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LOINC

LOINC Code 64736-2: For females - have you ever had sex with a woman involving genital area or vaginal contact. For males - have you ever had sex with a man involving genital area or penis contact [PhenX]

64736-2 is a LOINC code used to identify For females - have you ever had sex with a woman involving genital area or vaginal contact. For males - have you ever had sex with a man involving genital area or penis contact [PhenX] 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 For females - have you ever had sex with a woman involving genital area or vaginal contact. For males - have you ever had sex with a man involving genital area or penis contact. 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 For females - have you ever had sex with a woman involving genital area or vaginal contact. For males - have you ever had sex with a man involving genital area or penis contact. 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: TRIAL
  • Method: PhenX

What it does not mean

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

Key facts

  • For females - have you ever had sex with a woman involving genital area or vaginal contact. For males - have you ever had sex with a man involving genital area or penis contact [PhenX]
  • For females - have you ever had sex with a woman involving genital area or vaginal contact. For males - have you ever had sex with a man involving genital area or penis contact
  • Finding; Findings; Gender; Ordinal; Point in time; QL; Qual; Qualitative; Random; Same gender genital contact ever; Screen

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

For females - have you ever had sex with a woman involving genital area or vaginal contact. For males - have you ever had sex with a man involving genital area or penis contact [PhenX]Same gender genital contact ever PhenXFor females - have you ever had sex with a woman involving genital area or vaginal contact. For males - have you ever had sex with a man involving genital area or penis contactPHENXFindPt^Patient

Frequently asked questions

Code details

Code64736-2
SystemLOINC
Display nameFor females - have you ever had sex with a woman involving genital area or vaginal contact. For males - have you ever had sex with a man involving genital area or penis contact [PhenX]
DescriptionFor females - have you ever had sex with a woman involving genital area or vaginal contact. For males - have you ever had sex with a man involving genital area or penis contact
Short nameSame gender genital contact ever PhenX
ComponentFor females - have you ever had sex with a woman involving genital area or vaginal contact. For males - have you ever had sex with a man involving genital area or penis contact
PropertyFind
TimingPt
System (specimen)^Patient
ScaleOrd
MethodPhenX
ClassPHENX
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.65

Part names

For females - have you ever had sex with a woman involving genital area or vaginal contact. For males - have you ever had sex with a man involving genital area or penis contactFindPt^PatientOrdPhenXFindingPoint 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.