LOINCActive

LOINC Code 10157-6: History of family member diseases note

10157-6 is a LOINC code used to identify History of family member diseases note 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 History of family member diseases note. It is commonly used with the system or sample type ^Family member.

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 History of family member diseases note. It is commonly used with the system or sample type ^Family member.

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

  • History of family member diseases note
  • History of family member diseases is a report of health information, including medical, genetic, environmental, and lifestyle factors, pertaining to the patient and his or her genetic relatives (living or deceased). The family history information is used to determine possible or relevant health risk factors that may have a potential impact on the patient's healthcare risk profile.
  • Document; Encounter; Evaluation and management; Evaluation and management note; Fam Mem; Family member diseases Hx; H/O; H+P; H+P.HX; History; Hx; Hx of fam member ds note; notes; P prime; Point in time; Random; Visit note

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

History of family member diseases noteHx of fam member ds noteH&P.HXHxPt^Family memberDoc

Frequently asked questions

Code details

Code10157-6
SystemLOINC
Display nameHistory of family member diseases note
Short nameHx of fam member ds note
ComponentHistory of family member diseases note
PropertyHx
TimingPt
System (specimen)^Family member
ScaleDoc
ClassH&P.HX
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0i
Last changed2.81

Part names

History of family member diseases noteHxPt^Family memberDocHistoryPoint 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.