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.

LOINCActiveObservation

LOINC Code 26055-4: Pyridoxine pre 250 mg pyridoxine PO [Moles/Vol]

Name: LOINC Code 26055-4: Pyridoxine pre 250 mg pyridoxine PO [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:13.651Z

26055-4 is a LOINC code used to identify Pyridoxine pre 250 mg pyridoxine PO [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 Pyridoxine^pre 250 mg pyridoxine PO. It is commonly used with the system or sample type Ser/Plas.

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 Pyridoxine^pre 250 mg pyridoxine PO. It is commonly used with the system or sample type Ser/Plas.

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: Observation

What it does not mean

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

Key facts

Pyridoxine [Moles/volume] in Serum or Plasma --pre 250 mg pyridoxine PO
Pyridoxine^pre 250 mg pyridoxine PO
Before; C8H11NO3; CHEMISTRY.CHALLENGE TESTING; Level; Pl; Plasma; Plsm; Point in time; pre 250 mg PN PO; Pyridoxol; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Substance concentration; Vit B6; Vitamin B6

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

Pyridoxine pre 250 mg pyridoxine PO [Moles/Vol]Pyridoxine [Moles/volume] in Serum or Plasma --pre 250 mg pyridoxine POVit B6 pre 250 mg PN PO SerPl-sCncPyridoxine^pre 250 mg pyridoxine POCHALPyridoxine before 250 mg Pyridoxine by mouth, BloodSCnc

Frequently asked questions

Code details

Code26055-4

SystemLOINC

Display namePyridoxine pre 250 mg pyridoxine PO [Moles/Vol]

DescriptionPyridoxine^pre 250 mg pyridoxine PO

Short nameVit B6 pre 250 mg PN PO SerPl-sCnc

ComponentPyridoxine^pre 250 mg pyridoxine PO

PropertySCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassCHAL

Example unitsnmol/L

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.00

Last changed2.40

Consumer names

Pyridoxine before 250 mg Pyridoxine by mouth, Blood

Part names

Pyridoxine^pre 250 mg pyridoxine POSCncPtSer/PlasQnSubstance ConcentrationPoint in time (spot)Serum or 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.