What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActive

LOINC Code 66165-2: Last ate or drank anything other than plain water [Date and time]

Name: LOINC Code 66165-2: Last ate or drank anything other than plain water [Date and time]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:45.459Z

66165-2 is a LOINC code used to identify Last ate or drank anything other than plain water [Date and time] 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 Last ate or drank anything other than plain water. 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 Last ate or drank anything other than plain water. 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

What it does not mean

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

Key facts

Last ate or drank anything other than plain water [Date and time]
Last ate or drank anything other than plain water
Consumed; Date and time; Drink; H+P; H+P.HX; Last ate/drank other than water; Othr; P prime; Past; Point in time; QNT; Quan; Quant; Quantitative; Random; Time stamp; Timestamp

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

Last ate or drank anything other than plain water [Date and time]Last ate or drank D/TLast ate or drank anything other than plain waterH&P.HXTmStpPt^Patient

Frequently asked questions

Code details

Code66165-2

SystemLOINC

Display nameLast ate or drank anything other than plain water [Date and time]

DescriptionLast ate or drank anything other than plain water

Short nameLast ate or drank D/T

ComponentLast ate or drank anything other than plain water

PropertyTmStp

TimingPt

System (specimen)^Patient

ScaleQn

ClassH&P.HX

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.36

Last changed2.68

Part names

Last ate or drank anything other than plain waterTmStpPt^PatientQnTime Stamp (Date and Time)Point 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.