Billing code 41005: Oral drainageMedicare rate & RVUs in Oklahoma

Reports intraoral incision and drainage of a collection in the mouth vestibule, the space between the cheeks or lips and the gums.

CMS RVU26DEffective Oct 1, 20261 payment locality145 Medicare services in 2024

Medicare pays $210.36 for 41005 in the office in Oklahoma (Oklahoma). Which amount applies depends on the service address.

$210.36Office (non-facility)
$103.88Hospital or facility

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

We’ll open 41005 for the payment locality that covers the ZIP.

On this page 9 sections
  1. Rate in Oklahoma
  2. What 41005 covers
  3. By payment locality
  4. How it’s calculated
  5. Payment rules
  6. Similar codes
  7. Related codes
  8. Billing questions
  9. Sources

What 41005 covers

This service opens and drains a localized collection in the oral vestibule through an incision made inside the mouth. The vestibule is the space between the inner cheek or lip and the gum. A typical situation is an infection that has spread into this soft-tissue space; the target is the vestibular collection, rather than drainage confined to the tooth-bearing alveolar structures. Oral and maxillofacial surgeons, dentists, and other physicians who treat oral infections may perform it in an office, clinic, or facility setting.

Select the code based on the collection’s documented location and the intraoral approach. The record should identify the vestibular site, the incision and drainage performed, and relevant findings such as the collection’s contents. Related postoperative visits are included in the 10-day global period. 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 multiple-procedure reduction. Modifier 50 is not appropriate for this descriptor and anatomy. Assistant-at-surgery payment requires documented medical necessity; co-surgeons and team surgery are 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.

41005 in Oklahoma

41005 office and facility rates by payment locality
Payment localityOfficeFacility
Oklahoma$210.36$103.88

How the 41005 rate is calculated

Each of 41005’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 · 41005

RVUs × geographic indexes × conversion factor

Swap in your local Medicare rate.

Work 1.28Practice expense 5.48Malpractice 0.16

6.9200 adjusted RVUs×$33.4009 conversion factor=$231.13

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

Payment rules and modifiers for 41005

41005 has a 10-day global period: related visits in that window are included in the surgery payment.

CMS payment indicators · 41005

Oral drainage

RuleCMS valueWhat it means
Global period010Minor procedure: the day of the procedure plus 10 days after are included.
Multiple procedures2Standard reduction: highest-valued procedure at 100%, others at 50%.
Bilateral (modifier 50)0The 150% bilateral adjustment doesn’t apply.
Assistant at surgery (80/81/82/AS)0Not paid without supporting documentation.
Co-surgeons (62)0Not permitted.
Team surgery (66)0Not permitted.
Professional/technical0Physician service: no professional/technical split.
Split (54/55/56)0.10/0.80/0.10Share of the payment for pre-op, the procedure itself, and post-op care.

Global surgery period · 41005

Oral drainage

10-day global period ends

Oct 11, 2026

Covers Oct 1, 2026 through Oct 11, 2026 (11 days).

Visit on Oct 31, 2026

After the global period ends: visits and procedures are billed normally.

SurgeryVisit
Sep 28, 2026Oct 14, 2026

What modifiers do to the payment

Modifier 51 · payment effect

With and without the modifier

41005 without 51 · national office

$231.13

Oral drainage

41005-51 · Second procedure: 50%

$115.57

When this isn’t the highest-valued procedure in the session, Medicare pays 50% of its fee schedule amount (the highest is paid at 100%).

When to use modifier 51

41005 compared with similar codes

Compare codes

41005 vs 41000 vs 41006 vs 41015: national Medicare rates

Swap in your local Medicare rate.

  • 41005
    Oral drainage · 1.28 wRVU
    $231.13
  • 41000
    Oral abscess drainage · 1.32 wRVU
    $159.32−$71.81
  • 41006
    Mouth lesion drainage · 3.26 wRVU
    $349.04+$117.91
  • 41015
    Mouth lesion drainage · 3.98 wRVU
    $410.50+$179.37

How to choose

41000Oral abscess drainage
Use 41005 for an intraoral vestibular collection. Use 41000 when the drainage site is the dentoalveolar structures.
41006Mouth lesion drainage
Use 41006 for a collection in the floor of the mouth or the specified associated spaces; 41005 is for the mouth vestibule.
41015Mouth lesion drainage
41015 describes drainage of specified sublingual, submental, or submandibular spaces by an extraoral approach, not intraoral vestibular drainage.

41005 billing questions

How is this different from 41000?

41005 is for a collection in the mouth vestibule, between the cheek or lip and the gum. 41000 is used for drainage involving dentoalveolar structures.

Does the incision have to be made inside the mouth?

Yes. This code describes drainage of a vestibular collection by an intraoral approach.

Are related postoperative visits separately reported?

Related postoperative visits during the 10-day global period are included in the procedure.

Can modifier 50 be used for drainage on both sides?

No. The descriptor and anatomy make modifier 50 inappropriate for this code.

When can an assistant-at-surgery be paid?

Assistant-at-surgery payment is allowed only when the documentation supports medical necessity. Co-surgeons and team surgery are not permitted.

How are other procedures in the same session paid?

The highest-valued procedure is paid in full, and other procedures performed in the same session are subject to the standard multiple-procedure reduction.

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 41005PPRRVU2026_Oct_nonQPP.csv, line 4,883 (RVU26D)
Geographic factors for OklahomaGPCI2026.csv, line 86 (RVU26D)

Open CMS sourceHow we calculate rates

Did this answer your question about what 41005 pays in Oklahoma?

Tell us what you were actually trying to work out. We’ll answer you directly, or build the page that does.

Fee sheets

Put 41005 and the rest of your codes on one sheet

Build a fee sheet from your own code list at your locality, put your payer contracts beside Medicare, and see what changed each quarter.

Build my fee sheetOr price your code list free →