• 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 F

Lockbox Version F 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: <Account/Group/Outlet> + “_” + <Configurable Field> + “_” + <BusinessDate> + “.txt”

  • Date is the processing date of the detail transactions
  • File can be generated by Account, End of Day File Group or Outlet
  • The Configurable Field in the file name is optional and is blank by default

File Format: Fixed Position, Fixed Width, no Header record

Note: String values that are longer than the maximum column size are truncated. For example, the value “SMITH” in a four-character column is truncated to “SMIT.” This behavior applies to monetary amounts as well.

FieldLocationTypeDescriptionComments
Detail Record
Record Type (F1)1-2ANConstant Value = "P1".
Medical Record Number3-22ANLeft Justified/Space FilledRequired Source: MRN field on payment form.
Transaction Date23-30DTLeft Justified/Space FilledDate transaction is processed: YYYYMMDD.
Payment Amount31-40NUMRight Justified/Space Filled No Decimal Point
Guar Medical Record Number41-60ANLeft Justified/Space FilledAdditional Info 6.
Check Number61-75ANRight Justified/Space FilledPayment Method: "CREDITCARD," "ECHECK," "MANUAL" or "CASH" Check number is appended when applicable Ensure field has "MANUAL" and check number for Manual checks."
BAR Group Number76-80ANRight Justified/Zero FilledOptional if only 1 group is in scope. Source: Transaction Code field on payment form.
Additional Information81-100ANLeft Justified/Space FilledOptional Source: Additional Info 2 field on payment form.
Patient First Name101-120ANLeft Justified/Space FilledOptional.
Patient Last Name121-140ANLeft Justified/Space FilledOptional.
Invoice Number141-160ANLeft Justified/Space FilledOptional Source: Additional Info 1 or Invoice Number field on payment form.
Transaction ID161-192ANLeft Justified/Space FilledTransaction ID.
MST193-223ANLeft Justified/Space FilledOutlet ID.
Billing Area224-233ANLeft Justified/Zero FilledAdditional Info 3.
Location234-243ANLeft Justified/Zero FiledAdditional Info 4.
Provider244-253ANLeft Justified/Zero FilledAdditional Info 5.
Trailer Record
Record Type (T1)1-2AN"T1" ConstantOne per file.
Number of payments3-12NUMRight Justified/Zero FilledCount of P1 records.
Total Payments13-22NUMRight Justified/Zero FilledSum of payment amounts of all P1 records. Decimal point is assumed.
Total Records23-32NUMRight Justified/Zero FilledCount of all P1 and T1 records.

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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 U.S. Bank, N.A. and a registered MSP/ISO of Elavon, Inc., Georgia.

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