21975-8
LOINC Code
| LOINC code | 21975-8 | ||||
|---|---|---|---|---|---|
| name | |||||
| description | Date of last contact with the patient, or date of death. If the patient has multiple tumors, Date of Last Contact should be the same for all tumors. See page 81 for date format. Used for Date of Last Contact from active or passive follow-up. Used to record date of death... NAACCR Data Standards and Data Dictionary Version 11 | ||||
| status | ACTIVE | ||||
Fully-Specified Name | |||||
| component | Date last contact | ||||
| 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 | ^Patient | ||||
| 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 | Oncology; Past; Point in time; QNT; Quan; Quant; Quantitative; Random; TUMOR REGISTRY(NAACCR) | ||||
Basic Attributes | |||||
| class | TUMRRGT | ||||
| type | 2 Clinical | ||||
| order vs. observation | Date last conta | ||||
| 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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