LOINCActive

LOINC Code 56864-2: Emergency contact Relationship to patient

56864-2 is a LOINC code used to identify Emergency contact Relationship to patient 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 Relationship to patient. It is commonly used with the system or sample type ^Emergency contact.

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 Relationship to patient. It is commonly used with the system or sample type ^Emergency contact.

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

  • Emergency contact Relationship to patient
  • Relationship to patient
  • The relationship of an emergency contact to the patient.
  • DEEDS; Emergency Department; EMERGENCY DEPARTMENT (DEEDS); Nominal; Point in time; Random; Relationship to pt; Typ

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

Emergency contact Relationship to patientEmergency contact Relationship to ptRelationship to patientEDTypePt^Emergency contact

Frequently asked questions

Code details

Code56864-2
SystemLOINC
Display nameEmergency contact Relationship to patient
DescriptionRelationship to patient
Short nameEmergency contact Relationship to pt
ComponentRelationship to patient
PropertyType
TimingPt
System (specimen)^Emergency contact
ScaleNom
ClassED
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.34

Part names

Relationship to patientTypePt^Emergency contactNomPoint 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 56864-2 | HealthAssure