What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 99733-8: Replacement fluid Renal replacement therapy circuit

Name: LOINC Code 99733-8: Replacement fluid Renal replacement therapy circuit
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:34.290Z

99733-8 is a LOINC code used to identify Replacement fluid Renal replacement therapy circuit 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 Replacement fluid. It is commonly used with the system or sample type Renal replacement therapy circuit.

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 Replacement fluid. It is commonly used with the system or sample type Renal replacement therapy circuit.

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

Replacement fluid Renal replacement therapy circuit
Replacement fluid
CLIN; Fld; Kidney; Nominal; Point in time; Random; RRT circuit; Typ

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

Replacement fluid Renal replacement therapy circuitReplacement fluid RRT circuitReplacement fluidCLINTypePtRenal replacement therapy circuit

Frequently asked questions

Code details

Code99733-8

SystemLOINC

Display nameReplacement fluid Renal replacement therapy circuit

DescriptionReplacement fluid

Short nameReplacement fluid RRT circuit

ComponentReplacement fluid

PropertyType

TimingPt

System (specimen)Renal replacement therapy circuit

ScaleNom

ClassCLIN

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.72

Last changed2.72

Part names

Replacement fluidTypePtRenal replacement therapy circuitNomPoint 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.