Modifier JZ. Zero drug amount discarded — required since 7/1/2023; single-dose drug claims without JW or JZ may be returned as unprocessable for DOS on/after 10/1/2023.
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.