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 74691-7: Round cells LM.HPF (Sem) [#/Area]

Name: LOINC Code 74691-7: Round cells LM.HPF (Sem) [#/Area]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:53.977Z

74691-7 is a LOINC code used to identify Round cells 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 Round Cells. 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 Round Cells. 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

Round cells [#/area] in Semen by Microscopy high power field
Round Cells
#/area; Cell; Cellularity; Ejaculate; FERTILITY TESTING; Genitourinary; GU; LM; Micro; Micros; Microscopic; Number areic; Point in time; QNT; Quan; Quant; Quantitative; Random; Rnd Cells; 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.

Common synonyms

Round cells LM.HPF (Sem) [#/Area]Round cells [#/area] in Semen by Microscopy high power fieldRnd Cells #/area Smn HPFRound CellsFERTRound cells, SemenNaric

Frequently asked questions

Code details

Code74691-7

SystemLOINC

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

DescriptionRound Cells

Short nameRnd Cells #/area Smn HPF

ComponentRound Cells

PropertyNaric

TimingPt

System (specimen)Semen

ScaleQn

MethodMicroscopy.light.HPF

ClassFERT

Example units/HPF

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.48

Last changed2.48

Consumer names

Round cells, Semen

Part names

Round cellsNaricPtSemenQnMicroscopy.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.