LOINCActiveObservation

LOINC Code 87456-0: Phosphate (Specimen) [Mass/Vol]

87456-0 is a LOINC code used to identify Phosphate (Specimen) [Mass/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 XXX.

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 XXX.

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

  • Phosphate [Mass/volume] in Specimen
  • Phosphate
  • Quantitative measurement of phosphorus levels in various human, veterinary, or environmental specimens, including serum, plasma, whole blood, urine, water, feces, ocular fluid, blood meal, corn syrup, molasses, glycerin and corn gluten feed wet.
  • Chemistry; i Phos; Inorganic phosphate; Level; Mass concentration; Misc; Miscellaneous; Other; Phos; Phosphate total; Phosphorous; Phosphorus; Phosphrous; Pi; PO4; Point in time; QNT; Quan; Quant; Quantitative; Random; Spec; To be specified in another part of the message; Unspecified; Vet; Veterinary

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 (Specimen) [Mass/Vol]Phosphate [Mass/volume] in SpecimenPhosphate Spec-mCncPhosphateCHEMPhosphate, SpecimenMCnc

Frequently asked questions

Code details

Code87456-0
SystemLOINC
Display namePhosphate (Specimen) [Mass/Vol]
DescriptionPhosphate
Short namePhosphate Spec-mCnc
ComponentPhosphate
PropertyMCnc
TimingPt
System (specimen)XXX
ScaleQn
ClassCHEM
Example unitsmg/dl
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.63
Last changed2.69

Consumer names

Phosphate, Specimen

Part names

PhosphateMCncPtXXXQnMass ConcentrationPoint in time (spot)

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 87456-0 | HealthAssure