LOINCActiveBoth

LOINC Code 34938-1: Phosphate (Dial fld) [Moles/Vol]

34938-1 is a LOINC code used to identify Phosphate (Dial fld) [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 Dial fld.

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

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 Dialysis fluid
  • Phosphate
  • Chemistry; Diaf; Dialysate; Dialysis fluid; i Phos; Inorganic phosphate; Level; Phos; Phosphate total; Phosphorous; Phosphorus; Phosphrous; Pi; PO4; Point in time; QNT; Quan; Quant; Quantitative; Random; 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 (Dial fld) [Moles/Vol]Phosphate [Moles/volume] in Dialysis fluidPhosphate Dial fld-sCncPhosphateCHEMPhosphate, Dialysis fluidSCnc

Frequently asked questions

Code details

Code34938-1
SystemLOINC
Display namePhosphate (Dial fld) [Moles/Vol]
DescriptionPhosphate
Short namePhosphate Dial fld-sCnc
ComponentPhosphate
PropertySCnc
TimingPt
System (specimen)Dial fld
ScaleQn
ClassCHEM
Example unitsmmol/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.11
Last changed2.70

Consumer names

Phosphate, Dialysis fluid

Part names

PhosphateSCncPtDial fldQnSubstance ConcentrationPoint in time (spot)Dialysis fluid

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 34938-1 | HealthAssure