LOINCActiveBoth

LOINC Code 68927-3: Cytokeratin 19 (Periton fld) [Mass/Vol]

68927-3 is a LOINC code used to identify Cytokeratin 19 (Periton 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 Periton 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 Periton 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 Peritoneal fluid
  • Cytokeratin 19
  • Ascites; Ascitic fluid; Ascitis; Autoimmune hepatitis; Chemistry; CK; CK 19; Cyfra 21-1; Keratin 19; Keratin, type I cytoskeletal 19; Level; Mass concentration; Peritoneal fluid; Point in time; Prt; 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 (Periton fld) [Mass/Vol]Cytokeratin 19 [Mass/volume] in Peritoneal fluidCK 19 Prt-mCncCytokeratin 19CHEMCytokeratin 19, Peritoneal fluidMCnc

Frequently asked questions

Code details

Code68927-3
SystemLOINC
Display nameCytokeratin 19 (Periton fld) [Mass/Vol]
DescriptionCytokeratin 19
Short nameCK 19 Prt-mCnc
ComponentCytokeratin 19
PropertyMCnc
TimingPt
System (specimen)Periton fld
ScaleQn
ClassCHEM
Example unitsng/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.38
Last changed2.70

Consumer names

Cytokeratin 19, Peritoneal fluid

Part names

Cytokeratin 19MCncPtPeriton fldQnMass ConcentrationPoint in time (spot)Peritoneal 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.