LOINCActiveObservation

LOINC Code 25904-4: D-Lactate 6th specimen post excercise [Moles/Vol]

25904-4 is a LOINC code used to identify D-Lactate 6th specimen post excercise [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 D-Lactate^6th specimen post exercise. 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 D-Lactate^6th specimen post exercise. 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

  • D-Lactate [Moles/volume] in Serum or Plasma --6th specimen post excercise
  • D-Lactate^6th specimen post exercise
  • 2-Hydroxypropanoic acid; 2-hydroxy-propionate; 2-hydroxy-propionic acid; After; CHEMISTRY.CHALLENGE TESTING; Dextro; EXCZ; Lact; Lactic acid; Level; L-lactate; p Exc; Pl; Plasma; Plsm; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; sp6; sp6 p Exc; Spec; SR; Substance concentration

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

D-Lactate 6th specimen post excercise [Moles/Vol]D-Lactate [Moles/volume] in Serum or Plasma --6th specimen post excerciseD-Lactate sp6 p Exc SerPl-sCncD-Lactate^6th specimen post exerciseCHALD-Lactate 6th specimen after Excercise, BloodSCnc

Frequently asked questions

Code details

Code25904-4
SystemLOINC
Display nameD-Lactate 6th specimen post excercise [Moles/Vol]
DescriptionD-Lactate^6th specimen post exercise
Short nameD-Lactate sp6 p Exc SerPl-sCnc
ComponentD-Lactate^6th specimen post exercise
PropertySCnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHAL
Example unitsmmol/L
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.70

Consumer names

D-Lactate 6th specimen after Excercise, Blood

Part names

D-Lactate^6th specimen post exerciseSCncPtSer/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.

LOINC Code 25904-4 | HealthAssure