LOINCActiveObservation

LOINC Code 13357-9: Synovial cells Qn (Body fld)

13357-9 is a LOINC code used to identify Synovial cells Qn (Body fld) 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 Synovial cells. It is commonly used with the system or sample type Body fld.

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 Synovial cells. 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: Observation

What it does not mean

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

Key facts

  • Synovial cells [Units/volume] in Body fluid
  • Synovial cells
  • Arbitrary concentration; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; Cell; Cellularity; Fl; Fld; FLU; Fluid; HEMATOLOGY/CELL COUNTS; 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

Synovial cells Qn (Body fld)Synovial cells [Units/volume] in Body fluidSynovial Cells Fld-aCncSynovial cellsHEM/BCSynovial cells, Body fluidACnc

Frequently asked questions

Code details

Code13357-9
SystemLOINC
Display nameSynovial cells Qn (Body fld)
DescriptionSynovial cells
Short nameSynovial Cells Fld-aCnc
ComponentSynovial cells
PropertyACnc
TimingPt
System (specimen)Body fld
ScaleQn
ClassHEM/BC
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.73

Consumer names

Synovial cells, Body fluid

Part names

Synovial cellsACncPtBody fldQnArbitrary 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.