LOINCActiveObservation

LOINC Code 77978-5: Patient died from illness of interest

77978-5 is a LOINC code used to identify Patient died from illness of interest 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 Patient died from illness of interest. 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 Patient died from illness of interest. 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

What it does not mean

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

Key facts

  • Patient died from illness of interest
  • Indicates if the patient died from the reported illness or complications related to the illness.
  • Finding; Findings; H+P; H+P.HX; Ordinal; P prime; Point in time; Pt died from illness; 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

Patient died from illness of interestPt died from illnessH&P.HXFindPt^PatientOrd

Frequently asked questions

Code details

Code77978-5
SystemLOINC
Display namePatient died from illness of interest
Short namePt died from illness
ComponentPatient died from illness of interest
PropertyFind
TimingPt
System (specimen)^Patient
ScaleOrd
ClassH&P.HX
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.52
Last changed2.54

Part names

Patient died from illness of interestFindPt^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.

LOINC Code 77978-5 | HealthAssure