LOINCActiveBoth

LOINC Code 3275-5: Heparin unfractionated (24H U) [Mass/Time]

3275-5 is a LOINC code used to identify Heparin unfractionated (24H U) [Mass/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 Heparin.unfractionated. It is commonly used with the system or sample type Urine.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Heparin.unfractionated. It is commonly used with the system or sample type Urine.

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

What it does not mean

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

Key facts

  • Heparin unfractionated [Mass/time] in 24 hour Urine
  • Heparin.unfractionated
  • 1 day; 24 hours; 24HR; COAGULATION; Hematology; Heme; Hep; Hepar; Heparn; Mass rate; mRate; QNT; Quan; Quant; Quantitative; UA; UFH; UR; Urn

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

Heparin unfractionated (24H U) [Mass/Time]Heparin unfractionated [Mass/time] in 24 hour UrineUFH 24h Ur-mRateHeparin.unfractionatedCOAGHeparin unfractionated, UrineMRat

Frequently asked questions

Code details

Code3275-5
SystemLOINC
Display nameHeparin unfractionated (24H U) [Mass/Time]
DescriptionHeparin.unfractionated
Short nameUFH 24h Ur-mRate
ComponentHeparin.unfractionated
PropertyMRat
Timing24H
System (specimen)Urine
ScaleQn
ClassCOAG
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.19

Consumer names

Heparin unfractionated, Urine

Part names

Heparin.unfractionatedMRat24HUrineQnHeparin unfractionatedMass Rate24 hours

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 3275-5 | HealthAssure