`93278` Ecg/signal-averaged

What 93278 is

CMS fee schedule short descriptor: Ecg/signal-averaged.

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 93278 (CY2026)

	Work RVU	Practice expense RVU	Malpractice RVU	Total	Medicare rate
Non-facility (office)	0.24	0.73	0.02	0.99	$33.07
Facility (hospital, ASC)	0.24	0.73	0.02	0.99	$33.07

National rates: total RVUs x the CY2026 conversion factor of 33.4009 (non-QP), before geographic adjustment. Actual Medicare payment is 80% of the rate shown after the deductible; the patient or secondary payer owes the 20% coinsurance.

Adjust for a Medicare locality:

Status: Active - payable under the Physician Fee Schedule. Global period: Global concept does not apply.

Medically Unlikely Edit (MUE)

Medicare caps 93278 at 1 unit per date of service for practitioner claims (MAI 3 - date of service edit (clinical): units above the MUE may pay with documentation on appeal), rationale: Nature of Service/Procedure. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.

Billed with 93278? These codes are bundled into it

93278 is a Column 1 code in 23 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
`0571T`	Insj/rplcmt icds ss eltrd	0 - no modifier bypass	Check pair
`0572T`	Insertion ss dfb electrode	0 - no modifier bypass	Check pair
`0573T`	Removal ss dfb electrode	0 - no modifier bypass	Check pair
`0574T`	Repos prev ss impl dfb eltrd	0 - no modifier bypass	Check pair
`0575T`	Prgrmg dev eval icds ss ip	0 - no modifier bypass	Check pair
`0576T`	Interrog dev eval icds ss ip	0 - no modifier bypass	Check pair
`0577T`	Ephys eval icds ss	0 - no modifier bypass	Check pair
`0578T`	Rem interrog dev icds phys	0 - no modifier bypass	Check pair
`0579T`	Rem interrog dev icds tech	0 - no modifier bypass	Check pair
`0580T`	Rmvl ss impl dfb pg only	0 - no modifier bypass	Check pair
`0897T`	N-invas augmnt arrhyt alys	1 - modifier may bypass	Check pair
`0903T`	Ecg alg 12 lead reduced i&r	0 - no modifier bypass	Check pair
`0904T`	Ecg alg 12 ld rdcd trcg only	0 - no modifier bypass	Check pair
`0905T`	Ecg alg 12 ld rdcd i&r only	1 - modifier may bypass	Check pair
`36591`	Draw blood off venous device	0 - no modifier bypass	Check pair
`36592`	Collect blood from picc	0 - no modifier bypass	Check pair
`93000`	Electrocardiogram complete	1 - modifier may bypass	Check pair
`93005`	Electrocardiogram tracing	1 - modifier may bypass	Check pair
`93010`	Electrocardiogram report	1 - modifier may bypass	Check pair
`93040`	Rhythm ecg with report	1 - modifier may bypass	Check pair
`93041`	Rhythm ecg tracing	1 - modifier may bypass	Check pair
`93042`	Rhythm ecg report	1 - modifier may bypass	Check pair
`96523`	Irrig drug delivery device	0 - no modifier bypass	Check pair

93278 is bundled into these codes

93278 appears as a Column 2 code in 6 active edits. Reported with one of these Column 1 codes on the same date of service, 93278 is the code that denies.

Column 1 code	Short description	Modifier indicator
`0696T`	Bdy surf mapg pm/cvdfb f/up	1	Check pair
`93018`	Cv stress test i&r only	1	Check pair
`95921`	Autonomic nrv parasym inervj	1	Check pair
`95922`	Autonomic nrv adrenrg inervj	1	Check pair
`95923`	Autonomic nrv syst funj test	1	Check pair
`95924`	Ans parasymp & symp w/tilt	1	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.