LOINCActiveBoth

LOINC Code 57164-6: Social worker Referral note

57164-6 is a LOINC code used to identify Social worker Referral note 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 Referral note. It is commonly used with the system or sample type {Setting}.

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 Referral note. It is commonly used with the system or sample type {Setting}.

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
  • Order vs observation: Both
  • Method: Social worker

What it does not mean

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

Key facts

  • Social worker Referral note
  • Referral note
  • DOC.ONT; Document; Encounter; Evaluation and management; Evaluation and management note; Finding; Findings; notes; Point in time; Random; Social work; SW; Visit note

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

Social worker Referral noteSW Referral noteReferral noteDOC.ONTOLOGYFindPt{Setting}

Frequently asked questions

Code details

Code57164-6
SystemLOINC
Display nameSocial worker Referral note
DescriptionReferral note
Short nameSW Referral note
ComponentReferral note
PropertyFind
TimingPt
System (specimen){Setting}
ScaleDoc
MethodSocial worker
ClassDOC.ONTOLOGY
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.67

Part names

Referral noteFindPt{Setting}DocSocial workerReferralNoteFindingPoint 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 57164-6 | HealthAssure