Appendix Table 2:

Current Procedural Terminology (CPT) codes for health care utilization

Radiology: 71010, 71015, 71020, 71021, 71022, 71023, 71030, 71034, 71035, 70450, 70460, 70470, 70490, 70491, 70492, 71260, 71270, 70552, 70553, 70540, 70542, 70543

Swallow study: 74210, 74220, 74230, 92610, 92611, 92612, 92614, 92615, 92616, 92617

Swallow therapy: 92526

Voice evaluation/therapy by speech pathology: 92503, 92506, 92507, 92508, 92520

Laryngoscopy: 31505, 31575,

Stroboscopy: 31579

Laryngeal surgery: 31300, 31320, 31360, 31365, 31367, 31368, 31370, 31375, 31380, 31382, 31390, 31395, 31400, 31420, 31500, 31502, 31510, 31511, 31512, 31513, 31515, 31520, 31525, 31526, 31527, 31528, 31529, 31530, 31531, 31536, 31540, 31541, 31545, 31546, 31560, 31561, 31570, 31571, 31576, 31577, 31578, 31580, 31582, 31584, 31587, 31588, 31590, 31595, 31599, 64716, 64886, 31535, 31600, 31603, 31605, 31610, 43030

Chemodenervation: 64613

Laryngeal electromyography: 95865

Reflux testing/evaluation: 91010, 91011, 91012, 91020, 91030, 91034, 91035, 91037, 91038

Radiation therapy: 77263, 77014, 77295, 77290, 77334, 77338, 77300, 77413, 77427, 77336, 77414, 77470, 77301, 77280, 77418