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:
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
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