# CPT 00550

> CPT 00550 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 $412.10 for a 240-minute case in Dallas, TX under the Q1 2013 release, before sequestration.

## Selected release

- Release: Q1 2013 (2013 A)
- Effective: January 1 – March 31, 2013
- 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: 25.0008
- Formula: `(work_rvu × work_gpci + pe_rvu × pe_gpci + mp_rvu × mp_gpci) × conversion_factor`

## Source and citation

- Source: Physician relative value file (Q1 2013)
- CMS file: https://www.cms.gov/medicare/medicare-fee-for-service-payment/physicianfeesched/downloads/rvu13a.zip
- Parsed file: PPRRVU13.csv, row 3,991
- Canonical page: https://localishealth.com/cpt/00550/2013/A
- Release-specific citation URL: https://localishealth.com/cpt/00550/2013/A
- Last significant update: 2026-09-14T15:21:59+00:00