--- title: "[MI/URSA-CORE] CMS GEM ICD-9-CM Procedure Codes and ICD-10-PCS Codes" slug: "mi-ursa-core-cms-gem-icd-9-cm-procedure-codes-and-icd-10-pcs-codes" updated: 2026-11-04T20:15:31Z published: 2026-11-04T20:15:31Z canonical: "docs.ursahealth.com/mi-ursa-core-cms-gem-icd-9-cm-procedure-codes-and-icd-10-pcs-codes" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.ursahealth.com/llms.txt > Use this file to discover all available pages before exploring further. # [MI/URSA-CORE] CMS GEM ICD-9-CM Procedure Codes and ICD-10-PCS Codes ## Object Description One record per General Equivalence Mapping (GEM) for ICD-9-CM and ICD-10-PCS procedure codes. The sources for this object are CMS ICD-10-PCS codes and CMS ICD-9-CM Diagnosis and Procedure Codes. Ursa Studio Update Cadence: Annually ## Metadata - **Table Name**: ursa.mi_ursa_core_122 - **Layer**: METADATA_AND_INTEGRATION - **Object Type**: Ursa Reference - **Temporal Class**: Entity - **Case ID**: ICD-9-CM Code, ICD-10-PCS Code - **Primary Key**: ICD-9-CM Code, ICD-10-PCS Code ## Published Fields - **[No Field Group]** - ICD-9-CM Code - ICD-10-PCS Code - Is Approximate Match - ICD-10-PCS Rank Within ICD-9-CM - ICD-9-CM Rank Within ICD-10-PCS