What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActive

LOINC Code 67505-8: Cardiac arrest witness Observer NEMSIS

Name: LOINC Code 67505-8: Cardiac arrest witness Observer NEMSIS
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:46.822Z

67505-8 is a LOINC code used to identify Cardiac arrest witness Observer NEMSIS 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 Cardiac arrest witness. It is commonly used with the system or sample type ^Observer.

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 Cardiac arrest witness. It is commonly used with the system or sample type ^Observer.

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
Method: NEMSIS

What it does not mean

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

Key facts

Cardiac arrest witness Observer NEMSIS
Cardiac arrest witness
National EMS Information Services; Nominal; Person name; 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

Cardiac arrest witness Observer NEMSISCardiac arrest witnessNEMSISPnPt^ObserverNom

Frequently asked questions

Code details

Code67505-8

SystemLOINC

Display nameCardiac arrest witness Observer NEMSIS

DescriptionCardiac arrest witness

Short nameCardiac arrest witness Observer NEMSIS

ComponentCardiac arrest witness

PropertyPn

TimingPt

System (specimen)^Observer

ScaleNom

MethodNEMSIS

ClassNEMSIS

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.38

Last changed2.50

Part names

Cardiac arrest witnessPnPt^ObserverNomNEMSISPerson namePoint in time (spot)National EMS Information Services

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.