LOINCActiveBoth

LOINC Code 111539-3: Hematocrit Calc [Volume fraction]

111539-3 is a LOINC code used to identify Hematocrit Calc [Volume fraction] 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 Hematocrit^^adjusted to ideal blood volume. 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 Hematocrit^^adjusted to ideal blood volume. 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

  • Hematocrit [Volume Fraction] adjusted to ideal blood volume by calculation
  • Hematocrit^^adjusted to ideal blood volume
  • adj; adj to ideal bv; Bld Vol; BV; Calc; Calculation; Hct; HEMATOLOGY/CELL COUNTS; PCV; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; Vol; Volfr; Volume fraction

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

Hematocrit Calc [Volume fraction]Hematocrit [Volume Fraction] adjusted to ideal blood volume by calculationHct adj to ideal bv VFr Patient CalcHematocrit^^adjusted to ideal blood volumeHEM/BCHematocritVFr

Frequently asked questions

Code details

Code111539-3
SystemLOINC
Display nameHematocrit Calc [Volume fraction]
DescriptionHematocrit^^adjusted to ideal blood volume
Short nameHct adj to ideal bv VFr Patient Calc
ComponentHematocrit^^adjusted to ideal blood volume
PropertyVFr
TimingPt
System (specimen)^Patient
ScaleQn
MethodCalculated
ClassHEM/BC
Example units%
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Hematocrit

Part names

Hematocrit^^adjusted to ideal blood volumeVFrPt^PatientQnCalculatedVolume FractionPoint 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.

LOINC Code 111539-3 | HealthAssure