# CPT 64493

> Medicare paid $180.64 for CPT 64493 in the office (non-facility) setting and $91.01 in a facility under the Q4 2022 Physician Fee Schedule, effective October 2022. These are the national allowed amounts before the ~2% sequestration cut and before locality (GPCI) adjustment. Across payment localities, the office amount is $159.20–$230.93 and the facility amount is $83.29–$119.41. This price has been unchanged since Q1 2022, when it decreased 1.4%.

## What it is

Lumbar or Sacral Facet Joint Injection

## Selected release

- Release: Q4 2022 (2022 D)
- Effective: October 1 – December 31, 2022
- Status indicator: A
- Office (non-facility) national allowed amount: $180.64
- Facility national allowed amount: $91.01
- Sequestration: not applied

## RVUs and formula

- Work RVU: 1.52
- Office (non-facility) practice expense RVU: 3.56
- Facility practice expense RVU: 0.97
- Malpractice RVU: 0.14
- 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 (Q4 2022)
- CMS file: https://www.cms.gov/files/zip/rvu22d.zip
- Parsed file: PPRRVU22_OCT.csv, row 11,841
- Canonical page: https://localishealth.com/cpt/64493/2022/A
- Release-specific citation URL: https://localishealth.com/cpt/64493/2022/D
- Last significant update: 2026-08-13T15:11:57+00:00