LOINCActiveBoth

LOINC Code 51623-7: Spermatozoa post vasectomy (Sem) [#/Vol]

51623-7 is a LOINC code used to identify Spermatozoa post vasectomy (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^post vasectomy. 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^post vasectomy. 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

What it does not mean

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

Key facts

  • Spermatozoa [#/volume] in Semen --post vasectomy
  • Spermatozoa^post vasectomy
  • #; ABS; absolute; absolutes; After; Cnt; Count; Count/volume; CT; Ejaculate; FERTILITY TESTING; Genitourinary; GU; Number concentration; Number Concentration (count/vol); p vas; Point in time; Post vas; PST; QNT; Quan; Quant; Quantitative; Random; Sem; Seminal fluid; Smn; SMPLS; Sperm; UniversalLabOrders; 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 post vasectomy (Sem) [#/Vol]Spermatozoa [#/volume] in Semen --post vasectomySperm p vas # SmnSpermatozoa^post vasectomyFERTSpermatozoa after Vasectomy, SemenNCnc

Frequently asked questions

Code details

Code51623-7
SystemLOINC
Display nameSpermatozoa post vasectomy (Sem) [#/Vol]
DescriptionSpermatozoa^post vasectomy
Short nameSperm p vas # Smn
ComponentSpermatozoa^post vasectomy
PropertyNCnc
TimingPt
System (specimen)Semen
ScaleQn
ClassFERT
Example units10*6/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.24
Last changed2.73

Consumer names

Spermatozoa after Vasectomy, Semen

Part names

Spermatozoa^post vasectomyNCncPtSemenQnNumber 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 51623-7 | HealthAssure