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.

LOINCActiveObservation

LOINC Code 35651-9: Synovial lining cells/Cells (Syn fld)

Name: LOINC Code 35651-9: Synovial lining cells/Cells (Syn fld)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:23.498Z

35651-9 is a LOINC code used to identify Synovial lining cells/Cells (Syn 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 lining cells/Cells. It is commonly used with the system or sample type Synv 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 lining cells/Cells. It is commonly used with the system or sample type Synv 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 lining cells/cells in Synovial fluid
Synovial lining cells/Cells
Cell; Cellularity; HEMATOLOGY/CELL COUNTS; Joint aspirate; Joint fld; Joint flu; Joint fluid; Joint space; Number fraction; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; SF; SNV; Syn; Syn fl; Synov; Synovial fluid; Synoviocytes

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 lining cells/Cells (Syn fld)Synovial lining cells/cells in Synovial fluidSynoviocytes NFr SnvSynovial lining cells/CellsHEM/BCSynovial lining cells/cells, Synovial fluidNFr

Frequently asked questions

Code details

Code35651-9

SystemLOINC

Display nameSynovial lining cells/Cells (Syn fld)

DescriptionSynovial lining cells/Cells

Short nameSynoviocytes NFr Snv

ComponentSynovial lining cells/Cells

PropertyNFr

TimingPt

System (specimen)Synv fld

ScaleQn

ClassHEM/BC

Example units%

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.13

Last changed2.79

Consumer names

Synovial lining cells/cells, Synovial fluid

Part names

Synovial lining cells/CellsNFrPtSynv fldQnNumber FractionPoint in time (spot)Synovial 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.