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00520 Anes closed chest px nos

What 00520 is

CMS fee schedule short descriptor: Anes closed chest px nos.

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 00520 (CY2026)

This code has no Physician Fee Schedule rate: Anesthesia service with no RVUs in the standard file. 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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Billed with 00520? These codes are bundled into it

00520 is a Column 1 code in 294 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
01996Dly hosp mgmt edrl rx admin1 - modifier may bypassCheck pair
0213TNjx paravert w/us cer/thor1 - modifier may bypassCheck pair
0216TNjx paravert w/us lumb/sac1 - modifier may bypassCheck pair
0632TPerq tcat us abltj nrv p-art1 - modifier may bypassCheck pair
0708TId ca immntx prep & 1st njx0 - no modifier bypassCheck pair
0709TId ca immntx each addl njx0 - no modifier 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
31505Diagnostic laryngoscopy1 - modifier may bypassCheck pair
31515Laryngoscopy for aspiration1 - modifier may bypassCheck pair
31527Laryngoscopy for treatment1 - modifier may bypassCheck pair
36000Place needle in vein1 - modifier may bypassCheck pair
36010Place catheter in vein0 - no modifier bypassCheck pair
36011Place catheter in vein1 - modifier may bypassCheck pair
36012Place catheter in vein1 - modifier may bypassCheck pair
36013Place catheter in artery1 - modifier may bypassCheck pair
36014Place catheter in artery1 - modifier may bypassCheck pair
36015Place catheter in artery1 - modifier may bypassCheck pair
36400Vnpnxr<3yrs phy/qhp fem/jug1 - modifier may bypassCheck pair
36405Vnpnxr<3yrs phy/qhp scalp vn1 - modifier may bypassCheck pair
36406Vnpnxr<3yrs phy/qhp other vn1 - modifier may bypassCheck pair
36410Vnpnxr 3yr/> phy/qhp dx/ther1 - modifier may bypassCheck pair
36420Venipuncture cutdown < 1 yr1 - modifier may bypassCheck pair
36425Venipuncture cutdown 1 yr/>1 - modifier may bypassCheck pair
36430Transfusion bld/bld compnt1 - modifier may bypassCheck pair
36440Bld push tfuj 2 yr/<1 - modifier may bypassCheck pair
36591Draw blood off venous device0 - no modifier bypassCheck pair
36592Collect blood from picc0 - no modifier bypassCheck pair
36600Withdrawal of arterial blood1 - modifier may bypassCheck pair

Showing 30 of 294 column 2 codes. Use the pair checker for any specific combination.

00520 is bundled into these codes

00520 appears as a Column 2 code in 168 active edits. Reported with one of these Column 1 codes on the same date of service, 00520 is the code that denies.

Column 1 codeShort descriptionModifier indicator
0397TErcp w/optical endomicroscpy0Check pair
0652TEgd flx transnasal dx br/wa0Check pair
0653TEgd flx transnasal bx 1/mlt0Check pair
0654TEgd flx transnasal tube/cath0Check pair
0781TBrnchsc rf dstrj pulm nrv bi0Check pair
0782TBrnchsc rf dstrj plm nrv uni0Check pair
0884TEsphgsc flx 1st tndsc dilat0Check pair
31592Cricotracheal resection0Check pair
31600Planned tracheostomy0Check pair
31601Planned tracheostomy<2 yrs0Check pair
31603Emer tracheostomy ttrach0Check pair
31605Emer tracheostomy cthyr mem0Check pair
31610Tracheostomy fenest skin flp0Check pair
31611Constj trachesophgl fstl0Check pair
31612Perq trchl pnxr ttrach aspir0Check 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.