M1458 — Patient died prior to the end of the performance period
M1458 is a HCPCS Level II code for patient died prior to the end of the performance period. 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 M1458
- Long descriptor
- Patient died prior to the end of the performance period
- Short descriptor
- Pt died bef end meas pd
- 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 M1458
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If M1458 is not quite right, the correct code is very often within a few positions of it.
- 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
- M1452Patient ever had a diagnosis of dementia
- 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
- 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
- M1461Patient diagnosis for chronic hepatitis c
- M1462Patients with clinical indications for imaging of the head
- M1463Documentation of at least two attempts to follow up with patient within 180 days of treatment
- M1464No documentation of at least two attempts to follow up with patient within 180 days of treatment
- M1465Patient follow up more than 180 days after treatment
- M1466Patient had a lumbar fusion on the same date as the discectomy/laminectomy procedure
Questions about M1458
What is HCPCS code M1458?
M1458 is a HCPCS Level II code for patient died prior to the end of the performance period. It sits in the Medical Services section.
Does Medicare cover M1458?
The CMS HCPCS file marks M1458 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 M1458 paid under the physician fee schedule?
M1458 carries PFS status code M. Measurement code. Used for reporting purposes only; never paid.