Knowledge Base
Billing and policy updates, decoded for billing teams
What changed, what it means for your claims and what to do about it. Each update links to the CMS source so you can check us.
Modifier 59 and X{EPSU} (XE, XS, XP, XU)
Use the most specific X modifier before defaulting to 59, never put 59 on an E/M, and load the October 1 quarterly NCCI files on time.
Read the update →CY 2027 Physician Fee Schedule Proposed Rule: Conversion Factor and Same-Day E/M Payment
Proposed conversion factors of $33.17 and $32.84, a 100%/50% rule for same-day E/M with a global procedure, and new RPM and RTM limits.
Read the update →Psychological & Neuropsychological Testing Billing (CPT 96130-96139): Recover the Denied Battery
Time logs, technician supervision, interview double-counting and medical necessity: why testing batteries get denied and the log that fixes it.
Read the article →Cardiology Device Monitoring Billing (93294-93299): Stop the 90-Day Revenue Leak
Why pacemaker and ICD remote monitoring bills once per 90 days, how the professional and technical codes split, and the roster that stops missed windows.
Read the article →DSMT Billing 2026: G0108/G0109, the Accreditation Requirement, and Why It's Not the Same Service as MNT
Why diabetes self-management education bills under its own codes, distinct from MNT and CGM, and the accreditation that has to be current first.
Read the article →Browse every guide in the Rcmaxis billing blog, or see how we work by specialty and service.
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