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.

LOINCActive

LOINC Code 55213-3: Number of male sexual partners in 6 months before symptom onset

Name: LOINC Code 55213-3: Number of male sexual partners in 6 months before symptom onset
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:37.143Z

55213-3 is a LOINC code used to identify Number of male sexual partners in 6 months before symptom onset 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 Number of male sexual partners in 6Mo before symptom onset. It is commonly used with the system or sample type ^Patient.

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 Number of male sexual partners in 6Mo before symptom onset. It is commonly used with the system or sample type ^Patient.

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

What it does not mean

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

Key facts

Number of male sexual partners in 6 months before symptom onset
Number of male sexual partners in 6Mo before symptom onset
In the 6 months before symptom onset how may male sex partners did the patient have?
# M Sex Prtnrs 6M Bfr Symp; Count/time; No; nRate; Num; Number rate; Number Rate = Count/Time; Point in time; Public Health; PUBLICHEALTH; QNT; Quan; Quant; Quantitative; Random; Sx

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

Number of male sexual partners in 6 months before symptom onset# M Sex Prtnrs 6M Bfr Symp nRateNumber of male sexual partners in 6Mo before symptom onsetPUBLICHEALTHNRatPt^Patient

Frequently asked questions

Code details

Code55213-3

SystemLOINC

Display nameNumber of male sexual partners in 6 months before symptom onset

DescriptionNumber of male sexual partners in 6Mo before symptom onset

Short name# M Sex Prtnrs 6M Bfr Symp nRate

ComponentNumber of male sexual partners in 6Mo before symptom onset

PropertyNRat

TimingPt

System (specimen)^Patient

ScaleQn

ClassPUBLICHEALTH

Example units#/6 mo

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.27

Last changed2.48

Part names

Number of male sexual partners in 6Mo before symptom onsetNRatPt^PatientQnNumber of male sexual partners in 6 months before symptom onsetNumber RatePoint 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.