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.

LOINCActiveBoth

LOINC Code 47855-2: Fibroblast growth factor 23.C-terminal Qn (P)

Name: LOINC Code 47855-2: Fibroblast growth factor 23.C-terminal Qn (P)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

47855-2 is a LOINC code used to identify Fibroblast growth factor 23.C-terminal Qn (P) 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 Fibroblast growth factor 23.C-terminal. It is commonly used with the system or sample type Plas.

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 Fibroblast growth factor 23.C-terminal. It is commonly used with the system or sample type 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: Both

What it does not mean

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

Key facts

Fibroblast growth factor 23.C-terminal [Units/volume] in Plasma
Fibroblast growth factor 23.C-terminal
Arbitrary concentration; Autosomal dominant hypophosphatemic rickets; cFGF23; Chemistry; Fac; Fact; Familial tumoral calcinosis with hyperphosphatemia; FGF 23; FGF23; FGF-23; FGF-23 c-term; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Fibroblast growth factor 23.C-terminal Qn (P) (47855-2)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Fibroblast growth factor 23.C-terminal Qn (P)Fibroblast growth factor 23.C-terminal [Units/volume] in PlasmaFGF-23 c-term Plas-aCncFibroblast growth factor 23.C-terminalCHEMFibroblast Growth Factor 23.C-terminal, BloodACnc

Frequently asked questions

Code details

Code47855-2

SystemLOINC

Display nameFibroblast growth factor 23.C-terminal Qn (P)

DescriptionFibroblast growth factor 23.C-terminal

Short nameFGF-23 c-term Plas-aCnc

ComponentFibroblast growth factor 23.C-terminal

PropertyACnc

TimingPt

System (specimen)Plas

ScaleQn

ClassCHEM

Example unitsarb U/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.21

Last changed2.70

Consumer names

Fibroblast Growth Factor 23.C-terminal, Blood

Part names

Fibroblast growth factor 23.C-terminalACncPtPlasQnArbitrary ConcentrationPoint in time (spot)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.