CMS assigns Q codes to procedures, services, and supplies on a temporary basis. When a permanent code is assigned, the Q code is deleted and cross-referenced.
Q0483Q0484Q0485Q0486Q0487Q0488Q0489Q0490Q0491Q0492Q0493Q0494Q0495Q0496Q0497Q0498Q0499Q0500Q0501Q0502Q0503Q0504Q0506Q0507Q0508Q0509Q0510Q0511Q0512Q0513Q0514Q0515Q0516Q0517Q0518Q0519Q0520Q0521Q1004Q1005Q2004Q2009Q2017Q2026Q2028Q2034Q2035Q2036Q2037Q2038HCPCS 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 7/19/2026
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