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CPT code 01844: Shunt anesthesia, creation or revision2026 Medicare rate & RVUs in Queens, NY

Anesthesia for creating or revising an upper-extremity vascular shunt, commonly an arteriovenous access used for hemodialysis.

CMS RVU26DEffective Oct 1, 2026One payment locality98.2K Medicare services in 2024

CMS doesn’t publish a rate for 01844 in Queens, NY.

UnavailableOffice (non-facility)
UnavailableHospital or facility

Check a contract rate as a % of Medicare · 01844 nationwide

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 01844 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Queens, NY
  2. What 01844 covers
  3. Compared with other areas
  4. Rate map
  5. How it’s calculated
  6. Payment rules
  7. Related codes
  8. Rate history
  9. Where it applies
  10. Billing questions
  11. Sources

What 01844 covers

This service covers anesthesia for surgery that creates or revises a vascular shunt, most often an arteriovenous fistula or graft used for hemodialysis access. An anesthesia practitioner provides and reports the service for the access operation, commonly in a hospital or ambulatory surgical setting. The operation may establish a new connection or address a problem with an existing shunt.

Choose 01844 for the shunt operation itself, rather than a separate artery, vein, or embolization procedure in the forearm, wrist, or hand. The operative report should identify shunt creation or revision and the access site; the anesthesia record should support the service and its start and end times. This code has 6 base units; Medicare payment is (base units + time units) × the locality’s anesthesia conversion factor. Time is counted in minutes from anesthesia preparation until personal attendance ends and the patient can safely enter postoperative care, converted to 15-minute units to one decimal place.

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.

How Queens, NY compares for 01844

01844 in Queens, NY vs other payment areas
  1. Queens, NY · this pageUnavailable
  2. Manhattan, NY · New YorkUnavailable
  3. NYC suburbs and Long Island, NY · New YorkUnavailable
  4. Poughkeepsie and northern NYC suburbs, NY · New YorkUnavailable
  5. Rest of New York · New YorkUnavailable
  6. Los Angeles, CA · CaliforniaUnavailable
  7. Washington, DC area · District of ColumbiaUnavailable

Other areas in New York first, then benchmark localities. Bars start at $0.

Every other payment area

01844 in every other Medicare payment locality
Payment localityOfficeFacility
Miami, FLFlorida——
Chicago, ILIllinois——
AlaskaAlaska——
AlabamaAlabama——
ArkansasArkansas——
ArizonaArizona——
Bakersfield, CACalifornia——
Chico, CACalifornia——

01844 rates by state

Office rate range in each state. Select a state to see its payment localities.

MEWIVTNHMTNDMNMINYMARIWAIDWYSDIAILINOHPANJCTORNVUTCONEMOKYWVVAMDDECAAZNMKSOKARTNNCSCDCTXLAMSALGAFLAKHI

Explore a state

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
01844 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

See 01844 in every payment locality

How the 01844 rate is calculated

Each of 01844’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 · 01844

RVUs × geographic indexes × conversion factor

Office or facility?

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 01844

01844 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 · 01844

Which rate does Medicare pay?

The POS code on the claim line (CMS-1500 box 24B).

POS 11 · non-facility rate · national

—

01844 isn’t priced in this setting.

Codes related to 01844

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

Codes related to 01844
CodeHow it relatesOffice range, Queens, NY
Often billed with
36821Dialysis access, direct artery-to-vein connectionSurgical code for direct arteriovenous access creation, commonly paired with anesthesia for shunt surgery.No office rate
36830AV graft creation, nonautologous graftSurgical code for arteriovenous access creation using a nonautogenous graft.No office rate
36832Fistula revision, open, without thrombectomySurgical code for open revision of an arteriovenous fistula without thrombectomy.No office rate
Used instead
01840Arterial procedure anesthesia, forearm, wrist, or handFor other arterial procedures in the forearm, wrist, or hand rather than shunt creation or revision.No office rate
01850Vein procedure anesthesia, forearm, wrist, or handFor vein procedures in the forearm, wrist, or hand that are not vascular shunt operations.No office rate

How 01844 has changed in Queens, NY

01844 · Office / nonfacility

Rate unavailable

Effective 2026-10-01

A rate is unavailable in one of these releases, so a change cannot be calculated.

Base rate by release · bars start at $0 · select a bar to compare

One bar per available release, ordered by effective date. Missing rates remain gaps. These comparisons hold the code, setting and locality identifiers constant; they do not isolate which policy or input caused a change.

