How many new CPT codes were added in 2026?

288 new CPT procedure codes were added effective January 1, 2026. The AMA also deleted 84 existing codes and revised 46 others — 418 total changes in the 2026 annual update. This is one of the largest annual CPT revisions in recent years, touching radiology, RPM, AI diagnostics, and E/M services.

How many new ICD-10-CM codes are active in 2026?

CMS added 614 new ICD-10-CM diagnosis codes effective October 1, 2025, along with 38 revisions and 28 deletions. A second quarterly inpatient procedure code update also took effect April 1, 2026, covering hospital discharges through September 30, 2026.

What happens if my practice bills a deleted CPT code?

The claim is rejected at the front-end edit level and doesn’t reach adjudication. Your billing team has to identify the correct replacement code, correct the claim, and resubmit — adding days to your collection cycle. High-volume practices with unupdated charge masters can see hundreds of these rejections per week.

Are the new RPM CPT codes covered by Medicare?

Yes. CMS supports remote patient monitoring billing. The 2026 updates created two new time-based codes — one for 2–15 days of monitoring within a 30-day period, another for 10–20 minutes of management per calendar month. Documentation requirements apply, and commercial payer coverage terms vary.

Do AI-assisted diagnostic services now have their own CPT codes?

Yes. The 2026 CPT set added explicit billing codes for AI-assisted services in cardiovascular imaging, wound assessment, and diagnostic analytics. These were previously unbillable as standalone line items. Correct documentation of the AI tool used and its clinical role is required for reimbursement.

How often does CMS update ICD-10 codes?

CMS publishes annual ICD-10-CM diagnosis code updates effective October 1 each year. CMS also issues quarterly ICD-10 inpatient procedure code updates — the most recent was April 1, 2026 — tied to National Coverage Determinations and coverage policy changes. Practices need to track both cycles.

What specialties are most affected by the 2026 code changes?

Radiology and interventional imaging faced the most structural overhaul. Remote patient monitoring programs need fully rebuilt code maps. Any practice using AI tools in cardiovascular imaging, wound care, or diagnostics now has explicit codes available — but only with the right documentation in place.

Should I outsource my medical billing to stay current on code changes?

Many practices outsource billing specifically because tracking annual CPT and ICD-10 updates is a full-time job on its own. An experienced billing partner updates code libraries before effective dates, catches errors in pre-submission scrubbing, and manages payer-specific auth requirements for new code categories — without pulling your staff away from patient care.

2026 CPT and ICD-10 Code Updates: What Every Medical Practice Must Know

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