LOINCActiveObservation

LOINC Code 98021-9: Rivalta test Ql (Body fld)

98021-9 is a LOINC code used to identify Rivalta test Ql (Body fld) 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 Rivalta test. It is commonly used with the system or sample type Body fld.

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 Rivalta test. It is commonly used with the system or sample type Body fld.

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: Observation

What it does not mean

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

Key facts

  • Rivalta test [Presence] in Body fluid
  • Rivalta test
  • B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; Chemistry; Exudate; Fl; Fld; FLU; Fluid; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Transudate; Transudates and Exudates

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

Rivalta test Ql (Body fld)Rivalta test [Presence] in Body fluidRivalta test Fld QlRivalta testCHEMRivalta test, Body fluidPrThr

Frequently asked questions

Code details

Code98021-9
SystemLOINC
Display nameRivalta test Ql (Body fld)
DescriptionRivalta test
Short nameRivalta test Fld Ql
ComponentRivalta test
PropertyPrThr
TimingPt
System (specimen)Body fld
ScaleOrd
ClassCHEM
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.70
Last changed2.70

Consumer names

Rivalta test, Body fluid

Part names

Rivalta testPrThrPtBody fldOrdPresence or ThresholdPoint in time (spot)Body fluid

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 98021-9 | HealthAssure