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Frequently Asked Questions

Claims Data Submitters Group

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Previously known as the Payer User Group (PUG)


1/23/2026 - Annual Override: Action Required from Data Submitters by 2/28/26

Effective February 3rd, validation overrides will be reset in the MHDO Payer Data Portal. The purpose of the upcoming portal changes and activities is to evaluate 2025 data against all validation rules by resetting all existing Profile and Exemption Level validation rule overrides. These updates will ensure the accuracy and quality of registration and validation information within the MHDO Payer Data Portal. Here are the Detailed instructions.
NOTE: Data submitted after close of business on January 31st will not be validated until February 3rd.

1/23/2026 - Annual Registration Updates Due by 2/28/26

Starting February 3rd, administrative users are required to update their registration information--including contacts, company summary, payer details and users (permissions)--in the MHDO Payer Data Portal. Here are the Detailed instructions. Annual registration updates must be completed between February 3rd and February 28th. Although required annually, it is strongly recommended that administrators review and update the information as needed to ensure that communication with payers remains targeted and timely.

1/24/2025 - Annual Override: Action Required from Data Submitters by 2/28/25

Effective February 3rd, validation overrides will be reset in the MHDO Payer Data Portal. The purpose of the upcoming portal changes and activities is to evaluate 2025 data against all validation rules by resetting all existing Profile and Exemption Level validation rule overrides. These updates will ensure the accuracy and quality of registration and validation information within the MHDO Payer Data Portal. Detailed instructions are here.

NOTE: Data submitted after close of business on January 31st will not be validated until February 4th.

1/24/2025 - Annual Registration Updates Due by 2/28/25

Starting February 4th, administrative users are required to update their registration information--including contacts, company summary, payer details and users (permissions)--in the MHDO Payer Data Portal. Detailed instructions are here. Annual registration updates must be completed between February 4th and February 28th. Although required annually, it is strongly recommended that administrators review and update the information as needed to ensure that communication with payers remains targeted and timely.

12/9/24 - Testing Begins Today

Testing of Chapter 243 new file layout specifications and validation rule changes begins Monday, December 9th in the MHDO Payer Portal Test Site. See these payer instructions and this list of validation rule updates. Below are a few key reminders.

  1. Chapter 243 - Uniform Reporting System for Health Care Claims Data Sets was revised and will go into effect 2/1/2025 for January 2025 data.
  2. The recording of the webinar held on July 11th regarding the upcoming changes is available
  3. Once testing begins the Frequently Asked Questions (FAQs) within the MHDO Payer Portal will be updated periodically with questions related to Chapter 243 changes.
  4. See the timeline below for testing and implementation of the changes.
Task Start Date End Date
Payer Testing of Chapter 243 and validation rule changes in Payer Portal Test Site 12/9/24 1/10/25
Instructions regarding annual registration updates will be emailed 1/23/25 1/27/25
Last day files for any period will be accepted in the old Chapter 243 format 1/31/25 1/31/25
Files submitted during this period must be in the new format and will be held until and processed on 2/4/25 2/1/25 2/3/25
Submissions of files in the new format begins (January 2025 data) - Annual override reset 2/4/25 2/4/25
Annual registration information updates are due 2/28/25 2/28/25
January 2025 data files are due in the new format 2/28/25 2/28/25

It was brought to our attention by several payors as they prepare their systems for the new reporting requirements defined in 90-590 Chapter 243, Uniform Reporting System for Health Care Claims Data Sets (effective for January 2025 data submissions), that clarifying language would be helpful in the following areas:

  1. (a) Payment Record, pp. 4, 5
  2. ME119, p. 28
  3. MC068, p. 39
  4. MC333, p. 59
  5. MC334, p. 59, 60
  6. MC335, p. 60
  7. PC017, p. 76
  8. PC032, p. 77, 78

As requested, we have added clarifying language to the items listed above in the version of the rule provided here. All new requirements can be identified in track changes and the new clarifying language is also in track changes highlighted in blue. A note has been included that the Clarifying language has been added since the adoption of the changes in December 2023, or June 2024, at the request of the submitters. When Chapter 243 is reopened for proposed changes, we will incorporate the clarifying language.

