• Integration Overview
  • Consumer Payments
  • Consumer Billing
  • Healthcare
  • Disbursement Hub

Consumer Payments

  • Consumer Initiated Payments
  • Staff Initiated Payments
  • Payment Plans
  • Tokenization
  • Automatic Payment Collection
    • Automatic Payments Enrollment
    • Automatic Payments Trigger
      • Balance File Specification
      • Balance File Acknowledgement
    • Auto Payment Collect Batch Enrollment
      • Batch Unenrollment
    • Enhanced Enrollment File
    • Automatic Payments Sign Up File
  • Receipts
  • Voids
  • Refunds
  • Payment Posting
    • Polling Payment Response
    • Posting File Formats
      • EOD Posting File 1.4
      • EOD Posting File 1.3
      • EOD Posting File 1.2.2
      • EOD Posting File 1.2/1.2 CR
      • EOD Posting File 1.2.1
      • EOD Posting File 1.1/1.1 CR
      • EOD Posting File 1.1.1
      • EOD Posting File 1.0
      • EOD Posting File X12 835 1.0
      • EOD Posting File X12 835 2.0
      • EOD Posting File Lockbox A
      • EOD Posting File Lockbox A1.1
      • EOD Posting File Lockbox A v2
      • EOD Posting File Lockbox B
      • EOD Posting File Lockbox C
      • EOD Posting File Lockbox C v2
      • EOD Posting File Lockbox D
      • EOD Posting File Lockbox E
      • EOD Posting File Lockbox F
      • EOD Posting File Lockbox G
      • EOD Posting File Lockbox G v2
      • EOD Posting File LockBox H
      • EOD Posting File Lockbox I v1
      • EOD Posting File Lockbox L
      • Member Payments EOD Posting File v1.0
      • Payment Deposit File 1.0
      • Payment Deposit File 2.0
    • Webhook
    • Payment Interface Testing
    • Payment Transaction Import
      • Payment Transaction Import Data Fields
      • IDF Acknowledgement Data Fields
  • PCI Compliance
    • Recommended Options for PCI Compliance
    • Software Development Impact of PCI Compliance
    • Hosting Impact of PCI Compliance
    • P2PE Devices
  • Consumer Profile
    • Consumer Experience
    • Staff Experience
  • Digital Wallet
  • Google Pay
  • Member Payments
    • Manage Member Payment Methods
    • New Member Payment
    • View Member Payment History
    • View Member Payment Receipt
    • Member Payments Webhook
  • Member Effectuation
  • Member IDF Import v1.1
  • User Management
  • Request Sandbox API Key
  • Contact
  • Terms of Use
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InstaMed Developer Portal
  • Integration Overview
  • Consumer Payments
  • Consumer Billing
  • Healthcare
  • Disbursement Hub
  • Consumer Initiated
    • In App Apple Pay
  • Staff Initiated
  • Payment Plans
  • Tokenization
  • Automatic Payment Collection
    • Enrollment
    • Trigger
      • Balance File Specification
      • Balance File Acknowledgement
    • Batch Enrollment
      • Batch Unenrollment
    • Enhanced Enrollment File
    • Sign Up File
  • Receipts
  • Voids
  • Refunds
  • Payment Posting
    • Polling Payment Response
    • Posting File Formats
      • EOD Posting File 1.4
      • EOD Posting File 1.3
      • EOD Posting File 1.2.2
      • EOD Posting File 1.2/1.2 CR
      • EOD Posting File 1.2.1
      • EOD Posting File 1.1/1.1 CR
      • EOD Posting File 1.1.1
      • EOD Posting File 1.0
      • EOD Posting File X12 835 1.0
      • EOD Posting File X12 835 2.0
      • EOD Posting File Lockbox A
      • EOD Posting File Lockbox A1.1
      • EOD Posting File Lockbox A v2
      • EOD Posting File Lockbox B
      • EOD Posting File Lockbox C
      • EOD Posting File Lockbox C v2
      • EOD Posting File Lockbox D
      • EOD Posting File Lockbox E
      • EOD Posting File Lockbox F
      • EOD Posting File Lockbox G
      • EOD Posting File Lockbox G v2
      • EOD Posting File LockBox H
      • EOD Posting File Lockbox I v1
      • EOD Posting File Lockbox L
      • Member Payments EOD Posting File v1.0
      • Payment Deposit File 1.0
      • Payment Deposit File 2.0
    • Webhook
    • Payment Interface Testing
    • Payment Transaction Import
      • Payment Transaction Import Data Fields
      • IDF Acknowledgement Data Fields
  • PCI Compliance
    • Recommended Options
    • Software Development Impact
    • Hosting Impact
    • P2PE Devices
  • Consumer Profile
    • Consumer Experience
    • Staff Experience
  • Digital Wallet
  • Google Pay
  • Member Payments
    • Manage Payment Methods
    • New Payment
    • View Payment History
    • View Receipt
    • Webhook
  • Member Effectuation
  • Member IDF Import v1.1
  • User Management
  • Request Sandbox API Key
  • Contact
  • Terms of Use

