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46600 Diagnostic anoscopy spx

What 46600 is

CMS fee schedule short descriptor: Diagnostic anoscopy spx.

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 46600 (CY2026)

Work RVUPractice expense RVUMalpractice RVUTotalMedicare rate
Non-facility (office)0.543.240.083.86$128.93
Facility (hospital, ASC)0.540.590.081.21$40.42

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 46600 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 46600? These codes are bundled into it

46600 is a Column 1 code in 239 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
00731Anes upr gi ndsc px nos0 - no modifier bypassCheck pair
00732Anes upr gi ndsc px ercp0 - no modifier bypassCheck pair
00811Anes lwr intst ndsc nos0 - no modifier bypassCheck pair
00812Anes lwr intst scr colsc0 - no modifier bypassCheck pair
00813Anes upr lwr gi ndsc px0 - no modifier bypassCheck pair
00902Anes anorectal px0 - 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
0632TPerq tcat us abltj nrv p-art1 - modifier may bypassCheck pair
0708TId ca immntx prep & 1st njx1 - modifier may bypassCheck pair
0709TId ca immntx each addl njx1 - 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
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

Showing 30 of 239 column 2 codes. Use the pair checker for any specific combination.

46600 is bundled into these codes

46600 appears as a Column 2 code in 167 active edits. Reported with one of these Column 1 codes on the same date of service, 46600 is the code that denies.

Column 1 codeShort descriptionModifier indicator
0184TExc rectal tumor endoscopic0Check pair
0885TColsc flx 1st tndsc dilat0Check pair
0886TSgmdsc flx 1st tndsc dilat0Check pair
45000Drainage of pelvic abscess1Check pair
45005Drainage of rectal abscess1Check pair
45020Drainage of rectal abscess1Check pair
45100Biopsy of rectum1Check pair
45108Anorectal myomectomy1Check pair
45110Removal of rectum1Check pair
45111Partial removal of rectum1Check pair
45112Removal of rectum1Check pair
45113Partial proctectomy1Check pair
45114Partial removal of rectum1Check pair
45116Partial removal of rectum1Check pair
45120Removal of rectum1Check 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.