LOINCActiveObservation

LOINC Code 71577-1: ECG interpretation method NEMSIS

71577-1 is a LOINC code used to identify ECG interpretation method 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 ECG interpretation method. It is commonly used with the system or sample type ^Patient.

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 ECG interpretation method. It is commonly used with the system or sample type ^Patient.

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: Observation
  • Method: NEMSIS

What it does not mean

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

Key facts

  • ECG interpretation method NEMSIS
  • ECG interpretation method
  • The method of ECG interpretation.
  • Finding; Findings; Interp; Interpret; Interpt; Intrp; Meth; Method of; National EMS Information Services; Nominal; 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

ECG interpretation method NEMSISECG interpretation methodNEMSISFindPt^PatientNom

Frequently asked questions

Code details

Code71577-1
SystemLOINC
Display nameECG interpretation method NEMSIS
DescriptionECG interpretation method
Short nameECG interpretation method NEMSIS
ComponentECG interpretation method
PropertyFind
TimingPt
System (specimen)^Patient
ScaleNom
MethodNEMSIS
ClassNEMSIS
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.40
Last changed2.67

Part names

ECG interpretation methodFindPt^PatientNomNEMSISFindingPoint 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.

LOINC Code 71577-1 | HealthAssure