How long has it been since you last smoked part or all of a cigarette [PhenX]   63630-8

LOINC Code


LOINC code63630-8
nameHow long has it been since you last smoked part or all of a cigarette [PhenX]
descriptionNote to interviewer: Respondents who were classified as a "Smoker" or "Non Smoker" by answering the Tobacco - Smoking Status adolescent protocol, Question 1 as ""Yes"" (Have you ever smoked part or all of a cigarette?) are asked.
statusACTIVE

Fully-Specified Name

componentHow long has it been since you last smoked part or all of a cigarette
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
methodPhenX

Additional Names

short nameSmoking cessation time PhenX

Basic Attributes

classPHENX
type2  Clinical
example UCUM unitsd;wk;mo;a
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)
example unitD, W, Mo, Y

Associated Observations

LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations.

Member of these Groups

LG41856-2Smoking-related terms

Member of these Panels

62500-4PhenX - tobacco - age of offset use - adolescent protocol 030901

History/Usage

first released
last updated2.65
last change typeMIN  - change to field other than name
change reasonUpdated the PhenX ID from "PhenX." to "PX" in Survey Question Source field to align with the variable identifier used in the PhenX Toolkit.

Related Names

Past
Point in time
QNT
Quan
Quant
Quantitative
Random
Smoke
Smokes
Smoking
Smoking cessation time
Tobacco

Copyright © 2023 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2023, 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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