LOINCActiveObservation

LOINC Code 5894-1: Coagulation actual/normal PT (PPP) [Relative time]

5894-1 is a LOINC code used to identify Coagulation actual/normal PT (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 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 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: Observation
  • Method: Coag.tissue factor induced

What it does not mean

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

Key facts

  • Prothrombin time (PT) actual/Normal
  • Coagulation actual/normal
  • Act/Nor; Clot; Clottable; Coag; Coagulation assay; Control; Fac; Fact; Hematology; Heme; Plas; Platelet poor plasma; Point in time; QNT; Quan; Quant; Quantitative; Random; RlTm; 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

Coagulation actual/normal PT (PPP) [Relative time]Prothrombin time (PT) actual/NormalProthrombin time/nomalCoagulation actual/normalCOAGCoagulation actual/normal, BloodRelTime

Frequently asked questions

Code details

Code5894-1
SystemLOINC
Display nameCoagulation actual/normal PT (PPP) [Relative time]
DescriptionCoagulation actual/normal
Short nameProthrombin time/nomal
ComponentCoagulation actual/normal
PropertyRelTime
TimingPt
System (specimen)PPP
ScaleQn
MethodCoag.tissue factor induced
ClassCOAG
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.82

Consumer names

Coagulation actual/normal, Blood

Part names

Coagulation actual/normalRelTimePtPPPQnCoag.tissue factor inducedRelative timePoint in time (spot)Platelet poor plasmaProthrombin time (PT)

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 5894-1 | HealthAssure