Summary:

Laboratories need a valid biological sex for the patient (which is most commonly determined based on anatomy and physiology or genetic [chromosome] analysis.) When appropriate, and as determined by the provider, this may be reported as an observation of the patient's birth sex, if different from the patient's "Administrative Gender". However, some states now allow state residents to change their birth sex on their birth certificate, thus "birth sex" may not be reliable for the lab to use as input to report laboratory result reference ranges. The provider may report Administrative Gender as "Other" and send the current clinically relevant sex as an observation. Suggest adding 'mapping' for LOINC code 76689-9 Sex assigned at birth (https://s.details.loinc.org/LOINC/76689-9.html?sections=Comprehensive) and 76691-5 Gender identity (https://s.details.loinc.org/LOINC/76691-5.html?sections=Comprehensive).