CPT code 00300: Head and neck anesthesia, skin, muscle, and nerve procedures2026 Medicare rate & RVUs in Florida
Anesthesia for operations on skin, muscle, or nerves of the head, neck, or posterior trunk when a more specific anesthesia code does not fit.
CMS doesn’t publish an office rate for 00300 in Florida.
Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.
Your location
On this page 9 sections
What 00300 covers
This service covers anesthesia for operations involving skin, muscles, or nerves in the head, neck, or posterior trunk. Typical cases include removal or repair of skin lesions on the scalp, face, or back, and surgery involving muscles or nerves in these regions. An anesthesiologist or CRNA provides and reports the anesthesia service in settings such as a hospital operating room or ambulatory surgery center; the surgeon reports the operation separately.
Choose this code for the specified tissues and regions, rather than 00320 for other neck procedures or the more specific categories for thyroid needle biopsy, larynx or trachea surgery in a child under one year, or major neck-vessel surgery. The operative report should identify the site, tissue, and procedure, while the anesthesia record supports the service and its minutes. This code has 5 base units; Medicare payment is (base units plus time units) multiplied by the locality’s anesthesia conversion factor. Time runs from when anesthesia preparation begins until personal attendance ends and the patient can safely be placed under postoperative care; CMS converts minutes into 15-minute time units to one decimal place, and the conversion factor varies by locality.
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 00300 pays more and less in Florida
The same RVUs, adjusted for each area’s costs. Open a locality for its calculation, history and nearby areas.
| Payment locality | Office | Facility |
|---|---|---|
| Fort Lauderdale, FL | Unavailable | Unavailable |
| Miami, FL | Unavailable | Unavailable |
| Rest of Florida | Unavailable | Unavailable |
How the 00300 rate is calculated
Each of 00300’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 · 00300
RVUs × geographic indexes × conversion factor
Work0.00
0.00 RVUs× 1.000 GPCI
Practice expense0.00
0.00 RVUs× 1.000 GPCI
Malpractice0.00
0.00 RVUs× 1.000 GPCI
Adjusted RVUs
0.0000
Conversion factor
$33.4009
Medicare rate
$0.00
Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.
Payment rules and modifiers for 00300
00300 has no global surgery period, no multiple-procedure, bilateral or assistant-at-surgery adjustment, and no professional/technical split. What changes the payment is where the service happens: the place of service on the claim decides whether Medicare pays the office or the facility rate.
Place of service · 00300
Which rate does Medicare pay?
The POS code on the claim line (CMS-1500 box 24B).
POS 11 · non-facility rate · national
—
00300 isn’t priced in this setting.
00300 compared with similar codes
Compare codes · National
5 codes, side by side
How to choose
- 00320Neck anesthesiaAge one or older
- 00300 covers skin, muscle, or nerve procedures in the listed regions. 00320 covers other neck procedures assigned to that anesthesia category.
- 00322Thyroid biopsy anesthesiaNeedle biopsy only
- Use 00322 for anesthesia during a thyroid needle biopsy; 00300 is for the specified skin, muscle, or nerve procedures.
- 00326Airway anesthesiaLarynx or trachea, under 1 year
- 00326 is for larynx or trachea surgery in a child under one year, not the procedures covered by 00300.
- 00350Neck vascular anesthesiaMajor-vessel procedures
- 00350 is for major-vessel surgery in the neck. 00300 applies to procedures on skin, muscles, or nerves in its covered regions.
00300 billing questions
When should 00300 be chosen instead of 00320?
Use 00300 for work on skin, muscles, or nerves in the head, neck, or posterior trunk. Code 00320 is for other neck procedures covered by that category.
Does this code cover the surgeon’s procedure?
No. The anesthesia practitioner reports the anesthesia service, and the surgeon reports the operation separately.
What should the records show?
The operative report should establish the anatomic site, tissue treated, and procedure performed. The anesthesia record should support the anesthesia service and its start and end times.
How are time units calculated for 00300?
Anesthesia time is recorded in minutes and converted to 15-minute units, rounded to one decimal place. The time period begins with anesthesia preparation and ends when personal attendance stops and the patient can safely enter postoperative care.
How does Medicare calculate payment for this code?
Medicare calculates anesthesia payment as base units plus time units, multiplied by the anesthesia conversion factor for the locality. Code 00300 has 5 base units.
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
Fee sheets
Put 00300 and the rest of your codes on one sheet
Your codes at your locality, with payer contracts beside Medicare.
Build my fee sheet