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Billing code 27441: Knee revisionMedicare rate & RVUs

Reports revision surgery on the knee joint, with code selection supported by the operative report describing the specific revision performed.

CMS RVU26DEffective Oct 1, 2026109 payment localities

Medicare pays $768.55 for 27441 nationally in a facility.

Medicare rate · 27441

Knee revision

Swap in your local Medicare rate.

Work RVUs
11.25
Total RVUs
23.01
Global days
090

National rate · 2026

$768.55

Facility setting, before claim adjustments.

See every locality for 27441 → · Billed by an NP, PA or therapist? →

Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.

On this page 10 sections
  1. Medicare rate
  2. What 27441 covers
  3. By payment locality
  4. Rate map
  5. How it’s calculated
  6. Payment rules
  7. Similar codes
  8. Related codes
  9. Billing questions
  10. Sources

What 27441 covers

This code represents operative revision of a knee joint. An orthopedic surgeon typically performs the procedure in an operating room when the knee requires surgical revision after prior treatment. The operative report should identify the joint work performed and explain why revision was needed; the code should not be selected from the diagnosis alone.

Report it for the documented revision service, distinguishing it from a primary total knee replacement and from revision codes with more specifically defined work. The code has a 90-day global period, including the day-before preoperative visit and 90 days of related postoperative care. When multiple procedures are performed in the same session, the highest-valued procedure is paid in full and others at 50%. For bilateral reporting with modifier 50, payment is at 150%. An assistant at surgery may be paid; co-surgeons require supporting documentation, and team surgery is not permitted.

This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.

Where 27441 pays more and less

The same RVUs, adjusted for each area’s costs. Open a locality for its calculation, history and nearby areas.

109 of 109 payment localities

27441 office and facility rates by payment locality
Payment localityOfficeFacility
AlabamaUnavailable$694.69
Alaska*Unavailable$940.76
ArizonaUnavailable$747.32
ArkansasUnavailable$685.59
AtlantaUnavailable$790.80
AustinUnavailable$778.30
BakersfieldUnavailable$774.36
Baltimore/Surr. CntysUnavailable$816.39
BeaumontUnavailable$734.73
BrazoriaUnavailable$751.11

27441 rates by state

Office rate range in each state. Select a state to see its payment localities.

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Local rates. Clear comparisons.

Hover or focus a tile to see its rate range. Select it to open the state’s fee schedule.

View every state and territory as a table
27441 office rate range by state
State / territoryOffice rate rangeLocalities
AKNo published base rate1
ALNo published base rate1
ARNo published base rate1
AZNo published base rate1
CANo published base rate29
CONo published base rate1
CTNo published base rate1
DCNo published base rate1
DENo published base rate1
FLNo published base rate3
GANo published base rate2
GUNo published base rate1
HINo published base rate1
IANo published base rate1
IDNo published base rate1
ILNo published base rate4
INNo published base rate1
KSNo published base rate1
KYNo published base rate1
LANo published base rate2
MANo published base rate2
MDNo published base rate3
MENo published base rate2
MINo published base rate2
MNNo published base rate1
MONo published base rate3
MSNo published base rate1
MTNo published base rate1
NCNo published base rate1
NDNo published base rate1
NENo published base rate1
NHNo published base rate1
NJNo published base rate2
NMNo published base rate1
NVNo published base rate1
NYNo published base rate5
OHNo published base rate1
OKNo published base rate1
ORNo published base rate2
PANo published base rate2
PRNo published base rate1
RINo published base rate1
SCNo published base rate1
SDNo published base rate1
TNNo published base rate1
TXNo published base rate8
UTNo published base rate1
VANo published base rate2
VINo published base rate1
VTNo published base rate1
WANo published base rate2
WINo published base rate1
WVNo published base rate1
WYNo published base rate1

How the 27441 rate is calculated

Each of 27441’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.

How the rate is built · 27441

RVUs × geographic indexes × conversion factor

Swap in your local Medicare rate.

Work 11.25Practice expense 9.36Malpractice 2.40

23.0100 adjusted RVUs×$33.4009 conversion factor=$768.55

All indexes start at 1.000 (the national rate). Enter a ZIP or drag a slider.

Payment rules and modifiers for 27441

27441 has a 90-day global period: related visits in that window are included in the surgery payment.

