minimal Common Oncology Data Elements (mCODE) Implementation Guide
3.0.0-ballot - 2023May United States of America flag

minimal Common Oncology Data Elements (mCODE) Implementation Guide, published by HL7 International Clinical Interoperability Council. This is not an authorized publication; it is the continuous build for version 3.0.0-ballot). This version is based on the current content of and changes regularly. See the Directory of published versions

ValueSet: TNM Primary Tumor Staging Type Value Set

Official URL: Version: 3.0.0-ballot
Active as of 2023-03-27 Maturity Level: 4 Computable Name: TNMPrimaryTumorStagingTypeVS

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Identifying codes for the type of cancer staging performed, i.e., clinical, pathological, or other, for primary tumor (T) staging observation.



The codes in this value set designate the staging observation as either clinical, pathological, or other. In AJCC terminology, clinical staging is represented by “c” or “yc” prefix, referring to staging done before first treatment, or staging done post-therapy or post-neoadjuvant therapy but before surgery. Pathological classification, represented by “p” or “yp” prefix, is used for patients if surgery is the first definitive therapy, or after neoadjuvant therapy and planned post-neoadjuvant therapy surgery. The “Other” code is meant to include staging at the time of recurrence or progression (“r” prefix), or for cancers not previously recognized and found as an incidental finding at autopsy (“a” prefix). The codes in this value set appear in the Observation.code element.

Logical Definition (CLD)



This value set contains 3 concepts

Expansion based on Loinc v2.73

  21905-5http://loinc.orgPrimary tumor.clinical [Class] Cancer
  21899-0http://loinc.orgPrimary tumor.pathology Cancer
  21911-3http://loinc.orgPrimary tumor.other [Class] Cancer

Explanation of the columns that may appear on this page:

Level A few code lists that FHIR defines are hierarchical - each code is assigned a level. In this scheme, some codes are under other codes, and imply that the code they are under also applies
System The source of the definition of the code (when the value set draws in codes defined elsewhere)
Code The code (used as the code in the resource instance)
Display The display (used in the display element of a Coding). If there is no display, implementers should not simply display the code, but map the concept into their application
Definition An explanation of the meaning of the concept
Comments Additional notes about how to use the code