LOINC

LOINC Code 62552-5: Deprecated PhenX measure - tobacco - smoking status

62552-5 is a LOINC code used to identify Deprecated PhenX measure - tobacco - smoking status 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 PhenX measure - tobacco - smoking status. 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 PhenX measure - tobacco - smoking status. 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: DEPRECATED
  • Method: PhenX

What it does not mean

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

Key facts

  • Deprecated PhenX measure - tobacco - smoking status
  • PhenX measure - tobacco - smoking status
  • Questions asking the respondent how old s/he was when s/he first smoked cigarettes and first smoked cigarettes regularly. Questions asking the respondent how old s/he was when s/he first smoked cigarettes and first smoked cigarettes regularly. This measure assesses when the participant's exposure to cigarette smoking began, often associated with level of nicotine addiction. When this measure is used in conjunction with the Tobacco - Age of Offset of Use measure for former smokers or current age for current smokers, the participant's duration of smoking can be derived. Pack-years can also be derived from calculating the measure of amount smoked and duration.
  • Measure - tobac smoking status; Pan; Panel; PANEL.PHENX; Panl; Pnl; Point in time; Random; Tobac smoke stat

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

Deprecated PhenX measure - tobacco - smoking statusPhenX measure - tobacco - smoking statusPANEL.PHENX-Pt^PatientPhenX

Frequently asked questions

Code details

Code62552-5
SystemLOINC
Display nameDeprecated PhenX measure - tobacco - smoking status
DescriptionPhenX measure - tobacco - smoking status
ComponentPhenX measure - tobacco - smoking status
Property-
TimingPt
System (specimen)^Patient
Scale-
MethodPhenX
ClassPANEL.PHENX
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.46

Part names

PhenX measure - tobacco - smoking status-Pt^PatientPhenXPoint 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.

LOINC Code 62552-5 | HealthAssure