LOINCActiveObservation

LOINC Code 72185-2: Medical history [RHEA]

72185-2 is a LOINC code used to identify Medical history [RHEA] 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 Medical history. 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 Medical history. 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: RHEA

What it does not mean

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

Key facts

  • Medical history [RHEA]
  • Medical history
  • This is a patient reported previous history based on specific choices
  • Finding; Findings; Hx; Nominal; Point in time; Random; Rwanda Health Enterprise Architecture; Survey; SURVEY.GNHLTH

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

Medical history [RHEA]Medical historySURVEY.GNHLTHFindPt^PatientNom

Frequently asked questions

Code details

Code72185-2
SystemLOINC
Display nameMedical history [RHEA]
DescriptionMedical history
ComponentMedical history
PropertyFind
TimingPt
System (specimen)^Patient
ScaleNom
MethodRHEA
ClassSURVEY.GNHLTH
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.42
Last changed2.67

Part names

Medical historyFindPt^PatientNomRHEAFindingPoint in time (spot)Rwanda Health Enterprise Architecture

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 72185-2 | HealthAssure