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 2014-2019

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