What changed, release by release
Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01UnavailableUnavailableRVU26D
2026-07-01UnavailableUnavailableRVU26C
2026-04-01UnavailableUnavailableRVU26B
2026-01-01UnavailableUnavailableRVU26A
2025-10-01UnavailableUnavailableRVU25D
2025-07-01UnavailableUnavailableRVU25C
2025-04-01UnavailableUnavailableRVU25B
2025-01-01UnavailableUnavailableRVU25A
2024-10-01UnavailableUnavailableRVU24D
2024-07-01UnavailableUnavailableRVU24C
2024-04-01UnavailableUnavailableRVU24B
2024-03-09UnavailableUnavailableRVU24AR
2024-01-01UnavailableUnavailableRVU24A
2023-10-01UnavailableUnavailableRVU23D
2023-07-01UnavailableUnavailableRVU23C
2023-04-01UnavailableUnavailableRVU23B
2023-01-01UnavailableUnavailableRVU23A
2022-10-01UnavailableUnavailableRVU22D
2022-07-01UnavailableUnavailableRVU22C
2022-04-01UnavailableUnavailableRVU22B
2022-01-01UnavailableUnavailableRVU22A
2021-10-01UnavailableUnavailableRVU21D
2021-07-01UnavailableUnavailableRVU21C
2021-04-01UnavailableUnavailableRVU21B
2021-01-01UnavailableUnavailableRVU21A
2020-10-01UnavailableUnavailableRVU20D
2020-07-01UnavailableUnavailableRVU20C
2020-04-01UnavailableUnavailableRVU20B
2020-01-01UnavailableUnavailableRVU20A
2019-10-01UnavailableUnavailableRVU19D
2019-07-01UnavailableUnavailableRVU19C
2019-04-01UnavailableUnavailableRVU19B
2019-01-01UnavailableUnavailableRVU19A
2018-10-01UnavailableUnavailableRVU18D
2018-07-01UnavailableUnavailableRVU18C
2018-04-01UnavailableUnavailableRVU18B
2018-01-01UnavailableUnavailableRVU18AR1
2017-10-01UnavailableUnavailableRVU17D
2017-07-01UnavailableUnavailableRVU17C
2017-04-01UnavailableUnavailableRVU17B
2017-01-01UnavailableUnavailableRVU17A
2016-10-01UnavailableUnavailableRVU16D
2016-07-01UnavailableUnavailableRVU16C
2016-04-01UnavailableUnavailableRVU16B
2016-01-01UnavailableUnavailableRVU16A
2015-10-01UnavailableUnavailableRVU15D
2015-07-01UnavailableUnavailableRVU15C
2015-04-01UnavailableUnavailableRVU15B
2015-01-01UnavailableUnavailableRVU15A
2014-10-01UnavailableUnavailableRVU14D
2014-07-01UnavailableUnavailableRVU14C
2014-04-01UnavailableUnavailableRVU14B
2014-01-01UnavailableUnavailableRVU14A
2013-10-01UnavailableUnavailableRVU13D
2013-07-01UnavailableUnavailableRVU13C
2013-04-01UnavailableUnavailableRVU13B
2013-01-01UnavailableUnavailableRVU13AR

Price 01844 for an earlier date of service

Where the Queens, NY rate applies

Queens, NY is a Medicare payment area, not a city. Our Census mapping connects it to 1 cities and communities in New York. Some span more than one payment area; confirm with the service ZIP.

Browse all communities in New York

01844 billing questions

When should I choose 01844 instead of 01840?

Use 01844 when the operation creates or revises a vascular shunt, such as an arteriovenous dialysis access. Code 01840 is for other arterial procedures in the forearm, wrist, or hand.

Is the surgeon’s shunt procedure reported separately?

Yes. The surgeon reports the operative shunt creation or revision under the applicable surgical CPT code; 01844 represents the anesthesia service.

How are units calculated for 01844?

The code has 6 base units. Medicare adds time units, calculated from anesthesia minutes in 15-minute units to one decimal place, then applies the locality’s anesthesia conversion factor.

What should the records show?

The operative report should establish that the procedure created or revised a vascular shunt and identify the access site. The anesthesia record should support the practitioner’s service and the documented anesthesia start and end times.

Can 01844 be used for a standalone artery or vein procedure?

No. The operation must involve creation or revision of a vascular shunt; a separate arterial or venous procedure belongs under the anesthesia code describing that procedure type.

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

Open CMS sourceHow we calculate rates

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