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Statute and Rules

MHDO's governing statute is Title 22, Chapter 1683.

The specifc rule and chapter of the Maine Rule Chapters for Independent Agencies , which MHDO falls under is Rule 90 590.

Chapters of Rule 90 590

Important Note: These are not "official" state rules in the sense that they can be used before a court. Certified copies of rule chapters are available from the Administrative Procedure Act (APA) office .

Current Adopted Rules

Chapter Title
Chapter 10 Determination of Assessments - (routine technical)
Chapter 50 Prices For Data Sets, Fees for Programming and Report Generation, Duplication Rates - (routine technical)
Chapter 100 Enforcement Procedures - (major substantive) (provisionally adopted 12/4/25)
Chapter 120 Release of Data to the Public - (major substantive)
Chapter 125 Health Care Information That Directly Identifies an Individual - (routine technical)
Chapter 241 Uniform Reporting System for Hospital Inpatient Data Sets and Hospital Outpatient Data Sets (routine technical) - Recently Proposed
Chapter 243 Uniform Reporting System for Health Care Claims Data Sets - (routine technical) - Recently Proposed
Chapter 247 Uniform Reporting System for Non-Claims Based Payments and Other Supplemental Health Care Data (routine technical) - Recently Proposed
Chapter 270 Uniform Reporting System for Health Care Quality Data Sets - (major substantive)
Chapter 300 Uniform Reporting System for Hospital Financial Data - (routine technical) - Recently Proposed
Chapter 340 Uniform Reporting System for Reporting 340B Drug Program Data Sets - (routine technical) - Adopted Effective 3/8/2026
Chapter 570 Uniform Reporting System for Prescription Drug Price Data Sets - (major substantive)
Chapter 630 Uniform System for Reporting Baseline Information and Restructuring Occurrences For Maine Hospitals and Parent Entities - (routine technical)
Chapter 730 Interagency Reporting of Cancer-Incidence Registry and Vital Statistics Data - (routine technical)
Chapter 800 Uniform Reporting of the Cost of Insulin - (major substantive) - New Rule Adopted Effective 5/15/2025
Chapter 841 Uniform Reporting System for Hospital Price Transparency - (routine technical) - New Rule Adopted Effective 3/8/2026

Recently Proposed Rules

Rule Chapter 100 - Enforcement Procedures - Provisionally Adopted - (major substantive)
This rule was provisionally adopted by the Board 12/4/25. It will not be final until the legislature reviews and approves this rule for final adoption.

Rule Chapter 241 - Uniform Reporting System for Hospital Inpatient Data Sets and Hospital Outpatient Data Sets - (Routine Techical)

Rule Chapter 243 - Uniform Reporting System for Health Care Claims Data Sets - (routine technical)

Rule Chapter 247 - Uniform Reporting System for Non-Claims Based Payments and Other Supplemental Health Care Data Sets - (routine technical)

Rule Chapter 300 - Uniform Reporting System for Hospital Financial Data - (routine technical)

Recently Adopted Rules

Notice: It is the responsibility of the data submitter to review adopted rules in their entirety.

Rule Chapter 340: Uniform Reporting System for Reporting 340B Drug Program Data Sets (Routine Technical)

This rule was finally adopted and is effective 3/8/2026.
Listed below, for your reference are the proposed rule and the basis statement.

New Rule: Chapter 800 - Uniform Reporting of Wholesale Acquisition Costs for Insulin (Major Substantive)
This rule was finally adopted and is effective 5/15/2025.
Listed below, for your reference are the proposed rule and the basis statement.

New Rule: Chapter 841 - Uniform Reporting System for Hospital Price Transparency (Routine Technical)

This rule was finally adopted and is effective 3/8/2026.
Listed below, for your reference are the proposed rule and the basis statement.