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 74442-5: Pyridoxal phosphate (Bld) [Moles/Vol]

Name: LOINC Code 74442-5: Pyridoxal phosphate (Bld) [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

74442-5 is a LOINC code used to identify Pyridoxal phosphate (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 Pyridoxal phosphate. 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 Pyridoxal phosphate. 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

Pyridoxal phosphate [Moles/volume] in Blood
Pyridoxal phosphate
Blood; C8H10NO6P; C8H9NO3; Chemistry; Codecarboxylase; i Phos; Inorganic phosphate; Level; Phos; Phosphate total; Phosphorous; Phosphorus; Phosphrous; Pi; PLP; PO4; Point in time; Pyridoxal 5-Phosphate; Pyridoxaldehyde; QNT; Quan; Quant; Quantitative; Random; Substance concentration; Vit B6; Vit B6 coenzyme; Vitamin B6; Vitamin B6 coenzyme; Vitamin B6 hydrochloride; 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 Pyridoxal phosphate (Bld) [Moles/Vol] (74442-5)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Pyridoxal phosphate (Bld) [Moles/Vol]Pyridoxal phosphate [Moles/volume] in BloodPyridoxal Phos Bld-sCncPyridoxal phosphateCHEMPyridoxal phosphate, BloodSCnc

Frequently asked questions

Code details

Code74442-5

SystemLOINC

Display namePyridoxal phosphate (Bld) [Moles/Vol]

DescriptionPyridoxal phosphate

Short namePyridoxal Phos Bld-sCnc

ComponentPyridoxal phosphate

PropertySCnc

TimingPt

System (specimen)Bld

ScaleQn

ClassCHEM

Example unitsumol/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.46

Last changed2.46

Consumer names

Pyridoxal phosphate, Blood

Part names

Pyridoxal phosphateSCncPtBldQnSubstance 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.