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 94431-4: Dilution factor [Titer]

Name: LOINC Code 94431-4: Dilution factor [Titer]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:24.121Z

94431-4 is a LOINC code used to identify Dilution factor [Titer] 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 Dilution factor. It is commonly used with the system or sample type Ser/Plas.

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 Dilution factor. It is commonly used with the system or sample type Ser/Plas.

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

Dilution factor [Titer] in Serum or Plasma
Dilution factor
Dilution factor; Dilution Factor (Titer); Fac; Fact; MISC; Pl; Plasma; Plsm; Point in time; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SmQn; SR; Titer; Titered; Titre; Ttr

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

Dilution factor [Titer]Dilution factor [Titer] in Serum or PlasmaDilution factor Titr SerPlDilution factorMISCDilution factor, BloodTitr

Frequently asked questions

Code details

Code94431-4

SystemLOINC

Display nameDilution factor [Titer]

DescriptionDilution factor

Short nameDilution factor Titr SerPl

ComponentDilution factor

PropertyTitr

TimingPt

System (specimen)Ser/Plas

ScaleSemiQn

ClassMISC

Example unitstiter

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.68

Last changed2.75

Consumer names

Dilution factor, Blood

Part names

Dilution factorTitrPtSer/PlasSemiQnTiterPoint in time (spot)Serum or Plasma

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.