TAF Other Services File

The Medicaid and CHIP TAF (T-MSIS Analytic File) Other Services (OT) file contains records for a variety of Medicaid services, including physician services, outpatient hospital institutional utilization, lab/X-ray, clinic services, home health, hospice and premium payments. Records include fee-for-service (FFS) claims, managed care encounters and supplemental payments for Medicaid, Medicaid-expansion CHIP and separate CHIP.

What does this file include? (variable highlights)

  • As appropriate for the type of service on the record:
    • Diagnosis codes
    • Procedure code
  • Charges and payments
  • Provider identifiers

Special considerations

  • Encounter data reporting may vary by state, year and eligibility group.
  • For resources on Medicaid TAF data quality, click here.

Availability of this file

Availability:
CY 2014-2018
CY 2019 Preliminary

For calendar years 2014 and 2015, the CMS Medicaid research files will be in either the MAX or TAF format depending on when the state transitioned to T-MSIS data submissions. 

Please see the state and year availability table: 

For earlier versions of Medicaid data, please refer to the MAX data file page.

See what is in this file