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 38499-0: Spermatozoa Progressive 4 Hr post ejaculation Ql (Sem)

Name: LOINC Code 38499-0: Spermatozoa Progressive 4 Hr post ejaculation Ql (Sem)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:26.144Z

38499-0 is a LOINC code used to identify Spermatozoa Progressive 4 Hr post ejaculation Ql (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 Spermatozoa.progressive^4H post ejaculation. 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 Spermatozoa.progressive^4H post ejaculation. 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

What it does not mean

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

Key facts

Spermatozoa Progressive [Presence] in Semen --4 hours post ejaculation
Spermatozoa.progressive^4H post ejaculation
Motility (the speed and quality of movement) is graded on a 1 to 4 ranking system. For fertility, motility should be greater than 2.
4h p ejac; After; Ejaculate; FERTILITY TESTING; Genitourinary; GU; Ordinal; p ejac; Point in time; PR; PST; QL; Qual; Qualitative; Random; Screen; Sem; Seminal fluid; Smn; SMPLS; Sperm; Sperm Prog; 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

Spermatozoa Progressive 4 Hr post ejaculation Ql (Sem)Spermatozoa Progressive [Presence] in Semen --4 hours post ejaculationSperm Prog 4h p ejac Smn QlSpermatozoa.progressive^4H post ejaculationFERTSpermatozoa progressive 4 hr after Ejaculation, SemenPrThr

Frequently asked questions

Code details

Code38499-0

SystemLOINC

Display nameSpermatozoa Progressive 4 Hr post ejaculation Ql (Sem)

DescriptionSpermatozoa.progressive^4H post ejaculation

Short nameSperm Prog 4h p ejac Smn Ql

ComponentSpermatozoa.progressive^4H post ejaculation

PropertyPrThr

TimingPt

System (specimen)Semen

ScaleOrd

ClassFERT

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.14

Last changed2.73

Consumer names

Spermatozoa progressive 4 hr after Ejaculation, Semen

Part names

Spermatozoa.progressive^4H post ejaculationPrThrPtSemenOrdPresence or ThresholdPoint 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.