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AcronymDescription



APR-DRG

All Patient Refined Diagnosis Related Groups

The 3M All Patient Refined DRG (APR DRG) Classification System uses standard patient discharge information to classify patients into clinically meaningful groups, then into four severity-of-illness (SOI) and four risk-of-mortality (ROM) subclasses within each 3M APR DRG code.

The system aligns the care provided in the hospital with how it’s paid and helps organizations better understand their populations’ health across the care continuum.

3M
AR-DRG

Australian Refined Diagnosis Related Groups (AR-DRGs) is an Australian admitted patient classification system which provides a clinically meaningful way of relating the number and type of patients treated in a hospital (known as hospital casemix) to the resources required by the hospital. Each AR-DRG represents a class of patients with similar clinical conditions requiring similar hospital services.  

See site above
CCComplications or Comorbidities
HCPCS-MS-DRG

The 21st Century Cures Act requires that by January 1, 2018, the Secretary develop an informational “HCPCS version” of at least 10 surgical MS-DRGs.  Under the HCPCS version of the MS-DRGs developed for this requirement, to the extent feasible, the MS-DRG assignment for a given service furnished to an outpatient (billed using a HCPCS code) is as similar as possible to the MS-DRG assignment for that service if furnished to an inpatient (billed using an ICD-10-PCS code).

The HCPCS-MS-DRG definitions manual and software developed under the requirements of section 15001 of the 21st Century Cures Act (Public Law 114–255).

Medicare WebsiteMCCMajor Complications or ComorbiditiesMCE

Medicare Code Editor

MDCMajor Diagnostic Category
MS-DRGMedicare Severity — Diagnosis Related GroupLTC-DRG

long-term care diagnosis-related groups

The LTC-DRGs are the same DRGs used under the hospital inpatient prospective payment system (IPPS), but they have been weighted to reflect the resources required to treat the type of medically complex patients characteristic of LTCHs. Relative weights for the LTC-DRGs reflect resource utilization for each diagnosis and account for the variation in cost per discharge. Under the LTCH PPS, the LTC-DRG relative weights are updated annually for each Federal fiscal year (October 1st through September 30th) using the most recently available LTCH claims data. Beginning in FY 2008, we adopted the refined severity-adjusted DRGs that were also adopted under the IPPS, that is, the Medicare-Severity-LTC-DRGs (MS-LTC-DRGs), which continue to be weighted to account for the difference in resource use by LTCH patients.

Medicare Website



MCCMajor Complications or Comorbidities
MCE

Medicare Code Editor


MDCMajor Diagnostic Category
MS-DRGMedicare Severity — Diagnosis Related Group



Background: (from Medicare website)

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