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.

LOINCActiveBoth

LOINC Code 111536-9: Blood volume standard error of regression Calc [Relative ratio]

Name: LOINC Code 111536-9: Blood volume standard error of regression Calc [Relative ratio]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:21.941Z

111536-9 is a LOINC code used to identify Blood volume standard error of regression Calc [Relative ratio] 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 Blood Volume.standard error of the regression/Blood Volume.calculated. 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 Blood Volume.standard error of the regression/Blood Volume.calculated. 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
Order vs observation: Both
Method: Calculated

What it does not mean

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

Key facts

Blood volume standard error of regression/Blood volume calculated by calculation
Blood Volume.standard error of the regression/Blood Volume.calculated
Bld Vol; Blood vol std error of regression; BV; BVC; Calc; Calculation; HEMATOLOGY/CELL COUNTS; Point in time; QNT; Quan; Quant; Quantitative; Random; Relative ratio; Vol

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

Blood volume standard error of regression Calc [Relative ratio]Blood volume standard error of regression/Blood volume calculated by calculationBlood vol std error of regression/BVC Patient CalcBlood Volume.standard error of the regression/Blood Volume.calculatedHEM/BCBlood volume standard error of regressionRelRto

Frequently asked questions

Code details

Code111536-9

SystemLOINC

Display nameBlood volume standard error of regression Calc [Relative ratio]

DescriptionBlood Volume.standard error of the regression/Blood Volume.calculated

Short nameBlood vol std error of regression/BVC Patient Calc

ComponentBlood Volume.standard error of the regression/Blood Volume.calculated

PropertyRelRto

TimingPt

System (specimen)^Patient

ScaleQn

MethodCalculated

ClassHEM/BC

Example units{ratio}

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.82

Last changed2.82

Consumer names

Blood volume standard error of regression

Part names

Blood Volume.standard error of the regression/Blood Volume.calculatedRelRtoPt^PatientQnCalculatedRelative RatioPoint 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.