Category Iii Codes
Defines UnitedHealthcare's position that CPT Category III codes are generally considered experimental, investigational, or unproven and not medically necessary unless addressed in another policy; provides an extensive list of Category III codes for reference and notes benefit considerations and coding updates.
Removed CPT codes 0660T, 0795T, 0796T, 0797T, 0798T, 0799T, 0800T, 0801T, 0802T, and 0803T.
Archived previous policy version 2026T0644O.
Coverage Summary
Defines UnitedHealthcare's position that CPT Category III codes are generally considered experimental, investigational, or unproven and not medically necessary unless specifically addressed in another policy; provides an extensive list of Category III codes for reference and notes benefit considerations and coding updates. Covered only when specifically addressed in another UnitedHealthcare policy; otherwise Category III codes are considered experimental/investigational/unproven and not medically necessary. Effective date: April 1, 2026; Last review: April 1, 2026. Coverage stance: not_covered_cosmetic.