What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 74444-1: Thiamine pyrophosphate (Bld) [Moles/Vol]

Name: LOINC Code 74444-1: Thiamine pyrophosphate (Bld) [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

74444-1 is a LOINC code used to identify Thiamine pyrophosphate (Bld) [Moles/Vol] 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 Thiamine pyrophosphate. It is commonly used with the system or sample type Bld.

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 Thiamine pyrophosphate. It is commonly used with the system or sample type Bld.

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

Thiamine pyrophosphate [Moles/volume] in Blood
Thiamine pyrophosphate
Blood; c106; c238; Chemistry; Level; Point in time; QNT; Quan; Quant; Quantitative; Random; Substance concentration; ThDP; Thiamine diphosphate; ThPP; TPP; Vit B1; Vit B-1; Vit B1 Pyrophoshate; Vitamin B1; Vitamin B-1; WB; Whole blood

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Thiamine pyrophosphate (Bld) [Moles/Vol] (74444-1)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Thiamine pyrophosphate (Bld) [Moles/Vol]Thiamine pyrophosphate [Moles/volume] in BloodVit B1 Pyrophoshate Bld-sCncThiamine pyrophosphateCHEMThiamine pyrophosphate, BloodSCnc

Frequently asked questions

Code details

Code74444-1

SystemLOINC

Display nameThiamine pyrophosphate (Bld) [Moles/Vol]

DescriptionThiamine pyrophosphate

Short nameVit B1 Pyrophoshate Bld-sCnc

ComponentThiamine pyrophosphate

PropertySCnc

TimingPt

System (specimen)Bld

ScaleQn

ClassCHEM

Example unitsnmol/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.46

Last changed2.73

Consumer names

Thiamine pyrophosphate, Blood

Part names

Thiamine pyrophosphateSCncPtBldQnSubstance ConcentrationPoint in time (spot)Blood

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.