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 71697-7: Mononuclear cells/Leukocytes Auto (Body fld)

Name: LOINC Code 71697-7: Mononuclear cells/Leukocytes Auto (Body fld)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:50.624Z

71697-7 is a LOINC code used to identify Mononuclear cells/Leukocytes Auto (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 Mononuclear cells/Leukocytes. 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 Mononuclear cells/Leukocytes. 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
Method: Automated count

What it does not mean

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

Key facts

Mononuclear cells/Leukocytes in Body fluid by Automated count
Mononuclear cells/Leukocytes
Auto; Automated detection; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; Cell; Cellularity; Elec; Elect; Electr; Fl; Fld; FLU; Fluid; HEMATOLOGY/CELL COUNTS; Leuc; Leuk; Leukocyte; Lkcs; Mononuc; Mononuc Cells; Number Fraction; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; WBC; WBCs; White blood cell; White blood cells

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

Mononuclear cells/Leukocytes Auto (Body fld)Mononuclear cells/Leukocytes in Body fluid by Automated countMononuc Cells NFr Fld AutoMononuclear cells/LeukocytesHEM/BCMononuclear cells/White Blood Cells, Body fluidNFr

Frequently asked questions

Code details

Code71697-7

SystemLOINC

Display nameMononuclear cells/Leukocytes Auto (Body fld)

DescriptionMononuclear cells/Leukocytes

Short nameMononuc Cells NFr Fld Auto

ComponentMononuclear cells/Leukocytes

PropertyNFr

TimingPt

System (specimen)Body fld

ScaleQn

MethodAutomated count

ClassHEM/BC

Example units%

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.40

Last changed2.79

Consumer names

Mononuclear cells/White Blood Cells, Body fluid

Part names

Mononuclear cells/leukocytesNFrPtBody fldQnAutomated countNumber FractionPoint 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.