EOD Posting File Lockbox B

Lockbox Version B of the EOD Posting File is known to work with several existing Patient Accounts Receivable systems.  Contact your Implementations Manager for further information.

File Name Standard: <M|K> + “_” + CCYYMMDD + <Account/Group ID/Outlet> + “.pmt”

  • File can be generated by Account, End of Day File Group or Outlet.

File Format: Fixed Position, Fixed Width

FieldLocationTypeDescriptionComments 
Header
Record Type1-2AN"00" = Header Record.
Agency Code3-8ANSpace FilledBlank.
Agency Fee9-18NUMRight Justified/Space FilledBlank.
Total Number of Payments19-24NUMRight Justified/Zero Filled
Total Payment Amounts25-34NUMRight Justified/Zero FilledNo Decimal Point"
Patient Payment Transaction Code35-39ANP0000 or P.
Total Number of Adjustments40-45NUMZero FilledAll Zeros.
Total Adjustment Amount46-55NUMZero FilledAll Zeros.
Patient Adjustment transaction Code56-60ANSpace FilledBlank.
Filler61-250ANSpace FilledBlank.
Transaction Record
Record Type1-2ANConstant Value = "01".
Patient Account Number3-12ANRight Justified/Zero FilledIf Patient Account Number is greater than 10 characters, the last 10 characters are used.
Facility Indicator13ANUpper CaseFirst character of the Patient Account Number ("K," "M" or blank).
Patient last Name14-28ANRight Justified/Zero Filled
Patient First Name29-40ANRight Justified/Zero Filled
Patient Middle Initial41ANRight Justified/Zero Filled Upper Case
Transaction Type42AN"Payment = "P" No Adjustments.
DT Paid43-48DTMMDDYYBusiness date of transaction.
Payment Amount Indicator49AN"Positive = "0" Negative = "-"."
Payment Amount50-59NUMRight Justified/Zero Filled No Decimal Point
Payment Type60ANCard = "C" All other transaction types = "A".
Credit Card or Bank Account Owner Name61-100ANRight Justified/Zero FilledCard Holder Name for card transactions and Bank Account Holder Name for check transactions.
Credit Card Type101-125NUMRight Justified/Zero FilledFor card transactions only: "AMEX," "VISA," "MASTERCARD," "DISCOVER" or "OTHER".
Credit Card or Bank Account Number (last 4 digits)126-129NUMRight Justified/Zero FilledThe last 4 digits of the Card Number for card transactions. If Field 11 = "A," this is the last 4 digits of the Bank Account.
Confirmation Code130-159ANRight Justified/Zero FilledAuthorization Number for card and check transactions.
Filler160-250ANSpace FilledBlank.

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Talk With an InstaMed Expert
  • Request Sandbox API Key
  • Contact
  • Terms of Use

InstaMed is a wholly owned subsidiary and is a registered MSP/ISO of JPMorgan Chase Bank, N.A. Additionally, InstaMed is a registered ISO of Wells Fargo Bank, N.A., Concord, CA; a registered ISO of U.S. Bank, N.A.; and a registered MSP/ISO of Elavon, Inc. Georgia.

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