CPT 98977: RTM musculoskeletal
The monthly device-supply code for musculoskeletal monitoring such as exercise adherence and pain or range-of-motion tracking. It requires data on at least 16 days in a 30-day period.
CPT 98977 at a glance
- Time threshold
- At least 16 days of data in a 30-day period
- Who performs it
- Device supplied and data collected; no staff time threshold
- How often
- Once per 30-day period per patient
- Approx. 2026 national rate
- ~$40 per month
The 2026 short-window musculoskeletal supply code 98985 covers 2 to 15 days; it is not reported together with this code for the same period.
What the record needs to show
- Setup already documented (98975) and an active RTM order
- A data log showing the days with musculoskeletal data
- Consent on file
Common billing mistakes
- Billing with fewer than 16 data days when a shorter-window code applies
- Using it for physiologic vitals that belong under RPM
Where Zenith fits
Your practice stays the billing provider for CPT 98977. Zenith supplies trained clinical staff who do the work inside your EHR and invoice your practice for the labor. Zenith does not bill Medicare. See Remote Therapeutic Monitoring for how the program runs.
Educational summary, not billing or legal advice. Rates are 2026 Medicare national averages and vary by locality and payer. Confirm current rules in the CMS Physician Fee Schedule and with your Medicare Administrative Contractor.