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27496 Decompression of thigh/knee

What 27496 is

CMS fee schedule short descriptor: Decompression of thigh/knee.

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 27496 (CY2026)

Work RVUPractice expense RVUMalpractice RVUTotalMedicare rate
Non-facility (office)6.617.891.4015.90$531.07
Facility (hospital, ASC)6.617.891.4015.90$531.07

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.


Status: Active - payable under the Physician Fee Schedule. Global period: 90-day global period.

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Medically Unlikely Edit (MUE)

Medicare caps 27496 at 1 unit per date of service for practitioner claims (MAI 2 - date of service edit (absolute): units above the MUE never pay), rationale: CMS Policy. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.

Billed with 27496? These codes are bundled into it

27496 is a Column 1 code in 247 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
01250Anes all px nrv musc upr leg0 - no modifier bypassCheck pair
01320Anes all px nrv msc kne&/pop0 - no modifier bypassCheck pair
01400Anes opn/arthrs knee jt 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
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
10030Img gid flu coll drg sft tis1 - modifier may bypassCheck pair
10140I&d hmtma seroma/fluid collj1 - modifier may bypassCheck pair
10160Pnxr aspir absc hmtma bulla1 - modifier may bypassCheck pair
10180I&d complex po wound infctj1 - modifier may bypassCheck pair
11000Dbrdmt ecz/infected skin<10%1 - modifier may bypassCheck pair
11001Dbrdmt ecz/infct skn ea addl1 - modifier may bypassCheck pair
11004Dbrdmt skin xtrnl gent&per1 - modifier may bypassCheck pair
11005Dbrdmt skin abdominal wall1 - modifier may bypassCheck pair
11006Dbrdmt skin xtrnl gent per1 - modifier may bypassCheck pair
11011Debride skin musc at fx site1 - modifier may bypassCheck pair
11012Deb skin bone at fx site1 - modifier may bypassCheck pair
11042Dbrdmt subq tis 1st 20sqcm/<1 - modifier may bypassCheck pair
11043Dbrdmt musc&/fsca 1st 20/<1 - modifier may bypassCheck pair
11044Dbrdmt bone 1st 20 sq cm/<1 - modifier may bypassCheck pair
11045Dbrdmt subq tiss each addl1 - modifier may bypassCheck pair
11046Dbrdmt musc&/fsca ea addl1 - modifier may bypassCheck pair
11047Dbrdmt bone each addl1 - modifier may bypassCheck pair
12001Rpr s/n/ax/gen/trnk 2.5cm/<1 - modifier may bypassCheck pair

Showing 30 of 247 column 2 codes. Use the pair checker for any specific combination.

27496 is bundled into these codes

27496 appears as a Column 2 code in 8 active edits. Reported with one of these Column 1 codes on the same date of service, 27496 is the code that denies.

Column 1 codeShort descriptionModifier indicator
11010Debride skin at fx site1Check pair
27497Decompression of thigh/knee1Check pair
27498Decompression of thigh/knee1Check pair
27499Decompression of thigh/knee1Check pair
64712Revision of sciatic nerve1Check pair
64714Revise low back nerve(s)1Check pair
64858Repair sciatic nerve1Check pair
64859Nerve surgery1Check 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.