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Billing code 31300: Laryngeal lesion removalMedicare rate & RVUs

Reports open surgical removal of a laryngeal tumor or lesion through a laryngotomy when the surgeon uses an open rather than endoscopic approach.

CMS RVU26DEffective Oct 1, 2026109 payment localities55 Medicare services in 2024

Medicare pays $1,121.60 for 31300 nationally in a facility.

Medicare rate · 31300

Laryngeal lesion removal

Work RVUs
15.51
Total RVUs
33.58
Global days
090

National rate · 2026

$1,121.60

Facility setting, before claim adjustments.

See every locality for 31300 →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 31300 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 31300 covers

An otolaryngologist or head and neck surgeon uses an open laryngotomy to reach and remove a tumor or other lesion of the larynx. The operation is generally performed in an operating room, often in a hospital facility, when the lesion is treated through an open surgical exposure rather than removed endoscopically. The excised tissue is typically submitted for pathologic examination.

Report this service when the operative note supports open access to the larynx and removal of a lesion; distinguish it from endoscopic excision and from partial or total laryngectomy. The code has a 90-day global period, including the day-before preoperative visit and related postoperative care during the 90 days after surgery. 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. Modifier 50 is not appropriate. An assistant at surgery may be paid; co-surgeon payment requires 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 31300 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

31300 office and facility rates by payment locality
Payment localityOfficeFacility
AlabamaUnavailable$1,022.83
Alaska*Unavailable$1,381.06
ArizonaUnavailable$1,094.36
ArkansasUnavailable$1,010.53
AtlantaUnavailable$1,146.78
AustinUnavailable$1,144.66
BakersfieldUnavailable$1,152.62
Baltimore/Surr. CntysUnavailable$1,186.33
BeaumontUnavailable$1,068.72
BrazoriaUnavailable$1,104.39

31300 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
31300 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 31300 rate is calculated

Each of 31300’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 · 31300

RVUs × geographic indexes × conversion factor

Work15.51

15.51 RVUs× 1.000 GPCI

Practice expense15.81

15.81 RVUs× 1.000 GPCI

Malpractice2.26

2.26 RVUs× 1.000 GPCI

Adjusted RVUs

33.5800

Conversion factor

$33.4009

Medicare rate

$1,121.60

Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.

Payment rules and modifiers for 31300

31300 has a 90-day global period: related visits in that window are included in the surgery payment.

CMS payment indicators · 31300

Laryngeal lesion removal

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)0The 150% bilateral adjustment doesn’t apply.
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)0.10/0.76/0.14Share of the payment for pre-op, the procedure itself, and post-op care.

Global surgery period · 31300

Laryngeal lesion removal

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.

  • 24Unrelated E/M visit by the same physician
  • 79Unrelated procedure (starts its own global period)
  • 58Staged, more extensive, or therapy procedure that was planned
  • 78Unplanned 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 51 · payment effect

With and without the modifier

31300 without 51 · national facility

$1,121.60

Laryngeal lesion removal

31300-51 · Second procedure: 50%

$560.80

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

31300 compared with similar codes

Compare codes · National

4 codes, side by side

  • 31300

    Laryngeal lesion removal15.51 wRVU

    Not priced

  • 31540

    Laryngeal excision4.02 wRVU

    Not priced

  • 31367

    Partial laryngectomy29.81 wRVU

    Not priced

  • 31360

    Laryngectomy29.16 wRVU

    Not priced

How to choose

31540Laryngeal excision
31300 describes open laryngotomy access to remove a lesion. Choose 31540 for operative endoscopic laryngeal excision.
31367Partial laryngectomy
31367 is a partial laryngectomy code; 31300 describes lesion removal through laryngotomy without describing a partial laryngectomy.
31360Laryngectomy
31360 represents total laryngectomy. Use 31300 when the operation removes a laryngeal lesion without removing the entire larynx.

Codes related to 31300

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

Codes related to 31300
CodeHow it relatesNational office range
Used instead
31540Laryngeal excisionEndoscopic operative laryngoscopy with lesion excision, rather than open laryngotomy access.No office rate
31367Partial laryngectomyA partial laryngectomy option when the operative extent is a partial laryngeal resection.No office rate
31360LaryngectomyTotal laryngectomy for an operation that removes the larynx rather than an isolated lesion.No office rate
31365LaryngectomyA more extensive laryngeal removal option when the documented operation includes radical neck dissection.No office rate

31300 billing questions

How is this different from endoscopic laryngeal lesion excision?

Use 31300 when the surgeon reaches the larynx through an open laryngotomy. Direct operative laryngoscopy codes describe endoscopic access.

When should a partial laryngectomy code be considered instead?

Choose a partial laryngectomy code when the documented operation removes part of the larynx as a resection, rather than removing a lesion through laryngotomy.

What documentation supports 31300?

The operative report should establish the open laryngotomy approach, identify the laryngeal lesion, and describe its removal. A pathology report may support the submitted specimen but does not replace the operative details.

Can modifier 50 be used for lesions involving both sides?

No. Modifier 50 is not appropriate for this service.

How does the 90-day global period affect follow-up billing?

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

Can an assistant or co-surgeon be reported?

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 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 31300PPRRVU2026_Oct_nonQPP.csv, line 3,555 (RVU26D)

Open CMS sourceHow we calculate rates

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