99204 PDF download: Prolonged Services (Codes 99354 – 99359) – CMS.gov www.cms.gov Mar 7, 2017 … 99354. Threshold Time to Bill. Codes 99354 and 99355. 99201. 10. 40. 85. 99202. 20. 50. 95. 99203. 30. 60. 105. 99204. 45. 75.…
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