$204.30
Use 41005 for an intraoral vestibular collection. This code is for drainage of a retropharyngeal or parapharyngeal space.
On this page
CMS RVU26D · Effective 2026-10-01
41009 Abscess drainage Medicare reimbursement rates in Mississippi
Reports surgical drainage through the mouth for a deep infection involving the retropharyngeal or parapharyngeal space. Compare 41009 office and facility rates across CMS payment localities in Mississippi.
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 41009 in Mississippi?
Mississippi 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
$387.56
1 of 1 localities have a supported rate.
Payment area: Mississippi
One mapped payment locality.
Facility setting
$242.33
1 of 1 localities have a supported rate.
Payment area: Mississippi
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.
Oral surgery
About 41009: Intraoral deep pharyngeal space drainage
Reports surgical drainage through the mouth for a deep infection involving the retropharyngeal or parapharyngeal space.
This service drains a deep collection in the retropharyngeal or parapharyngeal space through an intraoral approach. It is typically performed by an oral and maxillofacial surgeon or another surgeon treating a deep head-and-neck infection, often in an operating-room setting. A common clinical context is spread of an odontogenic infection into a deep pharyngeal space; the documented space and surgical route distinguish this service from drainage of an oral vestibule or floor-of-mouth collection.
Report the code when the operative record supports drainage of the specified deep space by the intraoral route. Document the involved anatomy, approach, and findings. CMS classifies the service as major surgery with 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 procedure is paid in full and other procedures receive the standard multiple-procedure reduction. Modifier 50 is inappropriate. Assistant-at-surgery payment requires documented medical necessity; co-surgeons and team surgery are not permitted.
CMS billing rules for 41009
- 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 adjustment does not apply; the descriptor or anatomy makes modifier 50 inappropriate.
- 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 RVU3.62 · 28%
- Practice expense (office) RVU8.86 · 68%
- Malpractice RVU0.48 · 4%
102
Medicare services in 2024 · #4865 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.
41009 compared with similar codes
Office rates for Mississippi, from the same CMS release.
$314.11
Use 41006 when the documented collection is in the floor of the mouth. This code identifies a deeper pharyngeal-space site.
$492.95
Both concern deep pharyngeal-space drainage, but the approach differs: this code is intraoral, while 41018 is extraoral.
Compare 41009 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
Mississippi →
Office / nonfacility
$387.56
Facility
$242.33
Need rates for a whole code list?
Fee-sheet and API access are in early access. Tell us which codes and locations your team needs.
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 41009 in Mississippi.
PPRRVU2026_Oct_nonQPP.csv
4,887
- Code
- 41009
- Physician work
- 3.62
- Practice expense
- 8.86
- Malpractice
- 0.48
GPCI2026.csv
67
- Locality
- Mississippi
- Physician work
- 1.000
- Practice expense
- 0.861
- Malpractice
- 0.739
| Component | RVU | Locality factor | Adjusted |
|---|---|---|---|
| Physician work | 3.62 | × 1.000 | 3.6200 |
| Practice expense | 8.86 | × 0.861 | 7.6285 |
| Malpractice | 0.48 | × 0.739 | 0.3547 |
| Total RVUs | 11.6032 | ||
| Conversion factor | × 33.4009 | ||
Office / nonfacility rate, Mississippi$387.56
Explore RVUs, geographic factors and the full formula
Office / nonfacility
| Component | RVU | Local GPCI |
|---|---|---|
| Work | 3.62 | 1 |
| Practice expense | 8.86 | 0.861 |
| Malpractice | 0.48 | 0.739 |
(3.62 × 1 + 8.86 × 0.861 + 0.48 × 0.739) × $33.4009 = $387.56
Facility
| Component | RVU | Local GPCI |
|---|---|---|
| Work | 3.62 | 1 |
| Practice expense | 3.81 | 0.861 |
| Malpractice | 0.48 | 0.739 |
(3.62 × 1 + 3.81 × 0.861 + 0.48 × 0.739) × $33.4009 = $242.33
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.
41009 billing questions
How does this differ from code 41018?
The key distinction is the surgical route: this code describes intraoral access to a retropharyngeal or parapharyngeal space. Code 41018 is for drainage of a deep pharyngeal space by an extraoral approach.
When would 41005 or 41006 be more appropriate?
Choose based on the collection's documented location. Those codes describe drainage in the oral vestibule or floor of the mouth, rather than a retropharyngeal or parapharyngeal space.
What documentation supports reporting this code?
The operative note should identify the retropharyngeal or parapharyngeal space involved and state that drainage was performed through an intraoral approach.
Does the 90-day global period include related postoperative care?
Yes. CMS includes the day-before preoperative visit and 90 days of related postoperative care in this major-surgery global period.
Can modifier 50 be reported for bilateral drainage?
No. CMS identifies bilateral adjustment as inappropriate for this code.
How are other procedures in the same session paid?
Under the standard multiple-procedure reduction, the highest-valued procedure is paid in full and other procedures are paid at 50%. Assistant-at-surgery payment requires documented 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.
4,88441006,,Drainage of mouth lesion,A,,3.26,6.81,,2.81,,0.38,10.45,6.45,0,090,0.09,0.81,0.10,2,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4,88541007,,Drainage of mouth lesion,A,,3.12,6.60,,2.70,,0.36,10.08,6.18,0,090,0.09,0.81,0.10,2,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4,88641008,,Drainage of mouth lesion,A,,3.37,8.55,,3.47,,0.49,12.41,7.33,0,090,0.09,0.81,0.10,2,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4,88741009,,Drainage of mouth lesion,A,,3.62,8.86,,3.81,,0.48,12.96,7.91,0,090,0.09,0.81,0.10,2,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4,8884100F,,Biphos thxpy vein ord/recvd,I,,0.00,0.00,,0.00,,0.00,0.00,0.00,9,XXX,0.00,0.00,0.00,9,9,9,9,9,9,,33.4009,09,0,99,0.00,0.00,0.00
4,88941010,,Incision of tongue fold,A,,1.08,5.07,,1.83,,0.16,6.31,3.07,0,010,0.10,0.80,0.10,2,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4,89041015,,Drainage of mouth lesion,A,,3.98,7.86,,3.95,,0.45,12.29,8.38,0,090,0.09,0.81,0.10,2,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
6408202,MI,01,DETROIT,1.000,0.965,1.686
6508202,MI,99,REST OF MICHIGAN,1.000,0.913,1.129
6606202,MN,00,MINNESOTA,1.000,1.029,0.296
6707302,MS,00,MISSISSIPPI,1.000,0.861,0.739
6805302,MO,02,METROPOLITAN KANSAS CITY,1.000,0.939,0.977
6905302,MO,01,METROPOLITAN ST. LOUIS,1.000,0.952,1.002
7005302,MO,99,REST OF MISSOURI,1.000,0.862,0.974