LOINCActiveBoth

LOINC Code 75301-2: Fluid intake 24 hour Estimated

75301-2 is a LOINC code used to identify Fluid intake 24 hour Estimated 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 Fluid intake. 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 Fluid intake. 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: Both
  • Method: Estimated

What it does not mean

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

Key facts

Fluid intake 24 hour Estimated
Fluid intake
The estimated total amount of fluid/beverage intake consumed orally in a 24 hour period. This term was created for, but not limited in use to, the HL7 Implementation Guide for CDA Release 2Consolidated CDA Templates for Clinical Notes (US Realm) Draft Standard for Trial Use Release 2.1.
1 day; 24 hours; 24HR; Est; estimation; Fld; Flow; IO_INTAKE; IO_INTAKE.TIMED.MOLEC; QNT; Quan; Quant; Quantitative; Volume Rate; vRate

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

Fluid intake 24 hour EstimatedFluid intake 24h EstFluid intakeIO_IN.TIMED.MOLECVRat24H^Patient

Frequently asked questions

Code details

Code75301-2
SystemLOINC
Display nameFluid intake 24 hour Estimated
DescriptionFluid intake
Short nameFluid intake 24h Est
ComponentFluid intake
PropertyVRat
Timing24H
System (specimen)^Patient
ScaleQn
MethodEstimated
ClassIO_IN.TIMED.MOLEC
Example unitsml/24 H
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.50
Last changed2.54

Part names

Fluid intakeVRat24H^PatientQnEstimatedVolume Rate24 hours

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 75301-2 | HealthAssure