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19100 Bx breast percut w/o image

What 19100 is

CMS fee schedule short descriptor: Bx breast percut w/o image.

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 19100 (CY2026)

Work RVUPractice expense RVUMalpractice RVUTotalMedicare rate
Non-facility (office)1.243.350.304.89$163.33
Facility (hospital, ASC)1.240.310.301.85$61.79

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.


Status: Active - payable under the Physician Fee Schedule. Global period: Global concept does not apply (endoscopic or minor procedure: global period is the day of the procedure).

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Medically Unlikely Edit (MUE)

Medicare caps 19100 at 4 units 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: Clinical: Data. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.

Billed with 19100? These codes are bundled into it

19100 is a Column 1 code in 234 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
00400Anes integumentary sys nos0 - no modifier bypassCheck pair
0213TNjx paravert w/us cer/thor0 - no modifier bypassCheck pair
0216TNjx paravert w/us lumb/sac0 - no modifier bypassCheck pair
0596TTemp fml iu vlv-pmp 1st insj1 - modifier may bypassCheck pair
0597TTemp fml iu valve-pmp rplcmt1 - modifier may bypassCheck pair
0903TEcg alg 12 lead reduced i&r1 - modifier may bypassCheck pair
0904TEcg alg 12 ld rdcd trcg only1 - modifier may bypassCheck pair
0905TEcg alg 12 ld rdcd i&r only1 - modifier may bypassCheck pair
10005Fna bx w/us gdn 1st les1 - modifier may bypassCheck pair
10007Fna bx w/fluor gdn 1st les1 - modifier may bypassCheck pair
10009Fna bx w/ct gdn 1st les1 - modifier may bypassCheck pair
10011Fna bx w/mr gdn 1st les1 - modifier may bypassCheck pair
10021Fna bx w/o img gdn 1st les1 - modifier may bypassCheck pair
10035Plmt sft tiss loclzj dev 1st1 - modifier may bypassCheck pair
12001Rpr s/n/ax/gen/trnk 2.5cm/<1 - modifier may bypassCheck pair
12002Rpr s/n/ax/gen/trnk2.6-7.5cm1 - modifier may bypassCheck pair
12004Rpr s/n/ax/gen/trk7.6-12.5cm1 - modifier may bypassCheck pair
12005Rpr s/n/a/gen/trk12.6-20.0cm1 - modifier may bypassCheck pair
12006Rpr s/n/a/gen/trk20.1-30.0cm1 - modifier may bypassCheck pair
12007Rpr s/n/ax/gen/trnk >30.0 cm1 - modifier may bypassCheck pair
12011Rpr f/e/e/n/l/m 2.5 cm/<1 - modifier may bypassCheck pair
12013Rpr f/e/e/n/l/m 2.6-5.0 cm1 - modifier may bypassCheck pair
12014Rpr f/e/e/n/l/m 5.1-7.5 cm1 - modifier may bypassCheck pair
12015Rpr f/e/e/n/l/m 7.6-12.5 cm1 - modifier may bypassCheck pair
12016Rpr fe/e/en/l/m 12.6-20.0 cm1 - modifier may bypassCheck pair
12017Rpr fe/e/en/l/m 20.1-30.0 cm1 - modifier may bypassCheck pair
12018Rpr f/e/e/n/l/m >30.0 cm1 - modifier may bypassCheck pair
12020Tx supfc wnd dehsn smpl clsr1 - modifier may bypassCheck pair
12021Tx supfc wnd dehsn w/packing1 - modifier may bypassCheck pair
12031Intmd rpr s/a/t/ext 2.5 cm/<1 - modifier may bypassCheck pair

Showing 30 of 234 column 2 codes. Use the pair checker for any specific combination.

19100 is bundled into these codes

19100 appears as a Column 2 code in 20 active edits. Reported with one of these Column 1 codes on the same date of service, 19100 is the code that denies.

Column 1 codeShort descriptionModifier indicator
19081Bx breast 1st lesion strtctc1Check pair
19082Bx breast add lesion strtctc1Check pair
19083Bx breast 1st lesion us imag1Check pair
19084Bx breast add lesion us imag1Check pair
19085Bx breast 1st lesion mr imag1Check pair
19086Bx breast add lesion mr imag1Check pair
19101Biopsy of breast open1Check pair
19110Nipple exploration1Check pair
19112Excise breast duct fistula1Check pair
19125Excision breast lesion1Check pair
19300Mastectomy for gynecomastia1Check pair
19301Partial mastectomy1Check pair
19302P-mastectomy w/ln removal1Check pair
19303Mast simple complete1Check pair
19305Mast radical1Check 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.