LOINC

LOINC Code 58291-6: Mother, father, full-blooded sisters, full-blooded brothers, daughters, or sons ever have a heart attack or myocardial infarction

58291-6 is a LOINC code used to identify Mother, father, full-blooded sisters, full-blooded brothers, daughters, or sons ever have a heart attack or myocardial infarction 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 Mother, father, full-blooded sisters, full-blooded brothers, daughters, or sons ever have a heart attack or myocardial infarction. 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 Mother, father, full-blooded sisters, full-blooded brothers, daughters, or sons ever have a heart attack or myocardial infarction. 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

  • Mother, father, full-blooded sisters, full-blooded brothers, daughters, or sons ever have a heart attack or myocardial infarction
  • This measure assesses if the respondent's biological parents, siblings, and children have had a heart attack. If the respondent answers "yes" to the first question, then the interviewer will proceed to the next question, which asks about history of heart attack for specific biological relatives.
  • Family ever have a heart attack/MI; 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

Mother, father, full-blooded sisters, full-blooded brothers, daughters, or sons ever have a heart attack or myocardial infarctionFamily ever have a heart attack/MIPHENXFindPt^PatientOrd

Frequently asked questions

Code details

Code58291-6
SystemLOINC
Display nameMother, father, full-blooded sisters, full-blooded brothers, daughters, or sons ever have a heart attack or myocardial infarction
Short nameFamily ever have a heart attack/MI
ComponentMother, father, full-blooded sisters, full-blooded brothers, daughters, or sons ever have a heart attack or myocardial infarction
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

Mother, father, full-blooded sisters, full-blooded brothers, daughters, or sons ever have a heart attack or myocardial infarctionFindPt^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.