HCPCS Modifier UN
Published 07/16/2020
Description
HCPCS Modifier UN is used to report two patients were served with portable X-ray HCPCS code R0075 (transportation component) at the same location.
Guidelines and Instructions
- Submit this modifier with portable X-ray HCPCS code R0075 (transportation component) when two Medicare patients are served at the same location
- The units field must reflect "1" except in extremely unusual circumstances. The units field must never be used to report the number of patients served during a single trip. The units field must reflect the number of services that the specific beneficiary received and not the number of services received by other beneficiaries.
- Note: If only one patient is seen at a particular location, report HCPCS code R0070 with no modifier since the description for this code specifies that one patient was seen
Reference: CMS Pub. 100-04, Chapter 13, Section 90 (PDF, 482 KB).