Texas Insurance Code - INS § 1360.004. Coverage Required

(a) A health benefit plan that provides coverage for medically necessary diagnostic or surgical treatment of conditions affecting skeletal joints must provide comparable coverage for diagnostic or surgical treatment of conditions affecting the temporomandibular joint if the treatment is medically necessary as a result of:

(b) Coverage required under this section may be subject to any provision in the health benefit plan that is generally applicable to surgical treatment, including a requirement for precertification of coverage.