Texas TDI appeal rules and external review rights

This statute regulates medical necessity reviews in Texas. Under § 4201.002, any denial of a requested clinical treatment must be referred to an appropriate physician, dentist, or health care provider licensed in Texas of a matching or similar clinical specialty to determine medical necessity. Insurers cannot use general paper auditors or doctors of unrelated specialties to sustain utilization denials on appeal.

Texas operates strict prompt-payment laws for preferred provider benefit plans (§ 1301.103) and HMOs (§ 843.338). Insurers must pay or deny electronic clean claims within 30 days (or 45 days for non-electronic paper claims). If a carrier violates these deadlines, they are legally penalized with mandatory interest accruals, plus attorney fees if a collection action is initiated.

If your internal appeal is denied by a Texas-regulated insurer, you have the absolute right to escalate the dispute to an Independent Review Organization (IRO) through the TDI. The IRO acts as an unbiased third-party clinical panel. The review process is binding on the carrier, and insurers are legally prohibited from disregarding the clinical determinations issued by an IRO.

Texas's state-regulated IRO process above is unaffected and remains active. However, for ACA non-grandfathered fully-insured plans that rely on HHS's federal external review process rather than a state process (Texas is one of the states HealthCare.gov names as using it), that federal process is temporarily unavailable as of July 1, 2026, with HHS extending filing deadlines during the outage. Confirm which process applies to your plan before assuming a deadline has passed.