LOINCActiveBoth

LOINC Code 57167-9: Cardiothoracic surgery Referral note

57167-9 is a LOINC code used to identify Cardiothoracic surgery 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: Thoracic and cardiac surgery

What it does not mean

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

Key facts

  • Cardiothoracic surgery Referral note
  • Referral note
  • Cardio; Cardiology; Cardiothor surg; DOC.ONT; Document; Encounter; Evaluation and management; Evaluation and management note; Finding; Findings; Heart Disease; notes; Point in time; Random; Surg; 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

Cardiothoracic surgery Referral noteCardiothor surg Referral noteReferral noteDOC.ONTOLOGYFindPt{Setting}

Frequently asked questions

Code details

Code57167-9
SystemLOINC
Display nameCardiothoracic surgery Referral note
DescriptionReferral note
Short nameCardiothor surg Referral note
ComponentReferral note
PropertyFind
TimingPt
System (specimen){Setting}
ScaleDoc
MethodThoracic and cardiac surgery
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}DocThoracic and cardiac surgeryReferralNoteFindingPoint in time (spot)Cardiothoracic surgery

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 57167-9 | HealthAssure