LOINCActiveObservation

LOINC Code 82797-2: Initial clot growth Coag (PPP) [Velocity]

82797-2 is a LOINC code used to identify Initial clot growth Coag (PPP) [Velocity] 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 growth.initial. 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 growth.initial. 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

  • Initial clot growth [Velocity] in Platelet poor plasma
  • Clot growth.initial
  • Clot; Clottable; COAGULATION; Coagulation assay; Hematology; Heme; Plas; Platelet poor plasma; Point in time; QNT; Quan; Quant; Quantitative; Random; Tilt tube; Velocity

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

Initial clot growth Coag (PPP) [Velocity]Initial clot growth [Velocity] in Platelet poor plasmaClot growth.init PPP QnClot growth.initialCOAGInitial clot growth, BloodVel

Frequently asked questions

Code details

Code82797-2
SystemLOINC
Display nameInitial clot growth Coag (PPP) [Velocity]
DescriptionClot growth.initial
Short nameClot growth.init PPP Qn
ComponentClot growth.initial
PropertyVel
TimingPt
System (specimen)PPP
ScaleQn
MethodCoag
ClassCOAG
Example unitsU/s
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Initial clot growth, Blood

Part names

Clot growth.initialVelPtPPPQnCoagInitial clot growthVelocity (distance/time)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 82797-2 | HealthAssure