What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActive

LOINC Code 64223-1: If you have stopped smoking a pipe completely, how old were you when you stopped [PhenX]

Name: LOINC Code 64223-1: If you have stopped smoking a pipe completely, how old were you when you stopped [PhenX]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:43.949Z

64223-1 is a LOINC code used to identify If you have stopped smoking a pipe completely, how old were you when you stopped [PhenX] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Age when stopped smoking a pipe completely. It is commonly used with the system or sample type ^Patient.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Age when stopped smoking a pipe completely. It is commonly used with the system or sample type ^Patient.

When is it used?

Used in lab systems, EHRs, and clinical data exchange.
May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
Status: ACTIVE

What it does not mean

The code identifies the observation or test, not the actual result.

Key facts

If you have stopped smoking a pipe completely, how old were you when you stopped [PhenX]
Age when stopped smoking a pipe completely
H+P; H+P.HX; P prime; Point in time; QNT; Quan; Quant; Quantitative; Random; Smoke pipe stop age

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

If you have stopped smoking a pipe completely, how old were you when you stopped [PhenX]Smoke pipe stop age PhenXAge when stopped smoking a pipe completelyH&P.HXTimePt^Patient

Frequently asked questions

Code details

Code64223-1

SystemLOINC

Display nameIf you have stopped smoking a pipe completely, how old were you when you stopped [PhenX]

DescriptionAge when stopped smoking a pipe completely

Short nameSmoke pipe stop age PhenX

ComponentAge when stopped smoking a pipe completely

PropertyTime

TimingPt

System (specimen)^Patient

ScaleQn

ClassH&P.HX

Example unitsyears

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.36

Last changed2.66

Part names

Age when stopped smoking a pipe completelyTimePt^PatientQnTime (e.g. seconds)Point in time (spot)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.