MA APCD Data Submissions

Overview

CHIA collects health care information from private and public health care payers, including third-party administrators. This information includes:

Medical claims
Pharmacy claims
Dental claims
Member eligibility
Provider
Product
Benefit plan control totals

Submission Deadline

All data is collected monthly, except for the product file which is collected quarterly

Reporting Requirements

Submitters must follow the file submission guides for instructions on data file formats, data element definitions, code tables, and data quality standards.

Submission Resources (2026)

Member Simplified File Submission Guide Member Eligibility File Submission Guide Medical Claim File Submission Guide Pharmacy Claim File Submission Guide Dental Claim File Submission Guide Product File Submission Guide Provider File Submission Guide Benefit Plan Control Total File Submission Guide CDC Ethnicity Codes

Registration Instructions

New users must register to submit data via CHIA Submissions.

Complete User Agreement

Complete and sign the CHIA Data Reporter User Agreement (DRUA) after reviewing the DRUA instructions. Note that each individual user for an organization must complete the form.

Submit User Agreement

Submit the completed Data Reporter User Agreement to DL-Data-Submitter-HelpDesk@chiamass.gov. You will be notified when your account is ready to use.

Archived Documentation

MA APCD TAG Webinars

Find information about the Massachusetts All Payer Claims Database Technical Advisory Group, including upcoming webinars, past presentations, and resources.

CHIA Regulations (CMR)

Access CHIA's regulations governing health care data collection and reporting in Massachusetts, including current rules, administrative bulletins, and hearings.

MA APCD

Learn about the Massachusetts All Payer Claims Database, including what data is collected, how to request access, and how to submit claims data to CHIA.