21970-9
LOINC Code
| LOINC code | 21970-9 | ||||
|---|---|---|---|---|---|
| name | |||||
| description | Date of initiation of second-course treatment. Central registries currently collecting this data item should follow the 1998 ROADS Manual coding instructions. See page 81 for date format... NAACCR Data Standards and Data Dictionary Version 11 | ||||
| status | ACTIVE | ||||
Fully-Specified Name | |||||
| component | 2nd course treatment start date | ||||
| property | Date | ||||
| time | Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements. | ||||
| system | Subsequent cancer Rx | ||||
| scale | Qn = Quantitative: The result of the test is a numeric value that relates to a continuous numeric scale. Reported either as an integer, a ratio, a real number, or a range. The test result value may optionally contain a relational operator from the set {<=, <, >, >=}. Valid values for a quantitative test are of the form "7", "-7", "7.4", "-7.4", "7.8912", "0.125", "<10", "<10.15", ">12000", 1-10, 1:256 | ||||
| method | |||||
Additional Names | |||||
| short name | 2nd course Tx; 2nd crs Tx start date; CA; Oncology; Point in time; QNT; Quan; Quant; Quantitative; Random; Second; Started; Treatment; TUMOR REGISTRY(NAACCR); Tx | ||||
Basic Attributes | |||||
| class | TUMRRGT | ||||
| type | 2 Clinical | ||||
| order vs. observation | 2nd crs Tx star | ||||
| example UCUM units | MMDDYY The Unified Code for Units of Measure (UCUM) is a code system intended to include all units of measures being contemporarily used in international science, engineering, and business (www.unitsofmeasure.org) | ||||
Member of these Panels | |||||
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History/Usage | |||||
| first released | |||||
| last updated | 2.5 | ||||
| last change type | MIN - change to field other than name | ||||
Related Names | |||||
Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.
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