Dec 31, 2026
Last global date
- A 2026 delivery keeps its 2026 global code even when postpartum runs into January [2]
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The Coding Operator · Issue 1, November 2026
CPT 2027: 299 new codes, 80 deleted, one date to get right
Short answer: CPT 2027 lands January 1 with 453 editorial changes. What matters is where the structure changed: 17 maternity deletions and 63 others that reject on 2027 dates of service, 10 new AI codes under Appendix S, and the December charge master work that keeps January clean.
Released Sep 9, 2026 · effective Jan 1, 2027
Symposium · Nov 18 to 20
Edition
Issue 1 · Nov 2026
Focus
CPT 2027
Metric
453 changes
Codes
299 new · 80 deleted
Effective date
Jan 1, 2027
Length
5 min read
453changes
299 new, 74 revised, 80 deleted, effective January 1 [1]
17deleted
Maternity codes, including 59400, 59510 and 59610; antepartum and postpartum move to E/M [2]
43AI codes
AI-related codes after 10 additions, organized by Appendix S [1]
Dec 312026
Last date of service for the global maternity codes [2]
Structural changes break templates, not descriptors
CPT 2027 editorial changes by type
299New codes, 66.0%
74Revised, 16.3%
80Deleted, 17.7%
| Section | What changed | Who feels it |
|---|---|---|
| Maternity care | 17 deleted, 12 added, 6 revised; antepartum and postpartum move to per-encounter E/M | OB-GYN, family medicine, hospital OB |
| AI services | 10 new AI-related codes, 43 in total, under Appendix S | Radiology, cardiology, ophthalmology |
| Ventricular assist devices | New and revised guidelines; three new LVAD codes | Cardiac surgery |
| Diaphragmatic hernia repair | Nine new codes: open, laparoscopic, thoracoscopic | General and thoracic surgery, ASCs |
| Prostate biopsy | Updated codes and guidelines | Urology |
| Biofeedback | New time-based structure | Therapy, pelvic health, behavioral health |
| Sleep medicine | Six new unattended sleep study codes | Sleep labs, home testing |
| Radiology | New and revised codes; head and neck MRA table | Imaging |
AMA release, September 9, 2026 [1]. CPT and RBRVS 2027 Symposium, November 18 to 20: send one coder.
A revised descriptor still pays; a deleted code rejects as invalid before medical necessity is read [2]
5905059400594095941059425594265943059510595145951559525596105961259614596185962059622
59080 / 59081
Initial labor day
- Straightforward and complex, once per facility admission [2]
E/M
Antepartum and postpartum
- Per encounter under current E/M rules [2]; scenarios in the maternity transition playbook
Appendix S decides whether software work bills on its own
| Category | What the software does | What the clinician does |
|---|---|---|
| Assistive | Provides clinically relevant data without deriving a parameter or generating an interpretation | Interprets and reports; the output requires physician or QHP interpretation |
| Augmentative | Produces a quantitative or categorical parameter that is qualitatively different from the input | Interaction optional; physician work typically captured by existing codes such as E/M |
| Autonomous (Levels I to III) | Derives parameters and independently generates clinically meaningful interpretations without concurrent physician or QHP involvement | Level I decides whether to implement; Level II can stop the action; Level III oversees and reviews performance |
AMA, CPT Appendix S [3]
Many AI services are Category III codes with no national Medicare value: payer policy before charge; see the AI codes explainer. Also proposed for January 1: $32.84 per RVU (down 1.68 percent) and 50 percent on every same-day service but the most expensive when an office E/M and a global share a date [4]: the same-day E/M insight.
ASP update
Our autonomous coding rule packs are being rebuilt against CPT 2027, maternity and hernia families in review-only mode through January. The ASC engine is still a pilot: 79.5 to 86.1 percent on one client's QA, CPT 95.3 percent, secondary diagnoses 53.5 percent, so we publish the split, not one number. How the rule library refreshes: the coding engine page.
Join your charge master to the deletion list
- 1
Pull one code list: charge master, payer fee schedules, EHR order sets
- 2
Match against the 80 deletions and 74 revisions; the 17 maternity codes are the bulk
- 3
Per hit: owner, replacement code or E/M rule, go-live date in that system
Then, before December
End-date the deletion matches for dates of service after December 31, 2026Then every EHR template and claim edit that references one.
Run the ABA checklist if the adaptive behavior family is in your bookABA CPT 2027 preparation checklist.
Frequently asked questions
When does CPT 2027 take effect?
January 1, 2027. The AMA released the code set on September 9, 2026 with 299 new codes, 74 revisions and 80 deletions. Deleted codes reject on 2027 dates of service, so charge master end-dating has to be done in December.
Which CPT codes are deleted for maternity care in 2027?
59050, 59400, 59409, 59410, 59425, 59426, 59430, 59510, 59514, 59515, 59525, 59610, 59612, 59614, 59618, 59620 and 59622. Twelve new codes replace them and antepartum and postpartum care are reported per encounter with E/M codes.
How many AI codes are in CPT 2027?
43 AI-related codes, including 10 added for 2027. They follow the Appendix S taxonomy of assistive, augmentative and autonomous services, which determines whether the software work is reported separately or captured in the physician's existing codes.
- AMA press release, AMA releases CPT 2027 code set (September 9, 2026): counts by type, section highlights, symposium dates
- AMA, CPT 2027 maternity care services code changes: deleted, new and revised codes
- AMA, CPT Appendix S: Taxonomy for Artificial Intelligence in Medical Services and Procedures
- CMS fact sheet, CY 2027 Medicare Physician Fee Schedule Proposed Rule (July 14, 2026): conversion factor, same-day E/M and global procedure proposal
Checked October 25, 2026. Rules change; confirm against the source before relying on them. Items marked proposed are not final until the final rule publishes.
Want the CPT 2027 crosswalk run on your charge master?
We join your code list to the 453 changes, end-date the deletions, map the replacements and hand back an owner list by system before December.