LOINCActive

LOINC Code 9018-3: Fluid intake synovial Measured

9018-3 is a LOINC code used to identify Fluid intake synovial Measured 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.synovial. It is commonly used with the system or sample type Synovial space.

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.synovial. It is commonly used with the system or sample type Synovial space.

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: Measured

What it does not mean

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

Key facts

  • Fluid intake synovial Measured
  • Fluid intake.synovial
  • Fld; Fluid intake synovial; IO_INTAKE; IO_INTAKE.MOLEC; 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 synovial MeasuredFluid intake.synovialIO_IN.MOLECVolPtSynovial spaceQn

Frequently asked questions

Code details

Code9018-3
SystemLOINC
Display nameFluid intake synovial Measured
DescriptionFluid intake.synovial
Short nameFluid intake synovial Measured
ComponentFluid intake.synovial
PropertyVol
TimingPt
System (specimen)Synovial space
ScaleQn
MethodMeasured
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.synovialVolPtSynovial spaceQnMeasuredFluid intake synovialVolumePoint 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 9018-3 | HealthAssure