21931-1
ClinicalDate 1st cancer treatment (any).SEERS
Definition
Date of initiation of the first course therapy for the tumor being reported, using the SEER definition of first course. See also Date of 1st Crs RX--COC [1270]. See Chapter V, Unresolved Issues, for further discussion of the difference between SEER and COC items. See page 81 for date format... NAACCR Data Standards and Data Dictionary Version 11
LOINC 6-Axis Classification
Component
Date 1st cancer Rx (any).SEERS
Property
Date
Time Aspect
Pt
System
Cancer.XXX
Scale Type
Qn
Method Type
N/A
Details
Class
TUMRRGT
Order/Observation
N/A
Short Name
Date 1st cancer Rx (any).SEERS
Related Names
Frequently Asked Questions
What is LOINC code 21931-1?
LOINC code 21931-1 identifies "Date 1st cancer treatment (any).SEERS". Date of initiation of the first course therapy for the tumor being reported, using the SEER definition of first course. See also Date of 1st Crs RX--COC [1270]. See Chapter V, Unresolved Issues, for further discussion of the difference between SEER and COC items. See page 81 for date format... NAACCR Data Standards and Data Dictionary Version 11
What does 21931-1 measure?
This code measures Date 1st cancer Rx (any).SEERS in Cancer.XXX. It belongs to the TUMRRGT class in the LOINC classification.
What is LOINC?
LOINC (Logical Observation Identifiers Names and Codes) is a universal standard for identifying laboratory and clinical observations. It is maintained by the Regenstrief Institute and used worldwide for health data exchange.