LOINCActiveBoth

LOINC Code 24520-9: Phosphate (RBC) [Moles/Vol]

24520-9 is a LOINC code used to identify Phosphate (RBC) [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 Phosphate. It is commonly used with the system or sample type RBC.

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 Phosphate. It is commonly used with the system or sample type RBC.

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

  • Phosphate [Moles/volume] in Red Blood Cells
  • Phosphate
  • (WBPhos - (SPhos x (1 - Hematocrit)))/ Hematocrit
  • Chemistry; Erythrocytes; i Phos; Inorganic phosphate; Level; Phos; Phosphate total; Phosphorous; Phosphorus; Phosphrous; Pi; PO4; Point in time; QNT; Quan; Quant; Quantitative; Random; Red blood cells; Red blood corpusles; 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

Phosphate (RBC) [Moles/Vol]Phosphate [Moles/volume] in Red Blood CellsPhosphate RBC-sCncPhosphateCHEMPhosphate, Red blood cellsSCnc

Frequently asked questions

Code details

Code24520-9
SystemLOINC
Display namePhosphate (RBC) [Moles/Vol]
DescriptionPhosphate
Short namePhosphate RBC-sCnc
ComponentPhosphate
PropertySCnc
TimingPt
System (specimen)RBC
ScaleQn
ClassCHEM
Example unitsmmol/L RBC
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0o
Last changed2.70

Consumer names

Phosphate, Red blood cells

Part names

PhosphateSCncPtRBCQnSubstance ConcentrationPoint in time (spot)Red Blood Cells

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 24520-9 | HealthAssure