63632-4

LOINC Code


LOINC code63632-4
name
descriptionNote to interviewer: Respondents who were classified as a "Former Smoker" by answering the Tobacco - Smoking Status adult protocol, Question 1 as ""Yes"" (Have you smoked at least 100 cigarettes in your entire life?) and Question 2 as ""Not at all"" (Do you now smoke every day, some days or not at all?) are asked.
statusACTIVE

Fully-Specified Name

componentAbout how long has it been since you completely quit smoking cigarettes
propertyTime  =  Time Duration
timePt  =  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
scaleQn  =  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
methodTUS-CPS

Additional Names

short namePhenX; Point in time; QNT; Quan; Quant; Quantitative; Random; Smoke cessation time number

Basic Attributes

classPHENX
type2  Clinical
order vs. observationSmoke cessation
example UCUM unitsD, W, Mo, Y
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 Groups

LG41856-2Smoking-related terms

Member of these Panels

62501-2

History/Usage

first released
last updated2.65
last change typeMIN  - change to field other than name
change reasond;wk;mo;a

Related Names

N

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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