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.

LOINCActiveBoth

LOINC Code 3209-4: Coagulation factor VIII activity actual/normal Coag (PPP) [Relative time]

Name: LOINC Code 3209-4: Coagulation factor VIII activity actual/normal Coag (PPP) [Relative time]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:18.899Z

3209-4 is a LOINC code used to identify Coagulation factor VIII activity actual/normal Coag (PPP) [Relative time] 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 Coagulation factor VIII activity actual/Normal. It is commonly used with the system or sample type PPP.

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 Coagulation factor VIII activity actual/Normal. It is commonly used with the system or sample type PPP.

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: Both
Method: Coag

What it does not mean

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

Key facts

Coagulation factor VIII activity actual/normal in Platelet poor plasma by Coagulation assay

Coagulation factor VIII activity actual/Normal

Act/Nor; Activ; Actvty; AHF; AHG; Antihemophilic factor; Antihemophilic globulin; Circulating anticoagulant; Clot; Clottable; Coag; Coagulation assay; Control; F8; Fac; Fact; Fact VIII; Factor 8; Factor VIII clotting activity; FVIII; Hematology; Heme; Movements; Plas; Platelet poor plasma; Point in time; QNT; Quan; Quant; Quantitative; Random; RlTm; Thrombocyte cofactor A; Tilt tube; UniversalLabOrders; VIIIC

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

Coagulation factor VIII activity actual/normal Coag (PPP) [Relative time]Coagulation factor VIII activity actual/normal in Platelet poor plasma by Coagulation assayFact VIII Act/Nor PPPCoagulation factor VIII activity actual/NormalCOAGCoagulation Factor VIII Activity actual/normal, BloodRelTime

Frequently asked questions

Code details

Code3209-4

SystemLOINC

Display nameCoagulation factor VIII activity actual/normal Coag (PPP) [Relative time]

DescriptionCoagulation factor VIII activity actual/Normal

Short nameFact VIII Act/Nor PPP

ComponentCoagulation factor VIII activity actual/Normal

PropertyRelTime

TimingPt

System (specimen)PPP

ScaleQn

MethodCoag

ClassCOAG

Example units%

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0

Last changed2.73

Consumer names

Coagulation Factor VIII Activity actual/normal, Blood

Part names

Coagulation factor VIII activity actual/NormalRelTimePtPPPQnCoagRelative timePoint in time (spot)Platelet poor plasmaCoagulation assay

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.