No office rate
Use 27100 for an abdominal-muscle transfer to the thigh; 27105 is the related transfer using spinal muscle.
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CMS RVU26D · Effective 2026-10-01
27100 Muscle transfer Medicare reimbursement rates in Idaho
Reports an operation that relocates abdominal muscle to the thigh, typically to restore hip or thigh function affected by paralysis. Compare 27100 office and facility rates across CMS payment localities in Idaho.
Amounts below use the non-QP conversion factor for participating physicians. These are base physician payments before claim-level adjustments, not patient costs or total hospital charges.
What does Medicare pay for 27100 in Idaho?
Idaho has 1 payment locality in this comparison. Use the service location to choose the applicable amount. These are the supported base rates for the payment area shown below, using the same CMS release.
Office / nonfacility
No supported rate
Facility setting
$710.33
1 of 1 localities have a supported rate.
Payment area: Idaho
One mapped payment locality.
These are locality ranges, not averages or address-specific quotes. A facility-setting amount covers the physician service; it does not include a hospital’s separate bill. Choose a locality below to inspect its calculation, compare other payment areas, or price a percentage of Medicare.
Orthopedic surgery
About 27100: Abdominal muscle transfer to thigh
Reports an operation that relocates abdominal muscle to the thigh, typically to restore hip or thigh function affected by paralysis.
The surgeon mobilizes abdominal muscle and reroutes it to the thigh to provide a new source of muscle function, commonly as reconstructive treatment for a paralytic hip. The operative report should identify the donor muscle, its new attachment, the side treated, and the functional problem prompting the transfer. This is an uncommon facility-based operation rather than a routine office procedure.
Report 27100 when the abdominal muscle transfer itself is performed; distinguish it from transfers using spinal or iliopsoas muscle. The 90-day major-surgery global period includes 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 other procedures are subject to the standard 50% reduction. Bilateral reporting with modifier 50 is paid at 150%. An assistant at surgery may be paid; co-surgeon payment requires supporting documentation, and team surgery is not permitted.
CMS billing rules for 27100
- Global period
- Major surgery with a 90-day global period: the day-before preoperative visit and 90 days of related postoperative care are included.
- Multiple procedures
- Standard multiple procedure reduction: the highest-valued procedure is paid in full and others at 50% when performed in the same session.
- Bilateral procedures
- Bilateral procedure with modifier 50 is paid at 150%.
- Assistant at surgery
- Assistant at surgery may be paid.
- Co-surgeons
- Co-surgeons paid only with supporting documentation.
- Team surgery
- Team surgery not permitted.
Where the value comes from
- Work RVU11.07 · 48%
- Practice expense (office) RVU9.87 · 42%
- Malpractice RVU2.36 · 10%
55
Medicare services in 2024 · #5295 by national volume
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.
27100 compared with similar codes
Office rates for Idaho, from the same CMS release.
No office rate
Use 27110 when the transferred muscle is iliopsoas and its destination is the greater trochanter, rather than abdominal muscle transferred to the thigh.
No office rate
Use 27111 for an iliopsoas transfer to the femur; 27100 identifies an abdominal-muscle transfer to the thigh.
Compare 27100 by payment locality
Find the payment area for your service address, then open its rate page for calculation inputs, release history and the percentage-of-Medicare tool. A city may cross payment-area boundaries; the ZIP lookup above helps resolve the location.
1 of 1 payment localities
Idaho →
Office / nonfacility
Unavailable
Facility
$710.33
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How this local rate is calculated
Each RVU component is multiplied by its own geographic practice cost index (GPCI). The three adjusted components are added, then multiplied by the conversion factor. These are the inputs used for 27100 in Idaho.
