# CPT 00540

> CPT 00540 is an anesthesia code, so Medicare has no single national rate: payment is (base units + time units) × the locality's anesthesia conversion factor — for example, about $509.95 for a 180-minute case in Dallas, TX under the Q2 2022 release, before sequestration.

## Selected release

- Release: Q2 2022 (2022 B)
- Effective: April 1 – June 30, 2022
- Status indicator: J
- Office (non-facility) national allowed amount: not published
- Facility national allowed amount: not published
- Sequestration: not applied

## RVUs and formula

- Work RVU: not published
- Office (non-facility) practice expense RVU: not published
- Facility practice expense RVU: not published
- Malpractice RVU: not published
- Conversion factor: 34.6062
- Formula: `(work_rvu × work_gpci + pe_rvu × pe_gpci + mp_rvu × mp_gpci) × conversion_factor`

## Source and citation

- Source: Physician relative value file (Q2 2022)
- CMS file: https://www.cms.gov/files/zip/rvu22b.zip
- Parsed file: PPRRVU22_APR.csv, row 5,192
- Canonical page: https://localishealth.com/cpt/00540/2022/B
- Release-specific citation URL: https://localishealth.com/cpt/00540/2022/B
- Last significant update: 2026-08-04T03:11:36+00:00