# CPT 58356

> The national PFS baseline is $1,616.60 for CPT 58356 in the office (non-facility) setting and $305.62 in a facility under the Q3 2026 Physician Fee Schedule, effective July 2026. These are the national allowed amounts before locality (GPCI) adjustment; sequestration is excluded. Across payment localities, the office amount is $1,405.46–$2,228.55 and the facility amount is $277.67–$397.41. This price has been unchanged since Q1 2026, when it increased 4.8%.

## Selected release

- Release: Q3 2026 (2026 C)
- Effective: July 1 – September 30, 2026
- Status indicator: A
- Office (non-facility) national allowed amount: $1616.60
- Facility national allowed amount: $305.62
- Sequestration: not applied

## RVUs and formula

- Work RVU: 6.25
- Office (non-facility) practice expense RVU: 41.05
- Facility practice expense RVU: 1.80
- Malpractice RVU: 1.10
- Conversion factor: 33.4009
- Formula: `(work_rvu × work_gpci + pe_rvu × pe_gpci + mp_rvu × mp_gpci) × conversion_factor`

## NCCI edits

- Never-billable pair count: 100
- Modifier-allowed pair count: 166
- MUE units per patient per date of service: not published
- Complete list: https://localishealth.com/cpt/58356/ncci-edits.txt

## Source and citation

- Source: Physician relative value file (Q3 2026)
- CMS file: https://www.cms.gov/files/zip/rvu26c-updated-06-30-2026.zip
- Parsed file: PPRRVU2026_Jul_nonQPP.csv, row 6,490
- Canonical page: https://localishealth.com/cpt/58356
- Release-specific citation URL: https://localishealth.com/cpt/58356/2026/C
- Last significant update: 2026-08-11T00:15:57+00:00