LOINC

LOINC Code 62507-9: PhenX - substance - age of first use protocol 031201

62507-9 is a LOINC code used to identify PhenX - substance - age of first use protocol 031201 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 - substance - age of first use protocol 031201. 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 - substance - age of first use protocol 031201. 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: DISCOURAGED
  • Panel type: Panel
  • Method: PhenX

What it does not mean

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

Key facts

  • PhenX - substance - age of first use protocol 031201
  • Measurement to ascertain the respondent's age of initiation of first use of substances. This question is repeated for each substance noted in the Substances - Lifetime Use measure.
  • Pan; Panel; PANEL.PHENX; Panl; Pnl; Point in time; Random; Subs; Substance age first use 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 - substance - age of first use protocol 031201Substance age first use protoPANEL.PHENX-Pt^PatientPhenX

Frequently asked questions

Code details

Code62507-9
SystemLOINC
Display namePhenX - substance - age of first use protocol 031201
Short nameSubstance age first use proto
ComponentPhenX - substance - age of first use protocol 031201
Property-
TimingPt
System (specimen)^Patient
Scale-
MethodPhenX
ClassPANEL.PHENX
StatusDISCOURAGED

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

PhenX - substance - age of first use protocol 031201-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 62507-9 | HealthAssure