CMS payment indicators · 27441

Knee revision

RuleCMS valueWhat it means
Global period090Major surgery: the day before, the day of, and 90 days after are included.
Multiple procedures2Standard reduction: highest-valued procedure at 100%, others at 50%.
Bilateral (modifier 50)1Bilateral with modifier 50 pays 150% of the fee schedule amount.
Assistant at surgery (80/81/82/AS)2Paid.
Co-surgeons (62)1Permitted with supporting documentation.
Team surgery (66)0Not permitted.
Professional/technical0Physician service: no professional/technical split.
Split (54/55/56)0.10/0.69/0.21Share of the payment for pre-op, the procedure itself, and post-op care.

Global surgery period · 27441

Knee revision

90-day global period ends

Dec 30, 2026

Covers Sep 30, 2026 through Dec 30, 2026 (92 days, including the day before surgery).

Visit on Oct 31, 2026

Day 30 of the 90-day post-op period: related follow-up care is included in the surgical payment.

  • 24 Unrelated E/M visit by the same physician
  • 79 Unrelated procedure (starts its own global period)
  • 58 Staged, more extensive, or therapy procedure that was planned
  • 78 Unplanned return to the operating room for a related complication
SurgeryVisit
Sep 23, 2026Jan 10, 2027

Pre-op dayGlobal period

What modifiers do to the payment

Modifier 50 · payment effect

With and without the modifier

27441 without 50 · national facility

$768.55

Knee revision

27441-50 · Bilateral: 150%

$1,152.83

Both sides on one line with modifier 50 are paid at 150% of the fee schedule amount (subject to multiple-procedure rules with other procedures).

When to use modifier 50

27441 compared with similar codes

Compare codes

27441 vs 27447 vs 27486 vs 27487: national Medicare rates

Swap in your local Medicare rate.

  • 27441
    Knee revision · 11.25 wRVU
    —
  • 27447
    Total knee replacement · 19.11 wRVU
    —
  • 27486
    Knee revision · 20.59 wRVU
    —
  • 27487
    Knee revision · 26.43 wRVU
    —

How to choose

27447Total knee replacement
Use 27447 for a primary total knee replacement. This code is for revision surgery on the knee joint.
27486Knee revision
27486 specifically describes revision of one component of a total knee arthroplasty. Select this code when the operative work meets that component-specific description.
27487Knee revision
27487 specifically describes revision involving the femoral and tibial components of a total knee arthroplasty. Use it when the documented work matches that scope.

Codes related to 27441

Related codes aren’t interchangeable: bill the code that matches the service performed.

Codes related to 27441
CodeHow it relatesNational office range
Same family
27440Knee arthroplastyA nearby knee-joint revision code in the same operative code family.No office rate
27442Knee revisionA neighboring knee-joint revision code; distinguish by the documented procedure.No office rate
27443Knee revisionAnother knee-joint revision code in the nearby code family.No office rate
Used instead
27447Total knee replacementPrimary total knee replacement when the operation is not a revision.No office rate
27486Knee revisionRevision of a total knee arthroplasty involving one component.No office rate
27487Knee revisionRevision of a total knee arthroplasty involving femoral and tibial components.No office rate

27441 billing questions

How is this distinguished from a primary total knee replacement?

This code is for revision surgery on a knee joint. A primary total knee replacement is reported with 27447 when the documented procedure is primary rather than revision surgery.

What documentation supports reporting this code?

The operative report should describe the revision performed, the knee joint work, and the clinical reason for revising it. The diagnosis by itself does not establish the service.

How does the 90-day global period affect postoperative billing?

The day-before preoperative visit and 90 days of related postoperative care are included in the global period.

How is this code paid when other procedures are performed in the same session?

The highest-valued procedure is paid in full, and other procedures are paid at 50% under the standard multiple procedure reduction.

Can modifier 50 be used for bilateral surgery?

Yes. CMS identifies this as a bilateral procedure; reporting modifier 50 results in payment at 150%.

Where these rates come from

FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.

CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027

Show the CMS file lines behind this rate
RVUs for 27441PPRRVU2026_Oct_nonQPP.csv, line 2,895 (RVU26D)

Open CMS sourceHow we calculate rates

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