LOINCActive

LOINC Code 45238-3: Date lost to HIV treatment therapy

45238-3 is a LOINC code used to identify Date lost to HIV treatment therapy 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 lost to HIV Rx therapy. 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 lost to HIV Rx therapy. 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
  • Method: Reported

What it does not mean

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

Key facts

  • Date lost to HIV treatment therapy
  • Date lost to HIV Rx therapy
  • AIDS; Anti-retroviral therapy; ART; Human immunodeficiency virus; ID; Infectious Disease; InfectiousDisease; Point in time; QNT; Quan; Quant; Quantitative; Random; Treatment

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 lost to HIV treatment therapyDate lost to HIV Rx therapyARTDatePt^PatientQn

Frequently asked questions

Code details

Code45238-3
SystemLOINC
Display nameDate lost to HIV treatment therapy
DescriptionDate lost to HIV Rx therapy
Short nameDate lost to HIV Rx therapy
ComponentDate lost to HIV Rx therapy
PropertyDate
TimingPt
System (specimen)^Patient
ScaleQn
MethodReported
ClassART
Example unitsMMDDYY
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.67

Part names

Date lost to HIV Rx therapyDatePt^PatientQnReportedPoint 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 45238-3 | HealthAssure