LOINCActiveObservation

LOINC Code 34657-7: Spermatozoa Immotile (Sem) [#/Vol]

34657-7 is a LOINC code used to identify Spermatozoa Immotile (Sem) [#/Vol] 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.immotile. 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.immotile. 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 Immotile [#/volume] in Semen
  • Spermatozoa.immotile
  • #; ABS; absolute; absolutes; Cnt; Count; Count/volume; CT; Ejaculate; FERTILITY TESTING; Genitourinary; GU; immobile; nonmotile; Number concentration; Number Concentration (count/vol); Point in time; QNT; Quan; Quant; Quantitative; Random; Sem; Seminal fluid; Smn; SMPLS; Sperm; Sperm Immotile; Spermatozoa.non-motile; 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 Immotile (Sem) [#/Vol]Spermatozoa Immotile [#/volume] in SemenSperm Immotile # SmnSpermatozoa.immotileFERTSpermatozoa immotile, SemenNCnc

Frequently asked questions

Code details

Code34657-7
SystemLOINC
Display nameSpermatozoa Immotile (Sem) [#/Vol]
DescriptionSpermatozoa.immotile
Short nameSperm Immotile # Smn
ComponentSpermatozoa.immotile
PropertyNCnc
TimingPt
System (specimen)Semen
ScaleQn
ClassFERT
Example units10*6/mL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.11
Last changed2.73

Consumer names

Spermatozoa immotile, Semen

Part names

Spermatozoa.immotileNCncPtSemenQnSpermatozoa ImmotileNumber ConcentrationPoint 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.

LOINC Code 34657-7 | HealthAssure