LOINCActiveBoth

LOINC Code 48163-0: Cytokeratin 19 (Body fld) [Mass/Vol]

48163-0 is a LOINC code used to identify Cytokeratin 19 (Body fld) [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 Cytokeratin 19. It is commonly used with the system or sample type Body 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 Cytokeratin 19. It is commonly used with the system or sample type Body 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

  • Cytokeratin 19 [Mass/volume] in Body fluid
  • Cytokeratin 19
  • Autoimmune hepatitis; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; Chemistry; CK; CK 19; Cyfra 21-1; Fl; Fld; FLU; Fluid; Keratin 19; Keratin, type I cytoskeletal 19; Level; Mass concentration; 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.

Common synonyms

Cytokeratin 19 (Body fld) [Mass/Vol]Cytokeratin 19 [Mass/volume] in Body fluidCK 19 Fld-mCncCytokeratin 19CHEMCytokeratin 19, Body fluidMCnc

Frequently asked questions

Code details

Code48163-0
SystemLOINC
Display nameCytokeratin 19 (Body fld) [Mass/Vol]
DescriptionCytokeratin 19
Short nameCK 19 Fld-mCnc
ComponentCytokeratin 19
PropertyMCnc
TimingPt
System (specimen)Body fld
ScaleQn
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.21
Last changed2.34

Consumer names

Cytokeratin 19, Body fluid

Part names

Cytokeratin 19MCncPtBody fldQnMass ConcentrationPoint in time (spot)Body 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.