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0684T Peri-px dev eval isdss ip

What 0684T is

CMS fee schedule short descriptor: Peri-px dev eval isdss ip.

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 0684T (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.

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Medically Unlikely Edit (MUE)

Medicare caps 0684T at 1 unit per date of service for practitioner claims (MAI 2 - date of service edit (absolute): units above the MUE never pay), rationale: Code Descriptor / CPT Instruction. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.

Billed with 0684T? These codes are bundled into it

0684T is a Column 1 code in 4 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 codeShort descriptionModifier indicator
0685TInterrog dev eval isdss ip0 - no modifier bypassCheck pair
36591Draw blood off venous device0 - no modifier bypassCheck pair
36592Collect blood from picc0 - no modifier bypassCheck pair
96523Irrig drug delivery device0 - no modifier bypassCheck pair

0684T is bundled into these codes

0684T appears as a Column 2 code in 10 active edits. Reported with one of these Column 1 codes on the same date of service, 0684T is the code that denies.

Column 1 codeShort descriptionModifier indicator
0674TLaps insj nw/rpcmt prm isdss0Check pair
0675TLaps insj nw/rpcmt isdss 1ld0Check pair
0676TLaps insj nw/rpcmt isdss ea0Check pair
0677TLaps repos lead isdss 1st ld0Check pair
0678TLaps repos lead isdss ea add0Check pair
0679TLaps rmvl lead isdss0Check pair
0680TInsj/rplcmt pg only isdss0Check pair
0681TRlcj pulse gen only isdss0Check pair
0682TRemoval pulse gen only isdss0Check pair
0683TPrgrmg dev eval isdss ip0Check 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.