No office rate
Choose 61885 for connection to one electrode array; choose 61886 when the generator or receiver connects to two or more arrays.
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CMS RVU26D · Effective 2026-10-01
61885 Neurostimulator generator Medicare reimbursement rates in Wisconsin
Reports insertion or replacement of a cranial neurostimulator generator or receiver connected to one electrode array, commonly in deep brain stimulation. Compare 61885 office and facility rates across CMS payment localities in Wisconsin.
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 61885 in Wisconsin?
Wisconsin 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
$490.87
1 of 1 localities have a supported rate.
Payment area: Wisconsin
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.
Neurosurgery
About 61885: Cranial neurostimulator generator, one array
Reports insertion or replacement of a cranial neurostimulator generator or receiver connected to one electrode array, commonly in deep brain stimulation.
A neurosurgeon inserts or replaces the pulse generator or receiver for a cranial neurostimulation system and connects it to one electrode array. This service is commonly part of deep brain stimulation for movement disorders, such as Parkinson disease or essential tremor. The generator is typically placed in a subcutaneous pocket and connected to the implanted intracranial lead; the electrode-implantation procedure is distinct. These operations are generally performed in a hospital operating room.
Select this code when the generator or receiver service connects to one array; use the related generator code for two or more arrays. The operative report should support whether the device was newly inserted or replaced and document the array connection. CMS assigns a 90-day global period, including the day-before preoperative visit and 90 days of related postoperative care. When multiple procedures occur in the same session, the highest-valued is paid in full and the others at 50%. For a bilateral procedure reported with modifier 50, payment is 150%. Assistant-at-surgery payment requires documented medical necessity; co-surgeons and team surgery are not permitted.
CMS billing rules for 61885
- 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 is paid only with documentation of medical necessity.
- Co-surgeons
- Co-surgeons not permitted.
- Team surgery
- Team surgery not permitted.
Where the value comes from
- Work RVU5.90 · 35%
- Practice expense (office) RVU8.42 · 50%
- Malpractice RVU2.37 · 14%
3.6K
Medicare services in 2024 · #2064 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.
61885 compared with similar codes
Office rates for Wisconsin, from the same CMS release.
No office rate
61885 covers insertion or replacement of the generator or receiver. 61888 is for revision or removal rather than insertion or replacement.
No office rate
61867 reports stereotactic implantation of a subcortical electrode array. 61885 reports the generator or receiver service and its connection to one array.
Compare 61885 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
Wisconsin →
Office / nonfacility
Unavailable
Facility
$490.87
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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 61885 in Wisconsin.
PPRRVU2026_Oct_nonQPP.csv
6,901
- Code
- 61885
- Physician work
- 5.90
- Practice expense
- 8.42
- Malpractice
- 2.37
GPCI2026.csv
111
- Locality
- Wisconsin
- Physician work
- 1.000
- Practice expense
- 0.958
- Malpractice
- 0.308
| Component | RVU | Locality factor | Adjusted |
|---|---|---|---|
| Physician work | 5.90 | × 1.000 | 5.9000 |
| Practice expense | 8.42 | × 0.958 | 8.0664 |
| Malpractice | 2.37 | × 0.308 | 0.7300 |
| Total RVUs | 14.6963 | ||
| Conversion factor | × 33.4009 | ||
Facility rate, Wisconsin$490.87
Explore RVUs, geographic factors and the full formula
Facility
| Component | RVU | Local GPCI |
|---|---|---|
| Work | 5.9 | 1 |
| Practice expense | 8.42 | 0.958 |
| Malpractice | 2.37 | 0.308 |
(5.9 × 1 + 8.42 × 0.958 + 2.37 × 0.308) × $33.4009 = $490.87
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.
61885 billing questions
How is this code distinguished from 61886?
This code is for a generator or receiver connected to one electrode array. Code 61886 is the related choice when the connection is to two or more arrays.
Does this code include implantation of the brain electrode?
It represents the generator or receiver service and its connection to the array. When intracranial electrode implantation is also performed, the applicable electrode-placement code may be reported for that distinct service.
What documentation supports reporting this code?
Document insertion or replacement of the generator or receiver and the connection to one electrode array. The operative note should make clear the number of arrays connected.
How does the global period affect postoperative billing?
The 90-day global includes the day-before preoperative visit and 90 days of related postoperative care. CMS applies the multiple-procedure reduction when other procedures are performed in the same session.
Can modifier 50 be used for a bilateral service?
When the service is bilateral and reported with modifier 50, CMS pays it at 150%. Assistant-at-surgery payment requires documentation of medical necessity.
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.
6,89861867,,Implant neuroelectrode,A,,32.20,20.26,NA,20.26,,13.60,66.06,66.06,0,090,0.11,0.76,0.13,2,1,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
6,89961868,,Implant neuroelectrde addl,A,,7.71,2.70,NA,2.70,,3.24,13.65,13.65,0,ZZZ,0.00,0.00,0.00,0,0,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
6,90061880,,Revise/remove neuroelectrode,A,,6.78,8.93,NA,8.93,,2.84,18.55,18.55,0,090,0.11,0.76,0.13,2,1,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
6,90161885,,Insrt/redo neurostim 1 array,A,,5.90,8.42,NA,8.42,,2.37,16.69,16.69,0,090,0.11,0.76,0.13,2,1,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
6,90261886,,Implant neurostim arrays,A,,9.68,14.17,NA,14.17,,4.03,27.88,27.88,0,090,0.11,0.76,0.13,2,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
6,90361888,,Revise/remove neuroreceiver,A,,5.10,4.93,NA,4.93,,2.04,12.07,12.07,0,010,0.10,0.80,0.10,2,1,1,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
6,90461889,,Ins sk-mnt crnl nstm pg/rcvr,A,,25.11,16.68,NA,16.68,,10.61,52.40,52.40,0,090,0.11,0.76,0.13,2,1,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
10802402,WA,02,SEATTLE (KING CNTY),1.050,1.227,0.817
10902402,WA,99,REST OF WASHINGTON,1.013,1.053,0.761
11011402,WV,16,WEST VIRGINIA,1.000,0.869,1.431
11106302,WI,00,WISCONSIN,1.000,0.958,0.308
11203602,WY,21,WYOMING**,1.000,1.000,0.740
113"MAC Assignments as of November 22, 2023",,,,,,
114,,,,,,