70170 X-ray exam of tear duct
What 70170 is
CMS fee schedule short descriptor: X-ray exam of tear duct.
Full CPT long descriptions are licensed by the American Medical Association and are not published on this site; the short descriptor above is the one CMS prints in its own fee schedule file. See About CPT.
Medicare payment for 70170 (CY2026)
This code has no Physician Fee Schedule rate: Carrier-priced - the Medicare contractor sets the price. It may be paid under a different fee schedule (clinical laboratory, DMEPOS, anesthesia) or not paid at all - check the relevant CMS schedule.
Medically Unlikely Edit (MUE)
Medicare caps 70170 at 2 units per date of service for practitioner claims (MAI 2 - date of service edit (absolute): units above the MUE never pay), rationale: Anatomic Consideration. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.
Billed with 70170? These codes are bundled into it
70170 is a Column 1 code in 13 active NCCI PTP edits. When one of these Column 2 codes is reported on the same date of service, it is denied as bundled - unless the edit's modifier indicator is 1 and documentation supports a distinct service with an NCCI-associated modifier.
| Column 2 code | Short description | Modifier indicator | |
|---|---|---|---|
36591 | Draw blood off venous device | 0 - no modifier bypass | Check pair |
36592 | Collect blood from picc | 0 - no modifier bypass | Check pair |
76000 | Fluoroscopy <1 hr phys/qhp | 1 - modifier may bypass | Check pair |
77001 | Fluoroguide for vein device | 1 - modifier may bypass | Check pair |
77002 | Needle localization by xray | 1 - modifier may bypass | Check pair |
78660 | Nuclear exam of tear flow | 0 - no modifier bypass | Check pair |
96523 | Irrig drug delivery device | 0 - no modifier bypass | Check pair |
99446 | Ntrprof ph1/ntrnet/ehr 5-10 | 1 - modifier may bypass | Check pair |
99447 | Ntrprof ph1/ntrnet/ehr 11-20 | 1 - modifier may bypass | Check pair |
99448 | Ntrprof ph1/ntrnet/ehr 21-30 | 1 - modifier may bypass | Check pair |
99449 | Ntrprof ph1/ntrnet/ehr 31/> | 1 - modifier may bypass | Check pair |
99451 | Ntrprof ph1/ntrnet/ehr 5/> | 1 - modifier may bypass | Check pair |
99452 | Ntrprof ph1/ntrnet/ehr rfrl | 1 - modifier may bypass | Check pair |
Data: CMS CY2026 Physician Fee Schedule RVU file (October release, RVU26D) and Medicare NCCI PTP practitioner edits v32.3 (2026 Q4). Verify against the official files before billing or contracting decisions.