LOINCObservation

LOINC Code 81306-3: Variables that apply to the overall study

81306-3 is a LOINC code used to identify Variables that apply to the overall study 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 Variables that apply to the overall study. 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 Variables that apply to the overall study. 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: TRIAL
  • Order vs observation: Observation
  • Panel type: Panel

What it does not mean

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

Key facts

  • Variables that apply to the overall study
  • Molecular pathology; MOLPATH; Overall study variables; Pan; Panel; Panel.molpath; Panl; Pnl; Point in time; Random; Study report

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

Variables that apply to the overall studyOverall study variables typePANEL.MOLPATH-Pt^PatientPoint in time (spot)

Frequently asked questions

Code details

Code81306-3
SystemLOINC
Display nameVariables that apply to the overall study
Short nameOverall study variables type
ComponentVariables that apply to the overall study
Property-
TimingPt
System (specimen)^Patient
Scale-
ClassPANEL.MOLPATH
StatusTRIAL
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.56
Last changed2.61

Consumer names

Variables that apply to the overall study

Part names

Variables that apply to the overall study-Pt^PatientPoint 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 81306-3 | HealthAssure