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 40470-7: Lymphocytes LM.HPF (Sem) [#/Area]

Name: LOINC Code 40470-7: Lymphocytes LM.HPF (Sem) [#/Area]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

40470-7 is a LOINC code used to identify Lymphocytes LM.HPF (Sem) [#/Area] 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 Lymphocytes. It is commonly used with the system or sample type Semen.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Lymphocytes. 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: Microscopy.light.HPF

What it does not mean

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

Key facts

Lymphocytes [#/area] in Semen by Microscopy high power field
Lymphocytes
#/area; Ejaculate; Genitourinary; GU; HEMATOLOGY/CELL COUNTS; LM; Lymp; Lymph; Lympho; Lymphocyte; Lymphs; Lymphs%; Micro; Micros; Microscopic; Number areic; Point in time; QNT; Quan; Quant; Quantitative; Random; Sem; Seminal fluid; Smn; SMPLS; URO; Urology

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Lymphocytes LM.HPF (Sem) [#/Area] (40470-7)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Lymphocytes LM.HPF (Sem) [#/Area]Lymphocytes [#/area] in Semen by Microscopy high power fieldLymphocytes #/area Smn HPFLymphocytesHEM/BCLymphocytes, SemenNaric

Frequently asked questions

Code details

Code40470-7

SystemLOINC

Display nameLymphocytes LM.HPF (Sem) [#/Area]

DescriptionLymphocytes

Short nameLymphocytes #/area Smn HPF

ComponentLymphocytes

PropertyNaric

TimingPt

System (specimen)Semen

ScaleQn

MethodMicroscopy.light.HPF

ClassHEM/BC

Example units/HPF

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.15

Last changed2.70

Consumer names

Lymphocytes, Semen

Part names

LymphocytesNaricPtSemenQnMicroscopy.light.HPFNumber Areic (per area)Point in time (spot)Microscopy high power field

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.