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 14383-4: Mononuclear cells/Leukocytes Manual cnt (Sem)

Name: LOINC Code 14383-4: Mononuclear cells/Leukocytes Manual cnt (Sem)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:25.109Z

14383-4 is a LOINC code used to identify Mononuclear cells/Leukocytes Manual cnt (Sem) 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 Semen.

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 Semen.

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: Manual count

What it does not mean

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

Key facts

Mononuclear cells/Leukocytes in Semen by Manual count
Mononuclear cells/Leukocytes
Cell; Cellularity; Ejaculate; Genitourinary; GU; HEMATOLOGY/CELL COUNTS; Leuc; Leuk; Leukocyte; Lkcs; Manl; Mononuc; Mononuc Cells; Number Fraction; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; Sem; Seminal fluid; Smn; SMPLS; URO; Urology; 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 Manual cnt (Sem)Mononuclear cells/Leukocytes in Semen by Manual countMononuc Cells NFr Smn ManualMononuclear cells/LeukocytesHEM/BCMononuclear cells/White Blood Cells, SemenNFr

Frequently asked questions

Code details

Code14383-4

SystemLOINC

Display nameMononuclear cells/Leukocytes Manual cnt (Sem)

DescriptionMononuclear cells/Leukocytes

Short nameMononuc Cells NFr Smn Manual

ComponentMononuclear cells/Leukocytes

PropertyNFr

TimingPt

System (specimen)Semen

ScaleQn

MethodManual count

ClassHEM/BC

Example units%

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0k

Last changed2.79

Consumer names

Mononuclear cells/White Blood Cells, Semen

Part names

Mononuclear cells/leukocytesNFrPtSemenQnManual countNumber FractionPoint in time (spot)

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.