LOINCActiveObservation

LOINC Code 43285-6: Spermatozoa IgM/Spermatozoa (S)

43285-6 is a LOINC code used to identify Spermatozoa IgM/Spermatozoa (S) 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 Ab.IgM/Spermatozoa. It is commonly used with the system or sample type Ser.

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 Ab.IgM/Spermatozoa. It is commonly used with the system or sample type Ser.

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 IgM Ab/Spermatozoa in Serum
  • Spermatozoa Ab.IgM/Spermatozoa
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; FERTILITY TESTING; Genitourinary; GU; Immune globulin M; Immunoglobulin M; Number fraction; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; Sperm; SR; 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 IgM/Spermatozoa (S)Spermatozoa IgM Ab/Spermatozoa in SerumSperm IgM NFr SerSpermatozoa Ab.IgM/SpermatozoaFERTSpermatozoa/Spermatozoa, BloodNFr

Frequently asked questions

Code details

Code43285-6
SystemLOINC
Display nameSpermatozoa IgM/Spermatozoa (S)
DescriptionSpermatozoa Ab.IgM/Spermatozoa
Short nameSperm IgM NFr Ser
ComponentSpermatozoa Ab.IgM/Spermatozoa
PropertyNFr
TimingPt
System (specimen)Ser
ScaleQn
ClassFERT
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.79

Consumer names

Spermatozoa/Spermatozoa, Blood

Part names

Spermatozoa Ab.IgM/SpermatozoaNFrPtSerQnNumber FractionPoint in time (spot)Serum

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 43285-6 | HealthAssure