LOINCActiveObservation

LOINC Code 50788-9: Cytokeratin cells/Cells (Bld)

50788-9 is a LOINC code used to identify Cytokeratin cells/Cells (Bld) 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 cells/Cells. It is commonly used with the system or sample type Bld.

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 Cytokeratin cells/Cells. It is commonly used with the system or sample type Bld.

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

  • Cytokeratin cells/cells in Blood
  • Cytokeratin cells/Cells
  • Autoimmune hepatitis; Blood; Cell; Cellularity; CK; HEMATOLOGY/CELL COUNTS; Number Fraction; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; WB; Whole blood

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 cells/Cells (Bld)Cytokeratin cells/cells in BloodCytokeratin cells NFr BldCytokeratin cells/CellsHEM/BCCytokeratin cells/cells, BloodNFr

Frequently asked questions

Code details

Code50788-9
SystemLOINC
Display nameCytokeratin cells/Cells (Bld)
DescriptionCytokeratin cells/Cells
Short nameCytokeratin cells NFr Bld
ComponentCytokeratin cells/Cells
PropertyNFr
TimingPt
System (specimen)Bld
ScaleQn
ClassHEM/BC
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.79

Consumer names

Cytokeratin cells/cells, Blood

Part names

Cytokeratin cells/CellsNFrPtBldQnNumber FractionPoint in time (spot)Blood

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 50788-9 | HealthAssure