URSA-CORE-951: Documents with Non-Standard MS-DRG Code

  • Published on Apr 10, 2026
  • 2 minute(s) read
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Measure Description

Among documents with a MS-DRG code, the percentage with a non-standard MS-DRG code value; non-standard MS-DRG code values are those that don't appear in the URSA-CORE MS-DRG code reference object.

Metadata

  • Measure Identifier: URSA-CORE-951
  • Measure Type: Rate Measure
  • Temporal Structure: Event
  • Component Class: Normal-Form
  • Denominator Case Field: Document ID
  • Target Direction: Down

Denominator Description

One per document with a non-missing MS-DRG code

Numerator Description

One per qualifying denominator observation with a non-standard MS-DRG code value; non-standard MS-DRG code values are those that don't appear in the URSA-CORE MS-DRG code reference object.

Published Fields

  • Data Model Keys

    • Document ID -- The internal database identifier (used, e.g., for joins and primary keys) for the document. (See also [URSA-CORE] Document)
    • Parent Document ID -- The document ID for the document one level above the current document in the object hierarchy, (See also [URSA-CORE] Document ID)
    • Patient ID -- The internal database identifier (used, e.g., for joins and primary keys) for the patient. This value is typically mastered, i.e., all records for the same patient, regardless of the source data system from which that record originated, should have the same Patient ID value. (Note that while the mastered Patient ID value might resemble a local identifier used in one of the upstream data sources, this does not indicate any special priority of that source system in determining the characteristics of the patient.) (See also [URSA-CORE] Patient)
    • Claim ID -- The internal database identifier (used, e.g., for joins and primary keys) for the claim. (See also [URSA-CORE] Claim)
    • Plan ID -- The identifier for a particular health insurance plan product offered by a payor.
    • Payor ID -- The identifier for the health insurance organization associated with the current record.
    • Source ID -- The identifier for the original source data system from which the current record originated.

  • Date Fields

    • Document Effective Date -- The most appropriate single date that events associated with the document occurred. For documents spanning multiple calendar days, the earliest date is typically used; Document Effective Start Date and Document Effective End Date can be used for a more precise range of dates, if necessary.
    • Segment Start Date -- The start date of the reporting segment. (See also [URSA-CORE] Reporting Segment)
    • Segment End Date -- The end date of the reporting segment. (See also [URSA-CORE] Reporting Segment)

  • Clinical Services Fields

    • ICD-10-PCS Code
    • ICD-10-PCS Description
    • HCPCS Code -- The Healthcare Common Procedure Coding System (HCPCS) code associated with a service. Includes both HCPCS Level I codes (commonly called CPT codes) and Level II codes (which includes products, supplies, and services not included in CPT). Level II codes consist of a letter followed by four numeric digits. Current Dental Terminology codes are included in the Level II codes as HCDT. (See also [URSA-CORE] HCPCS Description)
    • HCPCS Description -- The natural language description of a HCPCS code. (See also [URSA-CORE] HCPCS Code)

  • Diagnosis Fields

    • MS-DRG Code -- The standard 3-digit Medicare Severity Diagnosis Related Group code; MS-DRG codes should include leading zeros.
    • MS-DRG Description -- The natural language description of a standard 3-digit Medicare Severity Diagnosis Related Group code.
    • ICD-10-CM Code
    • ICD-10-CM Description

  • Metadata Fields

    • Document Type Description

  • Measure Fields

    • Denominator