LOINCActiveBoth

LOINC Code 3178-1: Bleeding time Duke method

3178-1 is a LOINC code used to identify Bleeding time Duke method 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 Bleeding time. It is commonly used with the system or sample type ^Patient.

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 Bleeding time. It is commonly used with the system or sample type ^Patient.

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: Duke

What it does not mean

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

Key facts

  • Bleeding time by Duke method
  • Bleeding time
  • Bleed Tm; BT; Capillary bleeding; COAGULATION; Hematology; Heme; Point in time; QNT; Quan; Quant; Quantitative; Random

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

Bleeding time Duke methodBleeding time by Duke methodBleeding time Patient DukeBleeding timeCOAGTimePt

Frequently asked questions

Code details

Code3178-1
SystemLOINC
Display nameBleeding time Duke method
DescriptionBleeding time
Short nameBleeding time Patient Duke
ComponentBleeding time
PropertyTime
TimingPt
System (specimen)^Patient
ScaleQn
MethodDuke
ClassCOAG
Example unitsmin
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.73

Consumer names

Bleeding time

Part names

Bleeding timeTimePt^PatientQnDukeTime (e.g. seconds)Point in time (spot)Duke method

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 3178-1 | HealthAssure