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.

LOINCActiveBoth

LOINC Code 104621-8: High DNA stainability FC (Sem)

Name: LOINC Code 104621-8: High DNA stainability FC (Sem)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:19.128Z

104621-8 is a LOINC code used to identify High DNA stainability FC (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 High DNA stainability. 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 High DNA stainability. 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: Both
Method: Flow cytometry

What it does not mean

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

Key facts

High DNA stainability in Semen by Flow cytometry (FC)
High DNA stainability
High DNA stainability measures the amount of sperm in a semen sample having increased the amount of retained histones due to the lack of full protamination
Deoxyribonucleic acid; Dynamic; Ejaculate; FC; Molecular pathology; MOLPATH; Number Fraction; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; Sem; Seminal fluid; Smn; SMPLS

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

High DNA stainability FC (Sem)High DNA stainability in Semen by Flow cytometry (FC)High DNA stainability NFr Smn FCHigh DNA stainabilityMOLPATHHigh DNA stainability, SemenNFr

Frequently asked questions

Code details

Code104621-8

SystemLOINC

Display nameHigh DNA stainability FC (Sem)

DescriptionHigh DNA stainability

Short nameHigh DNA stainability NFr Smn FC

ComponentHigh DNA stainability

PropertyNFr

TimingPt

System (specimen)Semen

ScaleQn

MethodFlow cytometry

ClassMOLPATH

Example units%

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.78

Last changed2.78

Consumer names

High DNA stainability, Semen

Part names

High DNA stainabilityNFrPtSemenQnFlow cytometryNumber FractionPoint in time (spot)Flow cytometry (FC)

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.