November 12, 2024:

It was brought to our attention by several payors as they prepare their systems for the new reporting requirements defined in 90-590 Chapter 247, Uniform Reporting System for Non-Claims Based Payments and Other Supplemental Health Care Data Sets, that the numbering scheme for data elements in Section 2. B, File Type NC, and File Type AC would be more efficient if MHDO retained the previous numbering version. We have made these revisions in Chapter 247 and can be found here. All previously approved requirements are red in Track Changes, and the new revisions to the numbering scheme are in orange. Notes have been added at the end of the NC and AC sections regarding these technical corrections made after formal adoption and will be incorporated into the rule when it is reopened for revision.

October 22, 2024:

It was brought to our attention by several payors as they prepare their systems for the new reporting requirements defined in 90-590 Chapter 243, Uniform Reporting System for Health Care Claims Data Sets (effective for January 2025 data submissions), that clarifying language would be helpful in the following areas:

  1. (a) Payment Record, pp. 4, 5
  2. ME119, p. 28
  3. MC068, p. 39
  4. MC333, p. 59
  5. MC334, p. 59, 60
  6. MC335, p. 60
  7. PC017, p. 76
  8. PC032, p. 77, 78

As requested, we have added clarifying language to the items listed above in the version of the rule provided here. All new requirements can be identified in track changes and the new clarifying language is also in track changes highlighted in blue. A note has been included that the Clarifying language has been added since the adoption of the changes in December 2023, or June 2024, at the request of the submitters. When Chapter 243 is reopened for proposed changes, we will incorporate the clarifying language.

July 11th Webinar Recording and Deck Available

The deck for the 7/11/24 webinar is available. Also the recording can be found on YouTube here: https://youtu.be/Ms1szW-DnoI?si=tMxGNW4zBv4tZJyc.

Informational Webinar July 11th at 1:00

The Maine Health Data Organization (MHDO) will host a webinar on Thursday, July 11th at 1:00 pm EST. The purpose of this webinar is to review changes to 90-590 Chapter 243, Uniform Reporting System for Health Care Claims Data Sets, and Chapter 247, Uniform Reporting System for Non-Claims Based Payments, and Other Supplemental Health Care Data Sets, that the MHDO board of directors adopted in December of 2023 and in early June 2024. These changes will go into effect January 2025. The documentation that incorporates all the changes to Chapter 243 (the changes approved in December 2023 and in June 2024) will be sent to you via e-mail prior to the webinar. In the interim, the changes that were adopted in Chapter 247 and in Chapter 243 (both the December and June changes) can be found on the MHDO Statutes and Rules page along with the final updated Rules documentation.
To attend this webinar, please register via this link: https://us06web.zoom.us/meeting/register/tZUpcOCsqTwsGdOMrTyGVlAMgBUIqgeTs6mf

Below is a summary of key changes, which will be discussed in further detail during the webinar.

Highlight of Key Changes to Chapter 243, Uniform Reporting System for Health Care Claims Data Sets

  • New fields have been added for the submission of de-identified substance use disorder (SUD) data, prescription drug rebate data, and additional dental claims information.
  • A new file structure has been added for the submission of capitated payment data (CF).
  • Modifications to fields in the medical claims file have been made to better account for the payment arrangement type at the claim level.
  • Removed obsolete requirements, definitions, and sources.

Highlight of Key Changes to Chapter 247, Uniform Reporting System for Non-Claims Based Payments and Other Supplemental Health Care Data Set/

  • New data fields have been added as well as revisions to other fields to ensure collection of complete and accurate aggregated, claims-based substance use disorder (SUD) payment data and non-claims-based prescription drug rebate data.

If there are people in your organization who should be aware of this webinar and information, please email mhdohelp@hsri.org with the updated contact information and we will reach out to them. Note: A recording of the webinar will be posted here for reference.

Postings prior to July 2024 can be found on our Historical Claims Data Submitters Group page