LOINC

LOINC Code 58338-5: Ever told by doctor that you had a myocardial infarction or heart attack

58338-5 is a LOINC code used to identify Ever told by doctor that you had a myocardial infarction or heart attack 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 Ever told by doctor that you had a myocardial infarction or heart attack. 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 Ever told by doctor that you had a myocardial infarction or heart attack. 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: TRIAL

What it does not mean

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

Key facts

  • Ever told by doctor that you had a myocardial infarction or heart attack
  • Finding; Findings; Ordinal; PhenX; Point in time; QL; Qual; Qualitative; Random; Screen

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

Ever told by doctor that you had a myocardial infarction or heart attackMyocardial infarction or heart attackPHENXFindPt^PatientOrd

Frequently asked questions

Code details

Code58338-5
SystemLOINC
Display nameEver told by doctor that you had a myocardial infarction or heart attack
Short nameMyocardial infarction or heart attack
ComponentEver told by doctor that you had a myocardial infarction or heart attack
PropertyFind
TimingPt
System (specimen)^Patient
ScaleOrd
ClassPHENX
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.30
Last changed2.65

Part names

Ever told by doctor that you had a myocardial infarction or heart attackFindPt^PatientOrdFindingPoint 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.