Modifier PT. Colorectal screening converted to diagnostic/therapeutic — Medicare only; waives the deductible. Coinsurance phasing out (15% 2023–2026, 10% 2027–2029, 0% from 2030).
Reference only — CPT descriptors are AMA-copyrighted (paraphrased). Payment percentages and acceptance vary by payer; verify against the current CPT/HCPCS files and payer policy.