LOINCObservation

LOINC Code 71463-4: Date of infection onset [ESRD]

71463-4 is a LOINC code used to identify Date of infection onset [ESRD] 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 Date of infection onset. 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 Date of infection onset. 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
  • Order vs observation: Observation
  • Method: ESRD

What it does not mean

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

Key facts

  • Date of infection onset [ESRD]
  • Date of infection onset
  • End Stage Renal Disease; ESRD survey; Point in time; QNT; Quan; Quant; Quantitative; Random; Survey

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

Date of infection onset [ESRD]Date of infection onsetSURVEY.ESRDDatePt^PatientQn

Frequently asked questions

Code details

Code71463-4
SystemLOINC
Display nameDate of infection onset [ESRD]
DescriptionDate of infection onset
ComponentDate of infection onset
PropertyDate
TimingPt
System (specimen)^Patient
ScaleQn
MethodESRD
ClassSURVEY.ESRD
Example unitsMMDDYY
StatusTRIAL
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Date of infection onsetDatePt^PatientQnESRDPoint in time (spot)End Stage Renal Disease

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 71463-4 | HealthAssure