license fees for access to the code. [19] In the past, AMA offered a limited search of the CPT manual for personal, non-commercial use on its web site. [20] CPT codes can be looked up on the AAPC (American Academy of Professional Coders) website. [21]

  3. Payment card number - Wikipedia

    en.wikipedia.org/wiki/Payment_card_number

    Payment card numbers are composed of 8 to 19 digits, [1] The leading six or eight digits are the issuer identification number (IIN) sometimes referred to as the bank identification number (BIN). [2]: 33 [3] The remaining numbers, except the last digit, are the individual account identification number. The last digit is the Luhn check digit.

  4. ISO/IEC 7813 - Wikipedia

    en.wikipedia.org/wiki/ISO/IEC_7813

    Track 1 can store up to 79 alphanumeric characters. ISO 7813 specifies the following structure for track 1 data: [2] SS : Start sentinel "%" FC : Format code "B" (The format described here. Format "A" is reserved for proprietary use.) PAN : Payment card number 4400664987366029, up to 19 digits; FS : Field separator "^"

  5. What do the numbers on your credit card mean? - AOL

    www.aol.com/finance/numbers-credit-card-mean...

    Your actual account number may be up to 12 digits long, and it identifies you as the owner of the credit card account. Credit card numbers are assigned by the financial institution issuing the card.

  6. Address verification service - Wikipedia

    en.wikipedia.org/wiki/Address_verification_service

    Following a request from a merchant for an address verification, the credit card processor sends an AVS response code back to the merchant indicating the degree of address matching. The meaning of the codes vary between credit card processors. Merchants can use the AVS code to determine whether to accept or reject a credit card transaction.

  7. ABC Codes - Wikipedia

    en.wikipedia.org/wiki/ABC_Codes

    ABC Codes are five-digit alpha codes (e.g., AAAAA) used by licensed and non-licensed healthcare practitioners to supplement medical codes (e.g. CPT and HCPCS II) on standard electronic (e.g. American National Standards Institute, Accredited Standards Committee X12 N 837P healthcare claims and on standard paper claims (e.g., CMS 1500 Form) to describe services, remedies and/or supply items ...

  8. Check digit - Wikipedia

    en.wikipedia.org/wiki/Check_digit

    For instance, the UPC-A barcode for a box of tissues is "036000241457". The last digit is the check digit "7", and if the other numbers are correct then the check digit calculation must produce 7. Add the odd number digits: 0+6+0+2+1+5 = 14. Multiply the result by 3: 14 × 3 = 42. Add the even number digits: 3+0+0+4+4 = 11.

  9. Magnetic ink character recognition - Wikipedia

    en.wikipedia.org/wiki/Magnetic_ink_character...

    E-13B is a 14-character set, comprising the 10 decimal digits, and the following symbols: ⑆ (transit: used to delimit a bank code); ⑈ (on-us: used to delimit a customer account number); ⑇ (amount: used to delimit a transaction amount); ⑉ (dash: used to delimit parts of numbers—e.g., routing numbers or account numbers).