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 49305-6: Cervical Mucus Penetration Test Nar (Sem) [Interp]

Name: LOINC Code 49305-6: Cervical Mucus Penetration Test Nar (Sem) [Interp]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:33.939Z

49305-6 is a LOINC code used to identify Cervical Mucus Penetration Test Nar (Sem) [Interp] 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 evaluation.cervical mucus penetration test. 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 evaluation.cervical mucus penetration test. 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

Cervical Mucus Penetration Test [Interpretation] in Semen Narrative
Spermatozoa evaluation.cervical mucus penetration test
Assessment; Cerv; CMSPT; Cvx Mucus; Ejaculate; Eval; FERTILITY TESTING; Genitourinary; GU; H&P; History and physical; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Mucous; Mucous Threads; Narrative; Point in time; Post coital test; Random; Report; Sem; Seminal fluid; Smn; SMPLS; Sperm; 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

Cervical Mucus Penetration Test Nar (Sem) [Interp]Cervical Mucus Penetration Test [Interpretation] in Semen NarrativeCMSPT Smn-ImpSpermatozoa evaluation.cervical mucus penetration testFERTInterpretation of Cervical Mucus Penetration Test Result, SemenImp

Frequently asked questions

Code details

Code49305-6

SystemLOINC

Display nameCervical Mucus Penetration Test Nar (Sem) [Interp]

DescriptionSpermatozoa evaluation.cervical mucus penetration test

Short nameCMSPT Smn-Imp

ComponentSpermatozoa evaluation.cervical mucus penetration test

PropertyImp

TimingPt

System (specimen)Semen

ScaleNar

ClassFERT

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.21

Last changed2.21

Consumer names

Interpretation of Cervical Mucus Penetration Test Result, Semen

Part names

Spermatozoa evaluation.cervical mucus penetration testImpPtSemenNarCervical Mucus Penetration TestImpression/interpretation of studyPoint 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.