LOINCActiveObservation

LOINC Code 82798-0: Clot formation lag time Coag (PPP)

82798-0 is a LOINC code used to identify Clot formation lag time Coag (PPP) 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 Clot formation lag time. 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 Clot formation lag time. 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: Observation
  • Method: Coag

What it does not mean

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

Key facts

  • Clot formation lag time in Platelet poor plasma
  • Clot formation lag time
  • Activated clotting time; CFT; Clot; Clot form lag; Clot time; Clottable; COAGULATION; Coagulation assay; Hematology; Heme; Kinetics; k-time; Plas; Platelet poor plasma; Point in time; QNT; Quan; Quant; Quantitative; Random; Tilt tube

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

Clot formation lag time Coag (PPP)Clot formation lag time in Platelet poor plasmaClot form lag PPPClot formation lag timeCOAGClot formation lag time, BloodTime

Frequently asked questions

Code details

Code82798-0
SystemLOINC
Display nameClot formation lag time Coag (PPP)
DescriptionClot formation lag time
Short nameClot form lag PPP
ComponentClot formation lag time
PropertyTime
TimingPt
System (specimen)PPP
ScaleQn
MethodCoag
ClassCOAG
Example unitsmin
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.58
Last changed2.70

Consumer names

Clot formation lag time, Blood

Part names

Clot formation lag timeTimePtPPPQnCoagTime (e.g. seconds)Point 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.

LOINC Code 82798-0 | HealthAssure