LOINCActiveObservation

LOINC Code 74066-2: Expiration date of Medication [AHRQ]

74066-2 is a LOINC code used to identify Expiration date of Medication [AHRQ] 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 Expiration date. It is commonly used with the system or sample type Medication.

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 Expiration date. It is commonly used with the system or sample type Medication.

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: AHRQ

What it does not mean

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

Key facts

  • Expiration date of Medication [AHRQ]
  • Expiration date
  • Agency for Healthcare Research and Quality; Exp; Med; Point in time; QNT; Quan; Quant; Quantitative; Random; Survey; SURVEY.AHRQ

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

Expiration date of Medication [AHRQ]Expiration dateSURVEY.AHRQDatePtMedicationQn

Frequently asked questions

Code details

Code74066-2
SystemLOINC
Display nameExpiration date of Medication [AHRQ]
DescriptionExpiration date
ComponentExpiration date
PropertyDate
TimingPt
System (specimen)Medication
ScaleQn
MethodAHRQ
ClassSURVEY.AHRQ
Example unitsMMDDYY
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.46
Last changed2.50

Part names

Expiration dateDatePtMedicationQnAHRQPoint in time (spot)Agency for Healthcare Research and Quality

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.