LOINCActiveBoth

LOINC Code 75291-5: Fluid need 24 hour Estimated

75291-5 is a LOINC code used to identify Fluid need 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 need. 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 need. 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 need 24 hour Estimated
  • Fluid need
  • 1 day; 24 hours; 24HR; Diet; Dietetics; Est; estimation; Fld; Flow; Nutrition; 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 need 24 hour EstimatedFluid need 24h EstFluid needNUTRITION&DIETETICSVRat24H^Patient

Frequently asked questions

Code details

Code75291-5
SystemLOINC
Display nameFluid need 24 hour Estimated
DescriptionFluid need
Short nameFluid need 24h Est
ComponentFluid need
PropertyVRat
Timing24H
System (specimen)^Patient
ScaleQn
MethodEstimated
ClassNUTRITION&DIETETICS
Example unitsml/24 H
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Fluid needVRat24H^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 75291-5 | HealthAssure