LOINC

LOINC Code 6684-5: Reptilase time Tilt tube (PPP) [Time]

6684-5 is a LOINC code used to identify Reptilase time Tilt tube (PPP) [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 reptilase induced. 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 reptilase induced. 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: DEPRECATED
  • Method: Tilt tube

What it does not mean

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

Key facts

  • Deprecated Reptilase time in Platelet poor plasma by Coagulation assay
  • Coagulation reptilase induced
  • Atroxin time; Coag; Hematology; Heme; Plas; Platelet poor plasma; Point in time; QNT; Quan; Quant; Quantitative; Random; Reptilase time

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

Reptilase time Tilt tube (PPP) [Time]Deprecated Reptilase time in Platelet poor plasma by Coagulation assayDeprecated Reptilase PPP QnCoagulation reptilase inducedCOAGReptilase time, BloodTime

Frequently asked questions

Code details

Code6684-5
SystemLOINC
Display nameReptilase time Tilt tube (PPP) [Time]
DescriptionCoagulation reptilase induced
Short nameDeprecated Reptilase PPP Qn
ComponentCoagulation reptilase induced
PropertyTime
TimingPt
System (specimen)PPP
ScaleQn
MethodTilt tube
ClassCOAG
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0g
Last changed2.36

Consumer names

Reptilase time, Blood

Part names

Coagulation reptilase inducedTimePtPPPQnTilt tubeReptilase timeTime (e.g. seconds)Point in time (spot)Platelet poor 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.