https://www.caresource.com/providers/tools-resources/updates-announcements/past/
...PY-0224 Thyroid Testing Payment Policy 03/31/2017 PY-0181, PY-0185, PY-0187 Transthoracic Echocardiogram Payment Policy 03/31/2017 PY-0169, PY-0174, PY-0173 Sleep Studies Payment Policy 03/31/2017 PY-0163, PY-0167, PY-0168 Non-Invasive Vascular Studies Payment Policy...