< Back to Data Inventory

Medicaid Analytic Extract (MAX) Files

Medicaid

Description

Our Medicaid Analytic Extract (MAX) files have the following data on the health services provided to individuals enrolled in the Medicaid program during a calendar year:

  • beneficiary demographics;
  • diagnosis codes;
  • drug codes;
  • eligibility status;
  • plan enrollment;
  • procedure codes;
  • processing codes;
  • provider characteristics;
  • service costs; and
  • service dates.

To organize this service information, CMS groups Medicaid data into five main service categories or "settings"–namely, Inpatient (IP), Long-Term Care (LT), Other Services (OT), Personal Summary (PS), and Prescription Drug (RX).

Variables Summary

The table below lists variable categories for and some key variables in Medicaid Analytic Extract (MAX) data. For a comprehensive list of variables, review the MAX data dictionary.

Costs

Beneficiary Payment Amount, Claim Payment Amount, Medicare Coinsurance Amount, Medicare Copay Amount, Medicaid Payment Amount, Provider Payment Amount

Dates

Admission Date, Beginning Date of Service, Ending Date of Service, Payment Date

Demographics

Age, Beneficiary Identification Number, Gender, Residential Zip Code

Diagnoses

Claim Diagnosis Codes (including International Classification of Diseases (ICD)-9 and ICD-10), Claim Diagnosis Version Code, Principal Diagnosis Code

Drugs

Revenue Center National Drug Codes (NDCs)

Eligibility & Enrollment

Dual Medicare-Medicaid Eligibility, Eligibility Category, Monthly Enrollment Status, Reasons for Entitlement

Procedures, Services & Treatments

Healthcare Common Procedure Coding System (HCPCS) Codes, HCPCS Modifiers, Revenue Center Codes based on Common Procedure Terminology (CPT)

Processing

Adjustment Code, Delivery Code

Provider

Physician Specialty Code, Place of Service, Provider Type/Facility Type

Years Available

1999 - 2012

Data Dictionary Link

Undergoing Updates

NIA Surveys Offering MAX

HRS, PT, WLS

NIA Surveys Not Offering MAX

BLSA, CE, HABC, LLFS, NHAS, NHATS, NLTCS, NSHAP, PSAD, PSID, RADC, UAS, UFOVT

Additional Resources