LOINCActive

LOINC Code 18710-4: Primary practitioner Set

18710-4 is a LOINC code used to identify Primary practitioner Set 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 Primary practitioner. It is commonly used with the system or sample type Provider.

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 Primary practitioner. It is commonly used with the system or sample type Provider.

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

  • Primary practitioner Set
  • Primary practitioner
  • ATTACH; ATTACH.ED; Complex; DEEDS; Emergency Department; EMERGENCY DEPARTMENT (DEEDS); Point in time; Random

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

Primary practitioner SetPrimary practitionerATTACH.EDCmplxPtProviderSet

Frequently asked questions

Code details

Code18710-4
SystemLOINC
Display namePrimary practitioner Set
DescriptionPrimary practitioner
ComponentPrimary practitioner
PropertyCmplx
TimingPt
System (specimen)Provider
ScaleSet
ClassATTACH.ED
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.40

Part names

Primary practitionerCmplxPtProviderSetComplexPoint 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 18710-4 | HealthAssure