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December 2016 Texas Medicaid Provider Procedures Manual

Section 6: Claims Filing : 6.2 TMHP Electronic Claims Submission : 6.2.5 Modifier Requirements for TOS Assignment : Technical Components
For technical components of laboratory, radiology, or radiation therapy procedures, use modifier TC. Using this modifier results in TOS T being assigned to the procedure.
Outpatient hospitals do not include the TC modifier when they provide technical components of lab and radiology services. These services automatically have TOS 4 or 5 assigned and are subject to the facility’s interim reimbursement rate or the clinical lab rate.

Texas Medicaid & Healthcare Partnership
CPT only copyright 2014 American Medical Association. All rights reserved.