LOINCActive

LOINC Code 8974-8: Fluid intake intravascular Estimated

8974-8 is a LOINC code used to identify Fluid intake intravascular 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.intravascular. It is commonly used with the system or sample type Vascular system.

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.intravascular. It is commonly used with the system or sample type Vascular system.

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: Estimated

What it does not mean

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

Key facts

  • Fluid intake intravascular Estimated
  • Fluid intake.intravascular
  • BP; Est; estimation; Fld; Fluid intake IV; Intravenous; IO_INTAKE; IO_INTAKE.MOLEC; IV; Point in time; QNT; Quan; Quant; Quantitative; Random; Volume

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 intravascular EstimatedFluid intake IV EstFluid intake.intravascularIO_IN.MOLECVolPtVascular system

Frequently asked questions

Code details

Code8974-8
SystemLOINC
Display nameFluid intake intravascular Estimated
DescriptionFluid intake.intravascular
Short nameFluid intake IV Est
ComponentFluid intake.intravascular
PropertyVol
TimingPt
System (specimen)Vascular system
ScaleQn
MethodEstimated
ClassIO_IN.MOLEC
Example unitsmL
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0h(3)
Last changed2.48

Part names

Fluid intake.intravascularVolPtVascular systemQnEstimatedFluid intake intravascularVolumePoint 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 8974-8 | HealthAssure