• 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 D

Lockbox Version D 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 ID/Outlet> + “_” + CCYYMMDD + “.txt”

  • File can be generated by Account or Outlet.

File Format: Fixed Position, Fixed Width

FieldLocationTypeDescriptionComments
Record Type1NUMConstant Value = "1".
Priority Code2-3NUMConstant Value = "00".
Destination4-13NUMRight Justified/Space FilledInstaMed EMC ID.
Origin14-23ANRight Justified/Zero FilledConstant Value = "INSTAMED".
File Date24-29DTYYMMDDBusiness date of transactions.
File Time30-33NUMAll Zeros.
Lockbox Header
Record Type1NUMConstant Value = "2".
Priority Code2-3NUMConstant Value = "00".
Destination4-13NUMLeft Justified/Space FilledInstaMed EMC ID.
Origin14-23ANRight Justified/Zero FilledConstant Value = "INSTAMED".
Filler24-31ANAll Zeros.
Service Type Code32-34ANRight Justified/Zero FilledDefault = 400 unless configured.
Record Size35-37NUMConstant Value = "080".
Block Size38-41NUMConstant Value = "0080".
Format No Compress42NUMConstant Value = "1".
Batch Header
Record Type1NUMConstant Value = "5".
Batch Number2-5NUMSequence number starting at 0001.
Filler6-8ANAll Zeros.
Lockbox Number9-15ANAll Zeros.
Batch Date16-21DTYYMMDDBusiness date of transactions.
Company DDA22-36NUMAll Zeros.
Origin37-46ANRight Justified/Zero FilledConstant Value = INSTAMED.
Check and Invoice Record: 1
Record Type1NUMRight Justified/Zero FilledConstant Value = "6" for first record; all zeros for remaining records in batch.
Batch Number2-5NUMSequence number starting at 0001.
Item Number6-8NUMRight Justified/Zero FilledSequence number 1-999.
Lockbox Number9-15ANAll Zeros.
Payment Date16-21DTYYMMDDBusiness date of transaction.
Payment Account Number22-34NUMRight Justified/Zero FilledLast 4 digits of Card Number or Check DDA Number.
Check Routing Number35-44NUMRight Justified/Zero FilledUsed for check transactions only.
Payment Amount45-54NUMRight Justified/Zero Filled No Decimal PointTwo places assumed.
Payment Serial Number55-64ANRight Justified/Zero FilledAuthorization Number for card transactions, Check Number for check transactions.
Check and Invoice Record: 2
Record Type1NUMConstant Value = "4".
Batch Number2-5NUMSequence number starting at 0001.
Item Number6-8ANRight Justified/Zero FilledSequence number 1-999.
Overflow Type9ANConstant Value = "6".
Overflow Seq Number10-11NUMAll Zeros.
Last Overflow Flag12NUMAll Zeros.
Account Number13-27ANRight Justified/Zero FilledPatient Account Number.
Payment Amount28-37NUMRight Justified/Zero Filled No Decimal PointTwo places assumed.
Batch Trailer
Record Type1NUMConstant Value = "7".
Batch Number2-5NUMSequence number starting at 0001.
Filler6-8ANAll Zeros.
Lockbox Number9-15ANAll Zeros.
Batch Date16-21DTYYMMDDBusiness date of transactions.
Batch Record Count22-24NUMMaximum 999.
Batch Total Amount25-34NUMRight Justified/Zero Filled No Decimal Point
Lockbox Trailer
Record Type1ANConstant Value = "8".
Batch Number2-5ANAll Zeros.
Filler6-8ANAll Zeros.
Lockbox Number9-15ANAll Zeros.
Batch Date16-21DTYYMMDDBusiness date of transactions.
Lockbox Batch Count22-24NUMRight Justified/Zero Filled
Lockbox Total Amount25-34NUMRight Justified/Zero Filled No Decimal Point
File Trailer
Record Type1ANConstant Value = "9".
File Record Count2-7ANRight Justified/Zero FilledFile record count, includes Lockbox Header 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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