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LOINC Code 62503-8: PhenX - tobacco - nicotine dependence protocol 031001

62503-8 is a LOINC code used to identify PhenX - tobacco - nicotine dependence protocol 031001 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 - tobacco - nicotine dependence protocol 031001. 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 - tobacco - nicotine dependence protocol 031001. 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
  • Panel type: Panel
  • Method: PhenX

What it does not mean

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

Key facts

PhenX - tobacco - nicotine dependence protocol 031001
Measurement of respondent's symptoms of cigarette dependence. Respondents are asked the nicotine dependence questions only if they have been classified as a Current Every-Day Smoker, Current Some-Day Smoker, or Former Smoker based on responses to the adolescent and adult Tobacco - Smoking Status protocols. Respondents are asked six categorical questions to assess nicotine dependence. The six questions in this protocol may be asked twice for Current Every-Day and Current Some-Day Smokersthe first time using the current time frame and then a second time if there was a time period when the respondent smoked more than the current amount. During the second round of questions, the time frame is the 6-month period when the respondent was smoking the most. Former Smokers are asked the six questions once; the period of reference is the 6-month period when the respondent was smoking the most.
Habitrol; Nicoderm; Nictoine; Pan; Panel; PANEL.PHENX; Panl; Pnl; Point in time; Random; Tobac nicotine depend proto

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

PhenX - tobacco - nicotine dependence protocol 031001Tobac nicotine depend protoPANEL.PHENX-Pt^PatientPhenX

Frequently asked questions

Code details

Code62503-8
SystemLOINC
Display namePhenX - tobacco - nicotine dependence protocol 031001
Short nameTobac nicotine depend proto
ComponentPhenX - tobacco - nicotine dependence protocol 031001
Property-
TimingPt
System (specimen)^Patient
Scale-
MethodPhenX
ClassPANEL.PHENX
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.81

Part names

PhenX - tobacco - nicotine dependence protocol 031001-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 62503-8 | HealthAssure