PPRRVU2026_Oct_nonQPP.csv
2,753
- Code
- 27100
- Physician work
- 11.07
- Practice expense
- 9.87
- Malpractice
- 2.36
GPCI2026.csv
47
- Locality
- Idaho
- Physician work
- 1.000
- Practice expense
- 0.920
- Malpractice
- 0.473
| Component | RVU | Locality factor | Adjusted |
|---|---|---|---|
| Physician work | 11.07 | × 1.000 | 11.0700 |
| Practice expense | 9.87 | × 0.920 | 9.0804 |
| Malpractice | 2.36 | × 0.473 | 1.1163 |
| Total RVUs | 21.2667 | ||
| Conversion factor | × 33.4009 | ||
Facility rate, Idaho$710.33
Explore RVUs, geographic factors and the full formula
Facility
| Component | RVU | Local GPCI |
|---|---|---|
| Work | 11.07 | 1 |
| Practice expense | 9.87 | 0.92 |
| Malpractice | 2.36 | 0.473 |
(11.07 × 1 + 9.87 × 0.92 + 2.36 × 0.473) × $33.4009 = $710.33
The office and facility calculations use their respective practice-expense RVUs. The facility amount here is the physician fee, not a separate hospital or facility bill.
27100 billing questions
How is 27100 distinguished from the nearby muscle-transfer codes?
This code is for transferring abdominal muscle to the thigh. Code 27105 describes a spinal-muscle transfer, while 27110 and 27111 involve iliopsoas muscle.
What operative documentation supports reporting 27100?
Document the abdominal donor muscle, the transfer and new attachment in the thigh, the side, and the functional indication, such as a paralytic hip.
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 major-surgery global period.
How is bilateral surgery reported?
For bilateral performance, modifier 50 is paid at 150% under the CMS rule for this code.
Can an assistant or co-surgeon be paid?
An assistant at surgery may be paid. Co-surgeon payment requires supporting documentation; team surgery is not permitted.
Where these rates come from
FeeBase calculates base physician payments from CMS work, practice-expense, and malpractice RVUs, adjusted by each locality’s geographic indices and the applicable conversion factor. Unavailable or separately priced services are labeled rather than assigned a made-up amount.
Source: RVU26D. Effective 2026-10-01 through the day before 2027-01-01.
2,75027096,,Inject sacroiliac joint,A,,1.44,3.68,,0.63,,0.14,5.26,2.21,0,000,0.00,0.00,0.00,2,1,1,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
2,75127097,,Revision of hip tendon,A,,9.04,8.32,NA,8.32,,1.92,19.28,19.28,0,090,0.10,0.69,0.21,2,1,2,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
2,75227098,,Transfer tendon to pelvis,A,,9.09,8.68,NA,8.68,,1.93,19.70,19.70,0,090,0.10,0.69,0.21,2,1,2,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
2,75327100,,Transfer of abdominal muscle,A,,11.07,9.87,NA,9.87,,2.36,23.30,23.30,0,090,0.10,0.69,0.21,2,1,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
2,75427105,,Transfer of spinal muscle,A,,11.74,10.09,NA,10.09,,2.50,24.33,24.33,0,090,0.10,0.69,0.21,2,1,2,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
2,75527110,,Transfer of iliopsoas muscle,A,,13.43,10.63,NA,10.63,,2.86,26.92,26.92,0,090,0.10,0.69,0.21,2,1,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
2,75627111,,Transfer of iliopsoas muscle,A,,12.29,10.27,NA,10.27,,2.61,25.17,25.17,0,090,0.10,0.69,0.21,2,1,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4410212,GA,01,ATLANTA,1.003,1.016,1.201
4510212,GA,99,REST OF GEORGIA,1.000,0.892,1.192
4601212,HI,01,"HAWAII, GUAM",1.000,1.137,0.579
4702202,ID,00,IDAHO,1.000,0.920,0.473
4806102,IL,16,CHICAGO,1.007,1.005,2.295
4906102,IL,12,EAST ST. LOUIS,1.000,0.920,2.014
5006102,IL,15,SUBURBAN CHICAGO,1.007,1.027,1.772