T2016T2017T2018T2019T2020T2021T2022T2023T2024T2025T2026T2027T2028T2029T2030T2031T2032T2033T2034T2035T2036T2037T2038T2039T2040T2041T2042T2043T2044T2045T2046T2047T2048T2049T2050T2051T2101T4521T4522T4523T4524T4525T4526T4527T4528T4529T4530T4531T4532T4533HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 7/24/2026
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