# CPT 90868

> Not at a published national rate. CPT 90868 carries status C (carrier-priced) in the Q4 2021 release. Your Medicare Administrative Contractor prices this code case by case, usually after reviewing documentation. Treat the blank amount as unpriced, not as $0.

## What it is

One treatment session of transcranial magnetic stimulation (TMS), a non-invasive therapy in which a magnetic coil held against the scalp induces electrical activity in a targeted area of the brain. This code covers the routine sessions that follow the initial visit, where the settings and coil position have already been established. The first session in a course is reported differently because it includes mapping the brain target and finding the patient's stimulation threshold; a separate code covers later sessions where that threshold has to be re-measured. A full course typically runs daily over several weeks, so most sessions in a course fall under this code.

## Selected release

- Release: Q4 2021 (2021 D)
- Effective: October 1 – December 31, 2021
- Status indicator: C
- 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: 34.8931
- Formula: `(work_rvu × work_gpci + pe_rvu × pe_gpci + mp_rvu × mp_gpci) × conversion_factor`

## Source and citation

- Source: Physician relative value file (Q4 2021)
- CMS file: https://www.cms.gov/files/zip/rvu21d.zip
- Parsed file: PPRRVU21_OCT.csv, row 15,861
- Canonical page: https://localishealth.com/cpt/90868/2014/B
- Release-specific citation URL: https://localishealth.com/cpt/90868/2021/D
- Last significant update: 2026-08-04T03:10:59+00:00