M1452 — Patient ever had a diagnosis of dementia
M1452 is a HCPCS Level II code for patient ever had a diagnosis of dementia. It belongs to the Medical Services section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusM
Measurement code. Used for reporting purposes only; never paid.
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
The CMS record for M1452
- Long descriptor
- Patient ever had a diagnosis of dementia
- Short descriptor
- Pt dx dementia ever
- Added
- January 1, 2026
- BETOS
- Z2
- Pricing indicator
- 00 — Not priced by Part B
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to M1452
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If M1452 is not quite right, the correct code is very often within a few positions of it.
- M1444Delivery at < 39 weeks of gestation
- M1445Postpartum care visit before or at 12 weeks of giving birth
- M1446Patients who died any time prior to the end of the measure assessment period
- M1447Patients with an active diagnosis of bipolar disorder any time prior to the end of the measure assessment period
- M1448Patients with an active diagnosis of personality disorder any time prior to the end of the measure assessment period
- M1449Patients with an active diagnosis of schizophrenia or psychotic disorder any time prior to the end of the measure assessment period
- M1450Patients who received hospice or palliative care service any time during denominator identification period or the measure assessment period
- M1451Patients with an active diagnosis of pervasive developmental disorder any time prior to the end of the measure assessment period
- M1453Patients with a pre-operative visual acuity better than 20/40
- M1454New cied
- M1455Replaced or revised cied
- M1456Patient had a heart transplant
- M1457Patient had a diagnosis of asthma with any contact during the current or prior performance period or had asthma present on an active problem list any time during the performance period
- M1458Patient died prior to the end of the performance period
- M1459Patient was in hospice or receiving palliative care services at any time during the performance period
- M1460Diagnosis for chronic obstructive pulmonary disease, emphysema, cystic fibrosis, or acute respiratory failure
Questions about M1452
What is HCPCS code M1452?
M1452 is a HCPCS Level II code for patient ever had a diagnosis of dementia. It sits in the Medical Services section.
Does Medicare cover M1452?
The CMS HCPCS file marks M1452 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
How is M1452 paid under the physician fee schedule?
M1452 carries PFS status code M. Measurement code. Used for reporting purposes only; never paid.