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 63783-5: How old is this brother or sister now or how old was brother or sister when he or she died [CBCS]

Name: LOINC Code 63783-5: How old is this brother or sister now or how old was brother or sister when he or she died [CBCS]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:43.946Z

63783-5 is a LOINC code used to identify How old is this brother or sister now or how old was brother or sister when he or she died [CBCS] 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 How old is this brother or sister now or how old was brother or sister when he or she died. 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 How old is this brother or sister now or how old was brother or sister when he or she died. 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
Method: Carolina Breast Cancer Study

What it does not mean

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

Key facts

How old is this brother or sister now or how old was brother or sister when he or she died [CBCS]
How old is this brother or sister now or how old was brother or sister when he or she died
CBCS; PhenX; Point in time; QNT; Quan; Quant; Quantitative; Random; Sibling age

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

How old is this brother or sister now or how old was brother or sister when he or she died [CBCS]Sibling age CBCSHow old is this brother or sister now or how old was brother or sister when he or she diedPHENXTimePt^Patient

Frequently asked questions

Code details

Code63783-5

SystemLOINC

Display nameHow old is this brother or sister now or how old was brother or sister when he or she died [CBCS]

DescriptionHow old is this brother or sister now or how old was brother or sister when he or she died

Short nameSibling age CBCS

ComponentHow old is this brother or sister now or how old was brother or sister when he or she died

PropertyTime

TimingPt

System (specimen)^Patient

ScaleQn

MethodCarolina Breast Cancer Study

ClassPHENX

Example unitsyears

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.36

Last changed2.65

Part names

How old is this brother or sister now or how old was brother or sister when he or she diedTimePt^PatientQnCarolina Breast Cancer StudyTime (e.g. seconds)Point in time (spot)CBCS

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.