Updates · Fiscal year
FY2026 coding changes
FY2026 · HISTORICALOctober 1, 2025 – September 30, 2026
Every release that takes effect in fiscal year 2026 (October 1, 2025 – September 30, 2026): the recorded code changes of each, with the counts their release pages print; the grouper and editor versions in force; the guides verified against FY2026; and the answers published under it.
FY2026 is a historical release, in effect October 1, 2025 – September 30, 2026. FY2027 has been in force since October 1, 2026.
Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 20, 2026 · All releases and sources
Releases in force during FY2026
| Data set | Release | Status today | In effect |
|---|---|---|---|
| ICD-10-CM | FY2026 | Historical | October 1, 2025 – September 30, 2026 |
| ICD-10-PCS | FY2026 | Historical | October 1, 2025 – March 31, 2026 |
| ICD-10-PCS | FY2026 (April) | Historical | April 1, 2026 – September 30, 2026 |
| HCPCS | July 2026 | Historical | July 1, 2026 – September 30, 2026 |
| MS-DRG | v43 | Historical | October 1, 2025 – September 30, 2026 |
| MS-DRG grouper rule data | V430 | Historical | October 1, 2025 – March 31, 2026 |
| MS-DRG grouper rule data | V431 | Historical | April 1, 2026 – September 30, 2026 |
Recorded changes taking effect in FY2026
ICD-10-CM FY2026Historical release
Effective October 1, 2025 · 614 added · 12 deleted · 44 description revised · 44 short description revised · 16 billable → non-billable
Added codes (614)Deleted codes (12)Revised descriptions (44)Billable to non-billable (16)Changes by chapter
ICD-10-PCS FY2026Historical release
Effective October 1, 2025 · 156 added · 27 deleted
ICD-10-PCS FY2026 (April)Historical release
Effective April 1, 2026 · 80 added · 2 deleted
HCPCS Level II October 2025Historical release
Effective October 1, 2025 · 73 added · 7 deleted (terminated)
HCPCS Level II January 2026Historical release
Effective January 1, 2026 · 171 added · 95 deleted (terminated)
CMS effective dates in this quarter: January 1, 2026, January 23, 2026
HCPCS Level II April 2026Historical release
Effective April 1, 2026 · 51 added · 6 deleted (terminated)
HCPCS Level II July 2026Historical release
Effective July 1, 2026 · 40 added · 1 deleted (terminated)
MS-DRG v43Historical release
Effective October 1, 2025 · 5 DRGs added · 6 DRGs deleted · 6 titles revised
MS-DRG v43.1Historical release
Effective April 1, 2026 · No change of the recorded kinds
No DRGs added, deleted, or retitled
Guides verified against FY2026
- What Does an MUE Adjudication Indicator of 1, 2 or 3 Change?· CMS Rules & Edits
Guides that record a rule change in FY2026
- How Many ICD-10-CM Codes Are There? Counts by Fiscal Year, FY2016 to FY2027· Code Relationships & Conventions487 new valid codes, 28 removed; 98,186 entries and 74,719 valid codes.
- Which ICD-10-CM Chapters Carry the Most Excludes1 Notes? A Census of the Tabular List· Code Relationships & Conventions5,407 Excludes1 and 2,520 Excludes2 lines.
Answers published under FY2026
- A single-level open posterior lumbar interbody fusion is done with a patient-specific cage the surgeon describes as designed from the patient’s own CT. Does the new FY2027 device value apply, and what makes it the right one?· September 14, 2026
- The admitting note says “COPD exacerbation triggered by pneumonia.” Is that J44.0, J44.1, or both, and where does the pneumonia code go?· September 13, 2026
- A patient had a right breast malignancy excised five years ago and has had no treatment since. Is C50.911 still reported, or is this Z85.3?· September 12, 2026
- A patient comes in for a routine screening mammogram and the study shows a lump in the right breast. Does the finding take over as the first-listed code?· September 12, 2026
- The patient is febrile and tachycardic, the lactate is raised, broad-spectrum antibiotics are running, and the blood culture is positive — but the only diagnosis written is bacteremia. Can sepsis be coded?· September 11, 2026
- A patient is seen six weeks after a total knee replacement for a routine check, and again a year later with nothing wrong. Z47.1 both times, or does the second visit become Z09?· September 11, 2026
- A patient treated six weeks ago for a closed right femoral neck fracture returns for a cast check and radiographs. Is this an orthopedic aftercare Z code?· September 10, 2026
- The operative note says “acute on chronic cholecystitis.” Section I.B.8 says to code both and sequence the acute first — so is that K81.0 followed by K81.9?· September 10, 2026
- The provider documents type 2 diabetes and hyperglycemia in the same note. Is that E11.9 with R73.9, or one code?· September 9, 2026
- The patient is admitted for symptomatic anemia, and the note reads “anemia of chronic kidney disease.” The anemia is what is being treated — can D63.1 lead?· September 9, 2026
- A chart lists hypertension and CKD stage 4, and nothing in it says whether the two are related. Is this I10 with N18.4, or a code from category I12?· September 8, 2026
- When do two individually valid ICD-10-CM codes conflict with each other?· September 6, 2026
- Is a healed acetabular fracture at a one-year follow-up coded with 7th character D or with a history code?· September 6, 2026
- Can E78.2 be assigned from lab results when the provider documents hyperlipidemia with hypertriglyceridemia, and is Z79.899 used for lipid-lowering drugs?· September 6, 2026
Every figure on this page is read from the recorded release data and the release registry. MedCoder does not generate coding changes with AI.